Best Cam For Lq9 With 317 Heads

Olive Branch, MS. Like it's predecessor, the LQ9 is a highly valued engine for budget rebuilds of stock engines that can be pushed to a higher horsepower level. The aluminum head LQ4/LQ9 had a 196/207 cam like the F body cars. One big difference in between the 1999/2000 trucks versus 2001 and after is the cam. Although the LQ9 is the HO (High Output) 6. Supposedly these #317 heads are very much like the LS6 heads. 3 L engines. The earlier LQ4's had a press fit wrist pin. 0 lq9 iron block 317 heads ported intake egr delete texas speed racing cam 600/600 228/22/r 112lsa upgraded push rods 7. 7 cu in) pushrod engine and was rated between 305 - 350 hp (227 to 261 kW) and 335-375 ft·lbf (454-508 N·m) of torque in North America, depending on the application. I'm doing the same with my 6. what other mods do you plan on doing to bettre the cam? as for the trans you might consider the basic upgrades to help surive, shift kit, servos, bigger cooler, stall converter. Drives great at 75 mph. Remanufactured Gm Chevy 5. 0L The camshaft is the same in the LQ4 and LQ9. All AN fittings. But, from browsing around forums and asking some engine builders, it seems like bolting LS3 heads onto an LS2 will gain you about 20whp+. Here's the final mod list with prices: Used 6. Ultimate LS Rectangular Port Cylinder Heads Guide September 21, 2015 by LS Engine DiY Rectangular port heads boast a clear advantage in the flow department and are ideal for high-RPM, big-cubic-inch, and purpose-built drag racing applications. 0L) By bolting LS6-style heads to a big-bore iron block, GM created the LQ4. The LQ4 will have 317 heads which are low compression. The L92 are OEM in the 07+ escalades and are one of the best buys The LY6 is the 07+ are 6. The LQ9 is 100% compatible with the LS1 and LS6 as far as parts go (intake, heads, headers, cam, crank, etc. LSX Performance Parts. 1 and Exhibit 99. LS Engine Head Swap Guide---What Fits? If this is your first visit, be sure to check out the FAQ by clicking the link above. The LQ4 is rated at 325 HP and 365-370 FtLbs, I have read it's more like 335 HP and 370 FtLbs, but GM under rates them. The first Gen IV version of the 6. Billet aluminum intake manifold for LS1, LS3, and LS7. 0L $300-* LQ9 Camshaft $50 Bump ur 4. Total Engine Airflow specializes in CNC-PORTED aluminum cylinder heads, custom cylinder head assemblies, and support components for GM, Ford, Mopar for street/strip, competition, and racing applications. I have formatted each cylinder heads information into individual files for use with different versions of DeskTop Dyno, DynoSim, Comp Cams CamQuest program, Dynomation Versions 4 and 5 and Performance Trends Engine Analyzer. All AN fittings. Like it’s predecessor, the LQ9 is a highly valued engine for budget rebuilds of stock engines that can be pushed to a higher horsepower level. With welding the combustion chambers you may run into shrouding the valves. The LS1 shares little other than similar displacement, external dimensions, and rod bearings, with its predecessor. If you have any questions please feel free to call or text me. GM 317 heads Condition is. LQ4 and LQ9 are both good, just different compression, they even use the same 317 head's, LQ4 is 9. Though the runners are identical to those on the LS6, its combustion chambers are larger, just like the LQ4. I have used a few junkyard motors both carbed and EFI, mostly stock or very mild cams. Conclusions. 50's or so on motor. The 799 heads are basically 243. About the same compression ration but more efficient quench. At a mere 15 cc over stock volume this particular port sees gains of over 40 cfm on the intake utilizing a factory GM 2. The LS7 heads however, feature CNC-machined chambers, intake ports and exhaust ports. We need to know more info on your combo to steer you in the right direction. 0 lq9 iron block 317 heads ported intake egr delete texas speed racing cam 600/600 228/22/r 112lsa upgraded push rods 7. Cam - custom spec by Patrick G - a "baby" cam by his words. Best year for lq4 swap. But, from browsing around forums and asking some engine builders, it seems like bolting LS3 heads onto an LS2 will gain you about 20whp+. That changed in 2001 when GM threw in the bigger cam and aluminum heads designed for the LQ9. The information set forth in this Item 7. I have the heads marked 317 which I believe is desirable with thier compression rates or whatever , At 160xxx+ miles my motor is very clean , very minimal sludge and grime anywhere lucked out on a highway mile driven truck so might as well start adding to it. 243 is the 317 head with a smaller combustion chamber. Not only did the factory succeed with that motor, but the LS9 cam profile has become a go-to cam for many home-made supercharged LS combinations. I will be using an LS6 intake manifold as well. The LQ9 featured a bigger cam and higher compression flat top pistons for an extra 10 horses and 10 lb-ft output over the LQ4. 0 aluminum center bolt heads Even more detailed info: Casting Numbers 241, 806, 853 Head: 1997+ LS1 5. Cam upgrade on LQ9 with 317 heads I have a 2005 Caddy Escalade LQ9 sitting in my garage waiting to go in my 87 K5. The GM 317 heads received a full port and polish, only to be filled with air by a much larger ProCharger D-1 huffer. LQ9 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More Posted by OnAllCylinders Staff on February 2, 2018 at 9:52 am This LQ9 was swapped into a 1966 Buick Gran Sport and outfitted with twin turbos. I build them pretty much trhe same way, I have maybe 4 of going at anytime. Find great deals on eBay for lq4 heads and 317 heads. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. 0L is about the same cost as a low mileage LQ4 or LQ9 + heads. gear a of now is 411's can change not made up my mind on trans. It is way too small for an LQ4 IMO. Considering the ls2 cam made over 400 flywheel without a clean run on a 100% bone stock lm7 junk yard engine, placed on an extra 40cid, breathers, and the better flown 317 heads should make 400whp. I am a little concerned about ptv clearance since I have heard that this could be an issue with the MS4 cam. Replacing the old tried and true small block Chevy engine with a new version would not be an easy task. I am looking for something like the tr220 is for the. *GM 317 Cylinder Heads (2) good condition Come out of a 2006 Cadillac Escalade LQ9 v8 6. 2 L (3,195 cc) version of the High Feature engine in Australia produced between 2005 and 2010 with a bore and stroke of 89 mm × 85. One of the distinguishing features was the increased compression ratio for the LQ9, enabled by a different piston design. The remaining pieces were an LS2 throttle body ($140) and a car oil pan ($105). I'm gonna go with the ngks I like to keep my maintance up on my cars and use the best stuff but with a baby on the way I doubt I will have my car for longer then a year. Chances are it will be accurate but you wont really know until you get in there and measure. Let the professionals at Callies pair your crankshaft with all the proper bottom end components. Not only did the factory succeed with that motor, but the LS9 cam profile has become a go-to cam for many home-made supercharged LS combinations. The LQ9 featured a bigger cam and higher compression flat top pistons for an extra 10 horses and 10 lb-ft output over the LQ4. The valves are only open for a short time you need to fill the cylinders quickly. The earlier models did have cast iron heads, but all of the later stuff came with good aluminum heads. You see, rather than spend big money to go out and build an engine, you can pull a complete running one. FiTech LS Truck Loaded Intake Manifold Kit 70076 Kit Includes: FiTech LS Truck Aluminum fabricated intake with 1500-6500 rpm power-band, 3mm construction tig welded, black anodized with embossed Fitech logo. I recently purchased an LQ9 with 317 heads. Planned upgrade: 5pm Friday 30 August - 10am Tuesday 3 September 2019 AEST. 4:1 Dave - I am not worried about the engine holding the power there are plenty out there making this kind of power so long as you keep the rpms down. Nasty Performance valve covers will fit LS1-LS2-LS3-LS6-LS7-L76-L92-LQ4-LQ9 and most all other factory and aftermarket. The build quality is nice and the welds are clean. Remanufactured Gm Chevy 5. ProMaxx™ CNC Ported GM LQ9 Cathedral Port Heads Custom 5 axis CNC machining make these heads a must have for any performance oriented GM LS series engine. For our test, we were only interested in the 6. One big difference in between the 1999/2000 trucks versus 2001 and after is the cam. 0-liter truck engines, such as the Cadillac Escalade, received this variation on the LS6 head. I am unable to find definitive flow numbers for both heads. 2013 Camaro SS LS9 cam swap pt3 Rolling with tuner Joe and hitting the dyno - Duration: 7:53. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. 0 lq9 bored to 6. 610 w\ full cam kit, Edelbrock Vic Jr manifold with custom elbow, 48lb injectors, Custom CAI with raim air scoop,Kooks 1 7/8 longtubes catless with custom H-pipe and 18inch, sweet thunder muffs in 04 location. Should be great for forced induction. 0 blocks was the short block. What would be the best choice of heads on a LS2 with a tvs2300 at around 6-8(right now but increasing soon) lbs of boost. Click on Calculate Displacement. This is a discussion on 6. You'd need a big cam, some real head work, 1 7/8" headers to make a "hp" goal like that. But it also took some serious fab work to get there. 588 121 Lsa | 12638426. Fully balanced and ready to assemble rotating assemblies from Callies not only save you time and money, they provide the peace of mind that your components are matched for compatibility, giving you a trouble free project. Best time of 10. Ultimate LS Rectangular Port Cylinder Heads Guide September 21, 2015 by LS Engine DiY Rectangular port heads boast a clear advantage in the flow department and are ideal for high-RPM, big-cubic-inch, and purpose-built drag racing applications. 0L the high compression iron block AKA LQ9 came off a Silverado SS. Designed as a truck engine (Chev Silverado, etc. Good luck with the build. Enter the measurement designation in either inches, 1, or millimeters, 2. I've found the right balance of power and tune with only 1 4L60E and I put it together myself and didn't have a clue what I was doing. Lq9 heads drop the compression too far on a 5. I say get a cam/springs/pushrod package and a good converter for it and go have fun. I would leave the truck heads on the truck and get 243 heads for the GTO. 02 and up LQ4 has aluminum 317 heads, normal crank (will fit more than just the 4l80e), and slightly larger cam. 0 on a dyno We also found out that stock 317 /243 heads run out of air before most think they do. so now its going in my mustang. Op, find a performance oriented shop and have them do a full delete. Rebuilt lq9 bored to 6. gear a of now is 411's can change not made up my mind on trans. I plan on doing the swap sometime this summer. On The Dyno: Stock 6. You see, rather than spend big money to go out and build an engine, you can pull a complete running one. the TR220 cam works great in the 5. Ported 317 heads, yellow gmpp springs, comp cams pushrods ls6 intake on my lq9 with 317 heads help. 88 valves Set-up for solid roller camshaft. I have alot of stock parts from my V sitting in the garage and trying to figure out a budget way to combine the two. The new small block is known as the LS engine family and has more than successfully replaced 350's and 305's that were based in design from the 1950's. Spend your money on good turbo parts and electronics the 317's won't let you down. 3241) would make the difference on clearing anything in the block, but I guess I don't know how tight. LQ4 and LQ9 are both good, just different compression, they even use the same 317 head's, LQ4 is 9. The LQ4 piston is dished where as the LQ9 is a flat-top increasing compression to 10:1, and HP to 345 factory. The throttle body specs are almost identical to fast 102mm at half the price. An aluminum head casting – distinguished by Chevy Bowtie logos at each end – and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm. 2-liter truck engines with the L92 head, but used castings are not uncommon or unreasonably expensive. CNC-Motorsports offers an endless variety of LS3 L92 stroker kits. We need to know more info on your combo to steer you in the right direction. Follow along on the build in issue 1 of Truckin Magazine. 1 (340 HP) - $1800-$2500 for a Drop Out Package. Like it’s predecessor, the LQ9 is a highly valued engine for budget rebuilds of stock engines that can be pushed to a higher horsepower level. The way I understand it is that the 317, 241, and the 243 all have the same valve size and port design but different combustion chamber. got to play with a 6. Get the best deal for Parts for 1978 Chevrolet C10 from the largest online selection at eBay. Find great deals on eBay for lq4 heads and 317 heads. 0L motor with soon new Patriot 243 heads and a mag 112 supercharger on it. My cousin had an LQ4 with patriot ported 243 heads and an MS3 and it drove great behind a T56 with stock 3. 3L LM7 and 4. Dart 225 heads fully worked by PMFL, FTI StreetSweeper cam 236/240. 75 inches in our 6. 2 lsx rebuilt with cam (Richland Hills) $5500. discount is automatically taken when order is received! our cams are always made from 5150 or 8620 american steel core / hardened in the usa! rifle drilled cnc machined for absolute perfection. SCS cheetah shifter. They arent to shabby to work with, and make good power with mild cams. The LQ4 and LQ9 are Gen. I wouldnt sweat the differences tho, try to find a later model one as they will have the better heads and stronger rods anyway. everything else is the same on VVT motors except the cam heads and computer. 0L is about the same cost as a low mileage LQ4 or LQ9 + heads. Used (normal wear), Pair of LS3 heads 6. The LQ4 will have 317 heads which are low compression. 0L heads are based on the LS6 243 and flow pretty good. Full text of "Chevy High Performance May 2016" See other formats. 0-liter cylinder heads (casting number 317), stuffed with PAC 1218 valve springs, and a GM ZR1 camshaft to finish the top end off. My local shop said to just sell them for scrap. In order to extract some extra power, we are going to swap the heads and put in a more aggressive cam. Re: more HP from LQ4. Turns out he needs a new rotating assembly. 57 stainless steel valves. So I found a set of LQ9 6. I plan on doing the swap sometime this summer. I'm gonna go with the ngks I like to keep my maintance up on my cars and use the best stuff but with a baby on the way I doubt I will have my car for longer then a year. Finding out that they are identical to ls6 corvette heads (same castings) was pretty interesting. As for 07+ motor swaps, they may be less common, but are becoming a lot more affordable. To no one’s surprise, the LS3 heads are better than the LS2 heads. I am looking for something like the tr220 is for the. Is this possible with a cam only lq4 with or with out the l92 heads I. Most others have 317 casting heads which are cathedral ports but work well. 3l but it will increase CR as well. Beautiful 1972 GMC longbed truck. gear a of now is 411's can change not made up my mind on trans. 2013 Camaro SS LS9 cam swap pt3 Rolling with tuner Joe and hitting the dyno - Duration: 7:53. 0L $300-* LQ9 Camshaft $50 Bump ur 4. 0 LQ4 with cam and bolt-ons went 11. I would go with a lq9 and put good bolts in it with a nice set of pistons an do some head work and maybe a cam depending on what Ur power plans are. 0L, iron block, truck engines. And I'd like to keep the 317 heads since I've got them and already free flowing. Best bet would be to email BTR and ask what they recommend for your car, and verify that if they don't end up being the right ones that you can exchange them for the correct size. Results in the video. Anyways looking for the best cam intake and headers that you offer. BPLS4080C - BluePrint Engines 408CI Stroker Crate Engine, GM LS Style, Longblock, Aluminum Heads, Roller Cam This product may require vehicle validation(s) for proper fitment. Stock LS1 Heads. The ONLY difference between an LQ4 and LQ9 is the piston!. We have some of the lowest prices on Chevrolet Performance Parts, Chevrolet Performance Engines, and Chevrolet Performance Transmissions. This Trick Flow cam can be driven daily, handles idling moderately well with A/C, electric fans, etc. 0 aluminum center bolt heads 035 01 - 04 LQ9 6. The OP is asking about LQ4/LQ9 motors, so best to know all the options and what to avoid, IMO. I just picked up a lq9 out of a 03 denali and wanted to stick into my work truck that has a 4. IMO, If you are willing to pay the premium for an LQ9 it is cheaper to start with an LQ4 and do either the Z06 Cam Package (375HP & $700) or the SS Cam Package (425HP & $1000). I'm running a 6. I had that Gen4 intake and decided to purchase the $250 X-Link adapter (only way it works - re-pinning does not work) to use the Gen4 90mm DBW TB with the Gen3 ECM. My local shop said to just sell them for scrap. Alright guys here it is. The throttle body specs are almost identical to fast 102mm at half the price. Im guessing you will be just fine though if your running the zo6 cam. Clean ls2 swap with many upgrades that includes gm 6. Engine is 6. 0L iron-block engines out there, the LQ9 (345 hp) and the LQ4 (300-325 hp). The big-boy award went to the 317 (6. 8 with 862 heads and/or 317 heads? Yes, this part performs exceptionally well with a boosted 4. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions. LSX Performance Parts. One big difference in between the 1999/2000 trucks versus 2001 and after is the cam. The remaining pieces were an LS2 throttle body ($140) and a car oil pan ($105). For the price its hard to beat. 's parts are designed, intended, advertised and sold exclusively for installation on vehicles in compliance with state and federal law. Full text of "Catalogue of the Birds in the British Museum" See other formats. My own Crane cam that I just put into the LQ9 (same as LS2 except iron block and 10. We offer a broad range of production and racing-style camshafts that are factory-engineered to deliver maximum performance when paired with our high-flow cylinder heads. Application Information. FAST 102 truck Intake with a matching throttle. LS7 Short Block 427ci - Can be set up with wet or dry sump oil system, and can produce 700 HP with the right heads and cam combo. The throttle body specs are almost identical to fast 102mm at half the price. There were two version of this engine: the LQ4 and the LQ9, the latter being more performance oriented. (You may need to lower the compression to run with boost. I drove it for a year or so before my most recent build up with:. September 28, 2015 The late model LS engine family has been around now for almost 19 years and has replaced the old first gen small block and big block as the engine of choice when doing a engine swap. The LQ4 and LQ9 versions of the 6. Our combinations are proven. The lift and rpm potential of the cam. i have just bolted my lq9 in today! it is a stock bottom end with a howards cam and valve springs, ported stock heads and a base tune in the computer, havn't had it on the dyno but it is almost identical to one we had a few months ago for a customer and that dyno'd at 445hp, i am using smaller and shorter headers though so it will bring it down a little from that, but if you run one you will. The stock heads and oil pan have never been off. Get the best deal for Parts for 1978 Chevrolet C10 from the largest online selection at eBay. The LQ9 featured a bigger cam and higher compression flat top pistons for an extra 10 horses and 10 lb-ft output over the LQ4. I'm wanting to see what your guys rs experiences are with cams for good torque and just a little more horse power then factory. 0L is about the same cost as a low mileage LQ4 or LQ9 + heads. Chokelss 800CFM Holley carb Custom steel oil pan made from a pan rail purchased from Canton. The reason there are minimal gains in porting an LS3 head is that from the factory LS3 heads flow right at 320 CFM. Changing pistons and/or cylinder heads will allow you to change the compression ratio. Login with Facebook. For the smaller displacement engines like the 5. Silverado SS. I need to know which ls 6. One of the biggest questions I have is what heads to use with a forged bottom end and a Brute Speed Cam the will compliment a Magnacharger the best? I have read so many post about the stock heads and Maggie being a ineffecient combo because of the higher CR. Cam recommendations for 317 heads Results 1 to 9 of 9 This is a discussion on Cam recommendations for 317 heads within the Internal Engine forums, part of the LSx Technical Help Section category; hey guys, I am starting to research my cams. From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride!. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions. The LQ4 and LQ9 have very strong blocks. Treated to their Stage 2 porting, peak flow numbers for the 317 heads increased by more than 70 cfm, with substantial gains through the entire lift range. 3 325 Short Block 2007-2009 Aluminum Block With Afm. For the price its hard to beat. Would like to be able to run 6. Aluminum For Sale. Cam specs? Are they porting the 317 heads, or swapping you over the L92 heads with the intake to match? Thats the best bang for the buck - Stock L92 heads, and Gen IV intake / TB from a 07. These assembled heads use premium machining and materials, including CNC finishing and porting, along with lightweight, hollow-stem intake valves and sodium-filled exhaust valves to provide your engine with the power increase you have been searching for! Features; Manufactured from 319-T5 aluminum alloy ; 2. Harry Bronson 59,520 views. 0 - they have the flat top pistons for higher compression swap out the 317 heads for a set of 243 heads and have them mildly hand ported. best top coil heads organic cotton ideas and get free shipping. All engines have had oil pressure tests (hot and cold) and checked for overheating. Should be great for forced induction. All Listings. 5 9" ladder bar. 1 flat tops and beefier rods. September 28, 2015 The late model LS engine family has been around now for almost 19 years and has replaced the old first gen small block and big block as the engine of choice when doing a engine swap. When we decided to sell After-market Performance cylinder head the decision was easy! When performance counts, Patriot Performance Stage II/III CNC-ported cylinder heads for the LS1 / LS6 / LS2 series engines. Most others have 317 casting heads which are cathedral ports but work well. 89 @ 126 GTO from a roll. The cast iron head LQ4s had a reverse split 191/190 cam like the 4. 0L $300-* LQ9 Camshaft $50 Bump ur 4. The difference would be about 50 cfm on average from one to the other in there best porting. 9 compression ratio chamber - all other dimensions same) has a lift of 0. 7-liter LS1, the LS3 and LS6 cams seem to provide the best bang for the buck. 0LS LQ9 with a BTR 2 stage cam (nice muscle car idle) new headers, 2. 6:1 rocker ratio) Exhaust Lift. ProMaxx™ CNC Ported GM LQ9 Cathedral Port Heads Custom 5 axis CNC machining make these heads a must have for any performance oriented GM LS series engine. They can handle over 1,000 hp. 7-liter LS1, the LS3 and LS6 cams seem to provide the best bang for the buck. The weather suck's in Belgium!! If you want to know more just ask. Conclusions. 1978 Ford fairmont. 0 all still running. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. 0L block , Bored. 507" lift at 1. Click to expand. intake, 950hp carb, longtube headers. gear a of now is 411's can change not made up my mind on trans. Stock for stock compared to the 317's, the 243's are simply a better head all around and will make more power exery where. The throttle body specs are almost identical to fast 102mm at half the price. What car, weight, gear, trans, intake manifold, header length and primary size, power brakes or not and are you going to tune it yourself?. was gonna put the motor in my tahoe but i sold it. The stock cam shaft also does a decent job at producing low end torque but there is room for a little improvement. The stock 317 heads flow very well. BES Racing Engines now offers complete cylinder head packages. 0) I built for my S10 had 243s on it AND a mild-moderate cam. ), the LQ9 shares many similarities with the LS-series, but the LQ9 uses a cast-iron block. Texas Speed & Performance is your one-stop shop for all LS and Gen 5 LT1 & LT4 performance parts and engines! We are among the largest LS and Gen 5 LT1/LT4-specific shops in the country, and we machine and assemble all of our engines, camshafts, and Precision Race Components cylinder heads in house!. All of that compressed air is sent through a huge front-mount intercooler, via custom air inlet tubes and a ProCharger blow-off valve. truck & suv camshaft spec page. Essentially, the 317 and 035 aluminum heads are the 243 LS6 heads with 72 cc combustion chambers. LQ4 and LQ9 are both good, just different compression, they even use the same 317 head's, LQ4 is 9. Clean ls2 swap with many upgrades that includes gm 6. Cast iron > Aluminum. Dick's 4x4 Garage 33,277 views. Results in the video. Sloppy Mechanics Wiki. Threads Tagged with heads. Any interest let me know. 5 will include aftermarket 2. There are bigger cams but they get really temperamental on the street and are made for pure drag racing. 4:1 Dave - I am not worried about the engine holding the power there are plenty out there making this kind of power so long as you keep the rpms down. We can also supply you with a matching camshaft and intake. We take a 6. So 99-01 head iron heads, smaller cam, and longer crank. 3l actually come with 243 heads now. Dashhawk, Mike Norris Catch can and install. I'd say if it hooked back then and my clutch wasn't fucked up allowing me tonot be able to shift, it would pull low 11's with only those 2 mods. The stock heads, intake manifold, and 78mm throttle body just won't flow enough air to make much more HP natural aspirated. I would go with a lq9 and put good bolts in it with a nice set of pistons an do some head work and maybe a cam depending on what Ur power plans are. 02 and up LQ4 has aluminum 317 heads, normal crank (will fit more than just the 4l80e), and slightly larger cam. lq9 While not so common on our side of the world, the LQ9 is achieving some impressive results in the US, where it is both more plentiful and considerably cheaper than its alloy-block cousins. 02-06 lq4 ally heads (317's) Lq9, high compression 6. Looking for that trick looking Billet valve cover? How about clearance for valvetrain? Add a set of these custom billet valve covers to top off that custom built motor. 0 L is a larger truck version of the LS1, with the exception that the blocks were cast of iron, and was designed to bridge the gap between the new small blocks and big blocks in truck applications. These fully CNC ported 215cc heads are specifically designed for $2,395. 0) I built for my S10 had 243s on it AND a mild-moderate cam. Iron heads, small cam and the old SBC crank rear flange thickness. How's it going. 030 OEM Block Machined in the USA! 6-Bolt Main 4. 6:1 rocker ratio) 111 LSA. 587 226 232 112+4 pac 1218 valve. Click the links above to download the most current browser. Would like to be able to run 6. Our site is best viewed with the latest versions of these browsers: Internet Explorer, Firefox, Safari, Chrome Older versions may have problems viewing some of the features of our site. 425 pushrods, Ls2 springs (yellow. Escalade ESV. There were two version of this engine: the LQ4 and the LQ9, the latter being more performance oriented. The truck engine is pretty much the best flowing intake other than the fast 90 with costs too much, IMO. 3Truck heads ***reportedly came on a few corvette's too*** These are basically 243 Heads 873 99-00 LQ4 6. I have a LQ4 not an LQ9, sorry. Sense 317 bring the compression. Upgrading to the more advanced and better flowing L92 cylinder heads raises compression from 9. Accessories Air Filters Apparel Camshafts Carburetors Chemicals Crate Engines Cylinder Heads Engine Dress-Up Fittings Fuel Injection Fuel Systems Garage Sale Gaskets Ignition Installation Items Intake Manifolds Nitrous Oxide Power Packages Sensors Superchargers Thermostats Tools Valvetrain Water Pumps. I got a lq9 6. Will this cam work with a 4.