Best Cam For Lq9 With 317 Heads

0 LQ9 with a cam, Victor Jr. Alright guys here it is. Havent heard much good stuff on the z06 springs. You can also keep the 317's and have them milled just slightly. 0, and the thing put out 439/424 tq/hp peak. Essentially, the 317 and 035 aluminum heads are the 243 LS6 heads with 72 cc combustion chambers. Stock rods and pistons, ARP rod bolts Custom ground cam- a lopier version of the HOT cam. replacement engines. 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. all rectangular port cams: (reg $445) $399. The LQ9 had flat top pistons with 4 valve reliefs for higher CR. Theres a reason why the engineers at GM put 317's on the 6. We offer everything from mild kits with pump gas pistons to wild fully forged rotating assembly kits to meet your racing needs. LQ4 and LQ9 are both good, just different compression, they even use the same 317 head's, LQ4 is 9. order soon as cams are blasting off the shelves! all cathedral port cams: (reg $445) $369. It's behind a 6. Trick Flow GenX 235cc/70cc CNC Bare Cylinder Head TFS-3061B001-C03 These Trick Flow GenX® 235 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered vehicles. The LQ9 (high compression 6. Light weight plus big power makes this Chevy a lot of fun to drive. I Just did The tune up last year but I want to trow some fresh plugs and synthetic oil in because I want to tune it soon. 0 lq9 by tms king racing main/rod bearingssingle piece cam dual coated flat top (10. No more guess work. The throttle body specs are almost identical to fast 102mm at half the price. Dashhawk, Mike Norris Catch can and install. Here is my situation. You can also keep the 317's and have them milled just slightly. The L92 vs the LS3 heads - L92 has the bigger heavier valves,(not machined vs the LS3 valves). -6 Fuel lines with external fuel pump. Light weight plus big power makes this Chevy a lot of fun to drive. CNC-Motorsports offers an endless variety of LS3 L92 stroker kits. 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. Stock 12k mile LS2 block from TBSS. 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. LQ4 was the only option. What car, weight, gear, trans, intake manifold, header length and primary size, power brakes or not and are you going to tune it yourself?. Comp Cams 8956-16 Endure-x Solid Roller Lifters Set For Chevrolet Gen Iii Iv Ls Gm Performance. You'd need a big cam, some real head work, 1 7/8" headers to make a "hp" goal like that. All in all the block it's self is the same from what I could find. in this engine tech article HOT ROD compares the five best-selling Comp Cams camshafts for GM LS engines using a engine equipped with cylinder heads and either EFI or a 950 cfm carburetor - Hot Rod Magazine. Lq9 ran the 317 heads while earlier lq4s were iron and some were alluminum heads. The build quality is nice and the welds are clean. "The Chevy LS engine family has built up a large following in the last 10 years from many hot-rodders and drag-racers. GRIP ROYAL GARAGE CLEANOUT: Kaaz, SR20 BC cams, SPEC KA, Digi Climate, RB25 Parts, + GM LQ4/LQ9 317 Heads - $275 S13 Gas Tank Straps - $50 BC0201 Cams S13. The L92 head will only fit a 4'' bore motor and will only work with L92/LS3 intake because of the different intake ports. Most people I talk to say go with LQ9 heads as they flow the same but will lower CR. 0L is about the same cost as a low mileage LQ4 or LQ9 + heads. This should bump your compression up to almost 11:1 Put a healthy cam in there and something like the Vic Jr intake with elbow. The LQ4 and LQ9 are Gen. build the 408 with forged internals. Changing pistons and/or cylinder heads will allow you to change the compression ratio. All Listings. 50 bucks for a front cover, 70 for beehive springs, and 100 for a ls2 cam. Most are lucky if they can be bored to 5. We carry everything from the oil pan to the valve covers and everything in between. I drove it for a year or so before my most recent build up with:. 2020 Honda Accord Hybrid Offers Fuel Economy and Best-in-Class Horsepower The sedan's two-motor hybrid-electric powertrain gives the car 212 hp and 48 mpg October 4, 2019. 3 L engines. Chevy crate engines for sale - Brand new and rebuilt chevy engines - Listings with prices updated daily! Chevy 350, 327, LS1, LS2, V8's, and V6's. My LS Swapped Land Rover LR3 Build (World's First) Yesterday I posted in this thread with a picture of my LS swapped Land Rover. The information set forth in this Item 7. The price listed is for you sending your cathedral port cylinder heads (4. lq9 are 317's just like the lq4 , and are the heads most use for boosted applications , ive got a set of west coast cyl head stage 2's the 4. It started off life like any normal truck engine. (You may need to lower the compression to run with boost. Ported 317 heads, yellow gmpp springs, comp cams pushrods ls6 intake on my lq9 with 317 heads help. 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. There were two version of this engine: the LQ4 and the LQ9, the latter being more performance oriented. By Bobby Kimbrough posted on May 13, 2012 in Engine With Commentary by Mike Coughlin, JEGS High Performance. in this engine tech article HOT ROD compares the five best-selling Comp Cams camshafts for GM LS engines using a engine equipped with cylinder heads and either EFI or a 950 cfm carburetor - Hot Rod Magazine. For the price its hard to beat. For a cam I would look at something like the TSP TQv2 or MS3. Flow numbers confirm they are at least close in design, as the 317 heads flow every bit as well as the famous 243 heads (meaning around 245 cfm). The heads had to ultimately be replaced, but the company that manufactured them did send me a new set free of charge. In order to finish out the package, a top end set of LS3 intake, fuel rail, and injectors was purchased for $240. These fully CNC ported 215cc heads are specifically designed for $2,395. A Short Guide to the GM LS Engine Family. 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. 0 LQ9 by TMS King Racing main/rod bearingssingle piece cam dual coated Flat top (10. The go-to head for 450-500rwhp 5. "The Chevy LS engine family has built up a large following in the last 10 years from many hot-rodders and drag-racers. Harry Bronson 59,520 views. Chevy performance parts, Accessories, and crate engines for sale. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. 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. The heads of choice will be 799 heads from the newer GM Truck. 0L heads are based on the LS6 243 and flow pretty good. 0 with L92 heads and VVT that are 480HP with a cam. The LQ4 and LQ9 versions of the 6. The truck engine is pretty much the best flowing intake other than the fast 90 with costs too much, IMO. Thanks for everyone's input. The OP is asking about LQ4/LQ9 motors, so best to know all the options and what to avoid, IMO. The LQ4 has dished pistons for lower compression than LS1/LS2. It's the stage 4 BTR truck cam. The stock cam shaft also does a decent job at producing low end torque but there is room for a little improvement. A 2000-2002 TB has a blue spring on it and it has the biggest throttle cam, GM Part# 17113647. These heads provide up to a 65 cfm improvement over stock OEM versions. 3's and (4) 6. Theres a reason why the engineers at GM put 317's on the 6. 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. Mike from tuningsuperstore. 75:1 Compression ratio)high performance ring setGM floated connecting rods performance reman GM LS 317 heads angle milled and built Billet custom ground camshaft. order soon as cams are blasting off the shelves! all cathedral port cams: (reg $445) $369. No matter what you're driving, we have the right Ls1 Cylinder Heads for your automobile Quality Auto Parts, New, Used and Recycled Auto Parts For Sale. 0 lq9 iron block 317 heads ported intake egr delete texas speed racing cam 600/600 228/22/r 112lsa upgraded push rods 7. Iron heads, small cam and the old SBC crank rear flange thickness. For the price its hard to beat. Baby blue and bright white two tone paint. Harry Bronson 59,520 views. 0L LQ4 with SS Cam Package - Stock Exhaust Manifolds VS Large Primary 1-7/8", Long Tube Headers Fel-Pro HS26192PT3 Gasket Set - Chevy LS2 LQ9 6. 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 was working on another 6. Essentially, the 317 and 035 aluminum heads are the 243 LS6 heads with 72 cc combustion chambers. 0L V8 Vortec L96 is an engine produced by General Motors for use in its full-size heavy duty (HD) pickup trucks, LS Heads: Cathedral-Port vs. truck & suv camshaft spec page. well, i wouldnt put the procharger on stock cubes. 3L Torque Tech Part 2. wanna keep the 317 heads cause i have the complete ls6 intake already. What cam would work best to make the most HP? (please incl part numbers and where to buy it) I will be running 100 octane fuel in it. ) There was an owner on a GTO forum who had a 04 or 05 GTO that swapped in a stock long block LQ9 with LS6 cam and dual springs and a 74mm single turbo and ran a 9. Login with Facebook. I Just did The tune up last year but I want to trow some fresh plugs and synthetic oil in because I want to tune it soon. Escalade EXT. Stock rods and pistons, ARP rod bolts Custom ground cam- a lopier version of the HOT cam. 165" Hollow Stem Intake Valves. Aluminum For Sale. The LS9 cam profile was designed specifically for the 600+hp supercharged LS9 motor. Cathedral port heads. These crate engines are high performance drop-in engines, sometimes called stroker engines. Changing pistons and/or cylinder heads will allow you to change the compression ratio. Public group. The difference would be about 50 cfm on average from one to the other in there best porting. 6 litre version, this version produces 227 hp (169 kW; 230 PS) at 6600 rpm and 297 N⋅m (219 lb⋅ft) at 3200 rpm. The engine has 270. LS Engine Specifications. Adding a set of GenX 205 heads and matching cam from Trick Flow Specialties along with a FAST LSX intake manifold, the 5. The stock 317 heads flow very well. VIN 8th Digit. Amazon's Choice for L92 Cylinder Heads ICT Billet 4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551275. But bolt on a set of great heads even with a poor cam, and that engine will still make great power. Lq9 ran the 317 heads while earlier lq4s were iron and some were alluminum heads. 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. I wouldn't go through the time and expense of replacing a set of heads just for a change of compression. 2002 lq9 6. Chances are it will be accurate but you wont really know until you get in there and measure. All AN fittings. It will be running the 4L65e that it came with. Dashhawk, Mike Norris Catch can and install. 0 Complete Engine Ls Swap W Harness And Ecm W 4l80e Free Shipping. If you have any questions please feel free to call or text me. Best 25+ 2004 Gto Ls1 Specs by Carolanne Berge such as 2004 Pontiac GTO Engine, 2004 GTO Horsepower, 2004 GTO Engine, GTO LS1 Engine, GTO 2004 LS1 Wiring Harness, 2004 GTO Wiring-Diagram, 2004 Pontiac GTO, 2004 Pontiac GTO Engine Specifications, 2004 LS1 Engine Wiring Diagram | Aihara Company. There were two version of this engine: the LQ4 and the LQ9, the latter being more performance oriented. But bolt on a set of great heads even with a poor cam, and that engine will still make great power. One of the distinguishing features was the increased compression ratio for the LQ9, enabled by a different piston design. Stock LS1 Heads. Ported 317 heads, yellow gmpp springs, comp cams pushrods ls6 intake on my lq9 with 317 heads help. 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. LS3 Short Block 416ci - Forged internals give this aluminum LS3 replacement potential for well over 600 HP. The compression doesn't make a huge difference, +20hp/+10tq between the two, and I think some of that is in the tune. *Basically the same as an LS1 but with better heads (243 head castings) a more aggressive cam, and LS6 intake manifold make up the power differences. 317 heads rebuilt with 3 angle valve job. For our test, we were only interested in the 6. Application Information. They arent to shabby to work with, and make good power with mild cams. That's the same volume as stock LS3 heads, which maintains the stock compression ratio. 0 LQ9 by TMS King Racing main/rod bearingssingle piece cam dual coated Flat top (10. Click on Calculate Displacement. For a cam I would look at something like the TSP TQv2 or MS3. The difference would be about 50 cfm on average from one to the other in there best porting. From a power standpoint, the early LQ4s shared the same cam profile as the wimpy 5. Anyways looking for the best cam intake and headers that you offer. 3l actually come with 243 heads now. The LQ4 and LQ9 versions of the 6. Whether you're looking for a turn key crate engine or you're looking to build from the ground up, we've got the parts you need. intake, 950hp carb, longtube headers. The LQ9 in stock form requires 93 octane, so my build would've needed that as well as spot-on tuning. 507" lift at 1. Best 25+ 2004 Gto Ls1 Specs by Carolanne Berge such as 2004 Pontiac GTO Engine, 2004 GTO Horsepower, 2004 GTO Engine, GTO LS1 Engine, GTO 2004 LS1 Wiring Harness, 2004 GTO Wiring-Diagram, 2004 Pontiac GTO, 2004 Pontiac GTO Engine Specifications, 2004 LS1 Engine Wiring Diagram | Aihara Company. Stock rods and pistons, ARP rod bolts Custom ground cam- a lopier version of the HOT cam. Lose too much power and efficiency. LQ9 Short Block 408ci – Great big-cube iron block for extra strength at a reasonable price. LQ9 added 10. You can also keep the 317's and have them milled just slightly. Component upgrades and different machining options are available to customize your AFR heads for your specific build. We need to know more info on your combo to steer you in the right direction. You can also calculate Total Volume from bore, stroke, and CR. But, from browsing around forums and asking some engine builders, it seems like bolting LS3 heads onto an LS2 will gain you about 20whp+. All of that compressed air is sent through a huge front-mount intercooler, via custom air inlet tubes and a ProCharger blow-off valve. Here is my situation. So 99-01 head iron heads, smaller cam, and longer crank. The earlier LQ4's had a press fit wrist pin. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro-Stock champion for four decades. It will be one bad mamma jamma on the street!. The first has to do with port shape. LS Engine Specifications. It will fit any LS engine with cylinder bores of 4. The L76 essentially replaced the LQ9, and it offered the displacement on demand technology, as well as the variable cam phasing. make sure you use the proper tool, and not feeler guages, to put the oil pump on. This cam was designed for use with ported heads and added displacement. For a cam I would look at something like the TSP TQv2 or MS3. 0l pithon bulletin; 6. using nitrous, a blower, or a turbo. 0L PT88 w/ Truck Manifolds in an FBody Build Compliments of 98Z28CobraKiller @ www. others may differ in opinion, but. 5 9" ladder bar. 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. 7 L (350 cu in), and was a 2-valve pushrod design. I have used a few junkyard motors both carbed and EFI, mostly stock or very mild cams. It's behind a 6. 600 lift springs. Comp’s fourth most popular cam, the 277LR HR-113, idled at only 10. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items!. -6 Fuel lines with external fuel pump. Since the 1960s, Lunati has manufactured engine components of the highest quality using cutting-edge technology. 7 Liter Passenger Car. 0L it came in a 1500 chassis. The 241 heads don't flow worth crap. Let the professionals at Callies pair your crankshaft with all the proper bottom end components. As a result the Bolts are also longer 01 6. 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. 3L Torque Tech Part 2. I recently purchased an LQ9 with 317 heads. Bullet Cams--Cam Recommendation Form 8785 Old Craft Rd. 3 L engines. 3 Vortec cam kit that is also great as a Silverado 5. These heads provide up to a 65 cfm improvement over stock OEM versions. engine 42k 6. 3L LM7 and 4. For use with stock heads, modified retainers are required for extra clearance due to the high level of lift. Essentially, the 317 and 035 aluminum heads are the 243 LS6 heads with 72 cc combustion chambers. Here is my situation. To go along with the heads, we picked up an aftermarket cam on the forums for $140. Conclusions. 0 Iron center bolt heads. Alright guys here it is. I wouldn't go with the hotcam myself. GM Engine & Exhaust Performance - The Difference Between All The LS Heads - Ok guys, I'm always hearing different opinions about what the difference is between all the LS heads. LS MUSTANGS BUY, SELL, TRADE. Click the links above to download the most current browser. I have the heads and a lot of other LS parts for sale in other posts. 75 headers to 3 inch y pipe to 3 inch magnaflow muffler 3. Whatever you decide to apply this one for, just know nothing really beats an OEM item for daily performance driving. com made me a nice custom tune file via email to upload into my updated Predator part #u7146. others may differ in opinion, but. I'm running a 6. Escalade ESV. Component upgrades and different machining options are available to customize your AFR heads for your specific build. 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. Dick's 4x4 Garage 33,277 views. Some '99-00 LQ4's had the iron heads instead of the 317 aluminums. 02 and up LQ4 has aluminum 317 heads, normal crank (will fit more than just the 4l80e), and slightly larger cam. But I just checked and yes the 27 LQ4/9 heads have the same 71cc chambers at least according to this. If after 8pm please text me first. I Just did The tune up last year but I want to trow some fresh plugs and synthetic oil in because I want to tune it soon. Im really close to going ls. You will have to use more cam than what you would with an l92 head to make 500 hp. *GM 317 Cylinder Heads (2) good condition Come out of a 2006 Cadillac Escalade LQ9 v8 6. 5 9" ladder bar. I am looking for something like the tr220 is for the. 0L LQ4 engine block, add a little elbow grease, and build ourselves a nice budget-friendly horsepower block. So if you can't find a reasonably prices LQ9, just find a nice low mileage 05+ LQ4 for cheap. Havent heard much good stuff on the z06 springs. Order Cadillac Escalade Engine Cylinder Head online today. 232cc Full CNC Porting Package A slightly larger version of our proven 226cc full CNC work with excellent "clean up" and the potential to make another few HP. The valves are only open for a short time you need to fill the cylinders quickly. 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. I wouldnt sweat the differences tho, try to find a later model one as they will have the better heads and stronger rods anyway. 2020 Honda Accord Hybrid Offers Fuel Economy and Best-in-Class Horsepower The sedan's two-motor hybrid-electric powertrain gives the car 212 hp and 48 mpg October 4, 2019. The LQ4 will have 317 heads which are low compression. 0L LQ9 engine equipped with LS3 cylinder heads and either EFI or a 950 cfm. The LS7 heads however, feature CNC-machined chambers, intake ports and exhaust ports. The LS2 heads were a slight step up from the LS1 heads. That's the same volume as stock LS3 heads, which maintains the stock compression ratio. 0L LSx LQ9 799 Heads BTR Cam HoneyBadgerOBS. The stock cam in the 2003 LQ4 is the. The LS6 and the later LQ9-LQ4 heads used reshaped intake ports and D-shaped -- as opposed to oval-shaped -- exhaust ports for better flow: 200 cfm intake and 70 cfm exhaust for the 241's, and 210 intake and 75 cfm for the 243's. Essentially, the 317 and 035 aluminum heads are the 243 LS6 heads with 72 cc combustion chambers. Cathedral port heads. The LT1 used a reverse-flow cooling system which cooled the cylinder heads first, maintaining lower combustion chamber. I say get a cam/springs/pushrod package and a good converter for it and go have fun. 0L the high compression iron block AKA LQ9 came off a Silverado SS. 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. Intake is on a boosted 364 ls1 w 317 heads; it fits. Hedman 1 3/4” headers. This cam was designed for use with ported heads and added displacement. ) There was an owner on a GTO forum who had a 04 or 05 GTO that swapped in a stock long block LQ9 with LS6 cam and dual springs and a 74mm single turbo and ran a 9. (You may need to lower the compression to run with boost. 0L truck heads, "317" castings, with the 72cc chamber and LS6 ports, to have another go with. Planned upgrade: 5pm Friday 30 August - 10am Tuesday 3 September 2019 AEST. Ls6 heads for sale : Corvette LS1 Cylinder heads and LS6 Cam , 1971 Big Block Chevy L78 LS6 454 Rectang, Chevy ls 799 Heads Cathedral Port ls1 ls, 243 Heads LS6 Intake - $300 (Weslac. BES Racing Engines now offers complete cylinder head packages. 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. 0L LY6 was modified slightly from stock to better represent a typical 6. 79 in the 1/4 in my 3300 lb Cutlass. build the 408 with forged internals. The stock 317 heads flow very well. You bring up a good point regarding the LQ9 pistons - if I have to go the route of new pistons, I may as well go LQ9 and get a cheap set of 317 heads. 425 pushrods, Ls2 springs (yellow. 0L it came in a 1500 chassis. The CNC-ported LS3 head features 276cc intake runners and 92cc exhaust ports, along with a combustion chamber volume of about 68. 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. 0 aluminum The standard issue LS1 heads is best all-around head. This put the compression about as high as one would want on a street engine. GM Performance Parts for the lowest prices on the web. Enter the piston stroke length. You are going to need addition fuel line parts and possible a regulator. Iron heads, small cam and the old SBC crank rear flange thickness. With our test motor at the ready, we installed the 317 heads, but not before upgrading the stock valvesprings with a set of 26918s from Comp Cams. 3L LM7 and 4. The aluminum head LQ4/LQ9 had a 196/207 cam like the F body cars. 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. Brian Tooley Racing, Inc. 7-liter LS1, the LS3 and LS6 cams seem to provide the best bang for the buck. Hey guys, I'm in the middle of rebuilding the motor in my 03 2500hd and it's got the gasser 6. 0L motor with soon new Patriot 243 heads and a mag 112 supercharger on it. Get the best deal for Parts for 1978 Chevrolet C10 from the largest online selection at eBay. The GM 317 heads received a full port and polish, only to be filled with air by a much larger ProCharger D-1 huffer. 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. what would be a good cam to run without fly cutting the pistons. 6:1 rocker ratio) Exhaust Lift. Whatever you decide to apply this one for, just know nothing really beats an OEM item for daily performance driving. How would i advertise these heads I have? All I know is they're 317 with 660 dual springs and I spent 700 at a machine - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Heads can be the single most expensive purchase after the engine you can make when building an engine. 7 Liter Passenger Car. 8 with 862 heads and/or 317 heads? Yes, this part performs exceptionally well with a boosted 4. If after 8pm please text me first. After obtaining the iron 5. Along with the block we also had the heads gone through (resurface/valve job, $150) and, due to our larger cam, we also swapped to a set of COMP springs, seats, retainers, locks, and seals (PN. My own Crane cam that I just put into the LQ9 (same as LS2 except iron block and 10. 3 L engines. 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. 3241) would make the difference on clearing anything in the block, but I guess I don't know how tight. All AN fittings. The price listed is for you sending your cathedral port cylinder heads (4. The GM 317 heads received a full port and polish, only to be filled with air by a much larger ProCharger D-1 huffer. best top coil heads organic cotton ideas and get free shipping. The build quality is nice and the welds are clean. 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. Canada Engines List of Engines for: Chevrolet, Ford, Chrysler, Toyota, Honda, Nissan, GMC, Dodge, VW, Mazda and many other domestic and import cars and trucks including 4, 6 and 8 cylinder engines and V6 and V8 engines. 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. Body is laser strait and has all been redone. The 241 heads don't flow worth crap. GM Engine & Exhaust Performance - The Difference Between All The LS Heads - Ok guys, I'm always hearing different opinions about what the difference is between all the LS heads. Most others have 317 casting heads which are cathedral ports but work well. 0 with 317 cathedral heads out of a 2003 Denali from the junkyard. 75:1 compression ratio)high performance ring setgm floated connecting rods performance reman gm ls 317 heads angle milled and built billet custom ground camshaft. 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. Loading Unsubscribe from HoneyBadgerOBS? Chevy LS1 243 vs 317 at a glance - Duration: 4:47. 100% CNC'd 226cc GM LS6/LS2 Cylinder Head Package GM's #243 or #799 LS6/LS2 head casting is the most sought after GM cathedral port casting. Threads Tagged with lq9. The stock cam shaft also does a decent job at producing low end torque but there is room for a little improvement.