Lq9 243 heads cam. hpt Bone555+6VEFCpe+2ZERO (02)6kRPMabuse.
Lq9 243 heads cam. My plans is to build a 408. The 243 heads are cast out of aluminum alloy, and they feature reshaped intake ports and D-shaped Dec 11, 2014 · Texas Speed Dual Spring Cam Kit for Cathedral Port Heads (LS1/LS2/LS6) 25-CamKit2 Texas Speed Dual Spring Cam Kit for Cathedral Port Heads (LS1/LS2/LS6) www. 550 lift so more lift is just going to be harder on the valvetrain. I would use longer duration shorter lift cam similar to the LS3 hot cams. Apr 30, 2013 · Got a LQ9 (flat top motor) got a set of 243's off a TBSS. Dec 7, 2017 · Stock LQ9 With the pistons in the LQ9 be careful when selecting a cam to make sure you have piston to valve clearance. Through research I've found that the 243 heads and TBSS intake are a nice combo with CR around 11:1, and basically my whole setup hinges on the cam selection. com TSP said 2600-2800 stall converter BTR said 2000-2200 stall LQ9 408 with 243 heads and nitrous Hi guys, I just bought a LQ9 with 317 heads. I would say you could steal more than the spark table and get a good start for your setup. That cam looks to be good for your intended purpose. 525 lift. What kind of horsepower would you see. My question is would it be OK to build a 408 with flat tops using 243 heads shooting a 300 shot of gas? Or would it be to much compression and better to keep the 317 heads? I plan on running a good forged bottom end with the MS3 cam. 020 over, 243 heads, headers, gen 4 intake, btr stage 3 v2 truck cam. If . hpt Bone555+6VEFCpe+2ZERO (02)6kRPMabuse. i dont foresee any ptv clearance issues but you need to make sure you have the right valvetrain. I know the compression would go up some, not sure how Sep 29, 2008 · Looking at getting either 243 Heads or now I see these 317 Heads from an LQ9/LQ4 motor. Although the heads were initially made for C5 Corvettes, they later found their use in engines like the truck-spec LQ9 and LQ4. 4 to 11. 5 in the 1/4. Race weight is around 3700 so I think it should be pretty easy to do at your 2500 lb weight. Jan 9, 2022 · Mostly would depend on cam. Do not use the Holley 2x4 intake the High Rise won’t fit under the hood and the Mid Rise kills low end torque due to very short runners Use an LS6 intake or better yet the MSD Atomic intake First gear feels great, second gear feels slow I will log and post that tonight. I don't see a big gain going to a ported 243 when you factor the loss of compression vs a 706. what would be the difference?? Please help, searched but couldn't find anything real informational. texas-speed. If you'd have to get some heads for a stock ish LQ9, I'd go with reworked 706s with bigger valves. Jun 3, 2022 · The 243 heads came on the powerful LS6 engines from 2001 to 2006. The LQ4 and LQ9 had 6 cc larger combustion chambers. Jan 23, 2013 · I posted a question about my LQ9 build but placed it in Internal Engine forum by accident (noob!). Oct 12, 2022 · The 243 heads dont flow much more after 0. That changed in 2001 when GM threw in the bigger cam and aluminum heads designed for the LQ9. Add 100+ horsepower to your GM LS or Gen 5 LT engine with a Texas Speed & Performance cylinder heads and camshaft package! Our packages will include cathedral port, square port, and rectangular port cylinder heads to accommodate LS1, LS2, LS3, L99, LS6, LS7, LSA, LQ4, LQ9, L83, L86, LT1, and more! If you don't have your new pistons yet I'd recomend going with a slight dish, then mill more off the heads to make up for it. 7. hpt 01-27-2018 #2 cobaltssoverbooster Senior Tuner Nov 20, 2016 · Lq9 cam suggestions? Pick one please LSx Swaps Jan 8, 2011 · 99 silverado 2500 4x4 ec lb, lq4 with 243 heads, pace setter long tubes, true duals with x pipe and bullet mufflers, comp 222 224 112 cam, 8. 8 average mpg mixed driving Reply With Quote + Reply to Thread Page 1 of 2 1 2 Last Feb 13, 2018 · It started off life like any normal truck engine. LS6 was also used in some Camaros and Pontiac GTOs. You can probably take my spark table and subtract 2* globally to get you started. Anyways, I'm looking for recommendations for new heads, and I'm trying to keep this budget friendly. May 1, 2019 · I have a lq9 . I want the most out of the combo and don't mind fly Jul 10, 2010 · 243 heads are the same as 799 heads which are found on the LS2's, same block as LQ9. I don't care about aestetics like how choppy it is at idle, I j Nov 2, 2011 · Generation III Internal Engine - How much to you gain putting 243 heads on a lq4 - I don't know if it is even worth it but I am going to change the cam in my 2007 lq4 and was wondering if it was worth putting 243 heads on. . The LQ9 was introduced in 2002 for the Cadillac Escalade and was found in top-of-the-line trucks until 2007. this will center more of the combustion forces to the center of the piston instead of out towards the ring lands Oct 15, 2012 · I just got my 4x4 T56 swap completed and now I'm planning a nice NA build. 550 Milled 243 Heads Shorty Headers 18" MagnaFlow CAI Tube w/stock Air Box Bone555+6VEFCpe+2ZERO (02)6kRPMabuse. (see R. Nov 28, 2006 · All you need is some work on the heads, swap on the LS6 intake you have, a cam swap (can't get around that and you'll be looking right around the 230 range +/- 5 degrees), and headers. May 7, 2012 · With stock 243 heads and a big cam, plus headers, and FAST92, my heavy 2005 GTO ran 11. Building a carburated setup in a Fairmont. Iron heads, small cam and the old SBC crank rear flange thickness. 2's in the 1/8th. Holdener testing). you will need to match your valvetrain to your cam. 0. 1 truck injectors, 4l80e with 2800 stall, 373 gears, 285 75 16 tires, efi live tune in progress, 350rwhp 360tq, 11. LQ9 TSP 212/218 . It has been proven that stock 706 heads do not hinder flow all the way up to 5000rpm on a 6. mrg p8ocjp xukrh a0opd pyq 7b4b of kw6p 42kj t9vva
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