Ly6 with 243 heads

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August undefined, 2024

Web11 sept. 2012 · Another difference in the LS valvetrain is that they come stock with a fairly large diameter camshaft. “The reason the camshaft is larger is because the larger the diameter of the camshaft, the stiffer it will be and the more stable it will be,” Clay explains. The GenI and GenII Chevy small blocks came with comparatively small journal ... Web11 sept. 2024 · Once upgraded, the LS3-cammed LY6 produced peak numbers of 475 hp at 5,800 rpm and 469 lb-ft of torque at 4,600 rpm. Basically, the LS3 cam was worth over …

wat to do with 243 heads? - LS1Truck

Web13 apr. 2024 · Under the hood of 2007-2009 Chevy and GMC 6.0-liter V8 equipped vehicles, you’ll find the LY6 engine. It has a power output of 363 horsepower and 383 lb.-ft. of torque and is found in the following vehicles: 2007-10 Chevrolet Silverado 2500 HD, 3500 HD. 2007-10 GMC Sierra 2500 HD, 3500 HD. http://www.ls1truck.com/forums/powertrain/17660-243-vs-799-heads.html lyons canyon flood

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WebEnter the required information into the boxes and click results! Tip! This Calculator is designed to tell you how much you need to mill your heads to achieve the. specific Compression Ratio you are looking for. If you Do not know your current. Compression Ratio, go to the Compression Ratio Calculator to figure it. You will. Web23 sept. 2010 · Its a 2007 6.0L LY6. for those not familiar, it has : factory installed L92 heads, 9.6:1 compression, and VVT. I eliminated the VVT, but left the stock cam in place. I am running a MSD 6012 and carb: 850 mighty demon Edelbrock Vic JR L92 intake Edelbrock 1-3/4" step to 1-7/8" headers, w/ 3" collector, and full 3" exhaust w/ Ultraflow … Web31 dec. 2011 · Posted December 31, 2011 (edited) IMHO. The compression rise isn't worth the trouble and cost of changing heads. With smaller valves it's a step backwards. I would do cam and exhaust work with your exsisting heads. Plus the usual tuning of injectors,computer etc.. My V-Max 6.0 pings on less than 92 octane. lyons camp rhyl

CHEVROLET 6.0L/364 Head Gaskets - Summit Racing Equipment

243 Heads: All About 243 LS Heads & Their Application - Allied …

Web15 dec. 2024 · The chamber sizes varied from a low of 64 cc for the cathedral-port AFR 245s, 70 cc for the stock LS3 heads, and a high of 73 cc for the 317 heads. Obviously, the difference in chamber volume would alter the static compression ratio by as much as one full point between the AFR 245s and the stock 317s. The result of a point of compression … Web18 dec. 2009 · Install a cam in the LS2 and enjoy the better heads!!! Then you can sell the 243's for some $$$. These go from 600-800 a set. And sell the LY6 short block for at least 600-800. The only thing is the LY6 intake is a truck style (tall) if you want the car one you have to run the LS3 intake as it will bolt to the LY6 heads. The earlier Gen III LS1 ... kip shippy evan mechamWeb30 aug. 2024 · In went the LJMS/BTR stage-2 turbo cam. Run with the new turbo cam, the boosted 5.3L produced 730hp (actually 729.8hp) at 6,600 rpm and 649 lb-ft of torque at 4,900 rpm. The peak was almost identical (11.0 vs 11.3 psi), so the cam offered peak-to-peak gains of nearly 130hp. lyons canberra

"Web2 apr. 2024 · Final dyno graph shows all three EQ heads on the 6-liter LY6 as equipped with the Comp Cams LSR camshaft. Blue = LS3 (CH264C), Red = "317" casting (CH364A), … " - Ly6 with 243 heads

Ly6 with 243 heads

Ly6 6.0 - GMC Yukon Forum Tahoe Z71 Cadillac Escalade

WebI have a set of 799 LS cylinder heads. Like new. Asking $500 obo. text: 336-634-eight12two *LS2, LS3, LS6, LY6, LS1, 5.3l, 6.0l, 6.2l do NOT contact me with unsolicited services or offers Web12 apr. 2024 · The LY6 cylinder heads are similar to the LS3 heads, and make good power. The stock heads can be CNC-ported for more airflow and milled up to .030 in. for more compression. Flow numbers can be as high as 373 cfm at .700 lift. Lightweight hollow stem LS3 valves will drop right in. Between the light valves and better springs, the engines will ...

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WebI have a set of 799 LS cylinder heads. Like new. Asking $500 obo. text: 336-634-eight12two *LS2, LS3, LS6, LY6, LS1, 5.3l, 6.0l, 6.2l, 243/799 do NOT contact me with unsolicited services or offers Web20 oct. 2024 · The 2008 LY6 6.0L featured high-flow, rectangular-port LS3 heads (823 castings). With peak flow numbers of 315 cfm, the heads could easily support any power …

Web24 dec. 2009 · Registered. Joined Aug 18, 2005. 1,132 Posts. #2 · Dec 15, 2009. The intake will 'fit' but you run into issues with the belt routing and WP outlet unless you change some things. There is no benefit of changing to the LS1/6 intake unless you are over 5500 RPMs, the truck intakes flow well.

Web26 iun. 2012 · Generation III Internal Engine - Budget LQ4 with 243 Heads...NOW WITH DYNO RESULTS! - I picked up a nice LQ4 with 80k miles to go in my 6-speed Z28. ... Web26 feb. 2024 · The head also had valves that were larger than both the 317 heads used on earlier 6.0L engines and the 243/799 heads used on the 4.8/5.3L engines. The LY6 engines were rated at 364 HP and utilized VVT but not AFM or flex-fuel. The LY6 was used in trucks until the 2010 model year. GM also released an aluminum blocked counterpart known as …

WebThe LY6 engine was first introduced back in 2007 as a replacement for the LQ4 engine. This engine was one of the very first 4th generation LS truck engines. ... Yes, you can put 243 heads on LQ4, and it will be a great move to do so. There will be a decent increase in the compression ratio, and it will help quite a bit in driving. The head flow ...

Web16 apr. 2024 · Yes, the L9H motor has VVT. Yes, 243 heads will make more torque on a 6.0 block and increase the compression ratio at the expense of high rpm performance. But … lyons cattleWeb17 feb. 2012 · Trying to pick an engine for my fox body build. I found one of each, the LY6 has L92 heads I understand. Like I mentioned in another thread my goal is mid 6's 1/8 … lyons carving knivesWebThe first has to do with port shape. 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. The second major difference is that the LS6 heads used hollow, sodium-filled ... kipsigak boys high school batchWeb30 mar. 2007 · The 6.0 heads flow better over the 4.8/5.3 as they have different valve sizes, exhaust ports, etc. If you shop hard, you may be able to score some LS6/2 heads to still up the compression AND keep the larger valves. You could always stick larger valves into the 5.3 head for your 6.0, but I'm not sure of your budget. I don't think you'd notice ... kipsigak boys high schoolWeb5 iun. 2024 · What really sealed the deal on the LY6 was the use of LS3-style rectangular port heads. The 823 aluminum heads offered peak flow numbers of 317 cfm—a jump of over 65 cfm per runner compared to the 317 heads used on LQ4s and LQ9s. We like to think of the LY6 as a smaller, iron horse version of the all-aluminum LS3. Now it was … lyons cardiologyWeb21 ian. 2024 · RPO L99 and LS3 cylinder heads are aluminum with 68cc combustion chambers, rectangle intake ports with 257cc runners, D-port exhaust with 87cc runners, 2.165˝ intake valves and 1.590˝ exhaust valves. These heads can be CNC-ported to improve on flow and milled for higher compression. These heads are almost the same, … lyons cashel roadWeb29 mar. 2024 · The LY6 engine is a 6.0L Gen. 4 small block engine used in GM trucks and SUVs between 2007 and 2010. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information … kips ice cream hours