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Porting 317 ls heads

Webthis is a video of how I ported my 317 casting number heads that I am putting on my 4.8 liter twin turbo setup in my 1983 ltd sleeper wagon build they have a... WebJul 26, 2016 · The 317 heads featured ports that all but duplicated the LS2 243 heads, meaning they were cream of the cathedral-port crop in terms of airflow. The 317s did differ from the 243s in that they featured much larger (and less efficient) combustion chambers. Where the stock 243 heads featured 65cc chambers, the 317 heads featured 72 cc …

A Guide to LS Cylinder Heads - Engine Builder Magazine

WebJan 21, 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, … WebFind many great new & used options and get the best deals for 2005 GM Part 317 Cylinder Heads 6.0 LS fits Chevy Camaro Gmc Truck SS 5.3 oem at the best online prices at eBay! … cta interactive map https://par-excel.com

Surprising HP Numbers From Our Stock LS Cylinder …

WebUnderstanding GM LS-Series Cylinder Heads. Before I get into the the meat of the book—the spec charts—there are a few things you need to know. They include information on converting from a cathedral port to a rectangular port, some thoughts on the merits of cathedral versus rectangular ports, and a bit of cylinder head theory. WebSep 24, 2015 · These heads came on low-performance 6.0-liter truck engines in two variations: “873” cast iron (1999–2000) and “317” aluminum (2001+). The early design was the only castiron LS head ever made, and the least desirable in a performance application. However, the later heads can be a good choice for boosted applications because they … WebNov 4, 2011 · 243 on a 6.0 youre looking at close to the same compression as an ls2 since ls2's are 6.0 with 243 heads, some are 799 but the same. 317 and 243's flow the same. stock 6.0 with 243's youre going from 310 or what ever the stock numbers are plus 30 maybe 40. just guessing here. add a nice cam for good torque to compliment the truck intake ... ear ppt

CNC Porting 317 heads. Who and why? Yellow Bullet Forums

Category:6.0L engine 317 or 241 heads - LS1

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Porting 317 ls heads

Ultimate LS Cathedral Port Cylinder Heads Guide - LS Engine DIY

WebApr 29, 2024 · Ported 317 LS Heads for the beginner. Im just going to post how a basic 317 ls head can be ported in different stages. Basic performance to race ported. And you … Web317 heads are designed for a 4.000" bore motor. Your LS1 is a 3.900" bore motor. Therefore, you'll need a thicker gasket on your heads. Stock heads are 67cc and you are going to a 72cc. This is going to drop your stock 10.5:1 compression down some. As far as power increase? Don't know.

Porting 317 ls heads

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WebSep 25, 2024 · Our most powerful CNC ported factory casting for the LS-1 Engines, the Stage 2. Designed using the same 2.04 and 1.57 valves and valve job technology developed and used in the TrickFlow 215cc head this head has awesome mid-lift airflow. It performs on par with most aftermarket heads. WebUnlock the full potential of your LS1, LS2, or LS6 engine with XtremeCFM's expert head porting services. Our precision 5-axis CNC process, combined with hand blending and finishing, optimizes airflow for improved horsepower, torque, and performance. ... LS1/LS2: Castings 243, 317 and 799; Note: We don't perform a chamber port on the 317 casting ...

http://advancedinduction.com/LSX/AiLSxCylinderHeads.php WebPRC CNC Porting Service - Cathedral Port Heads (Customer Supplied Castings) $899.99 Stage Spring Kit Add to cart The price listed is for you sending your cathedral port cylinder heads (4.8/5.3, LS1, LS6, LS2, LQ4/9) to us for porting. Our stage 1 porting service will include the re-use of the stock vales.

WebUnlock the full potential of your LS1, LS2, or LS6 engine with XtremeCFM's expert head porting services. ... or LS6 engine with XtremeCFM's expert head porting services. Our … WebJun 3, 2016 · 133K subscribers this is a video of how I ported my 317 casting number heads that I am putting on my 4.8 liter twin turbo setup in my 1983 ltd sleeper wagon build they have a 2 inch intake...

WebNEW GM LS 317 HEAD - 6.0L $349.99 Generation III V8 cathedral intake port cylinder head. Casting 12562317. Used in truck, van and SUV applications. Used on 6.0L V8 LQ4 and LQ9 engine models. See Vehicle Application tab for specifics. Add to Wishlist Skip to the end of the images gallery Skip to the beginning of the images gallery Product Specs

WebMar 15, 2024 · 22K views 3 years ago This is an overview of how to port LS cylinder heads. I'm working with 317 heads that come on a 6.0 LS engine. Just a little port work along … cta internshipWeb317 035 Now you can get this porting service on your cylinder heads at an incredibly low cost! Simply follow this procedure: Remove the cylinder heads from your car Disassemble … ear powder for dogs to remove hairWebThe price listed is for you sending your cathedral port cylinder heads (4.8/5.3, LS1, LS6, LS2, LQ4/9) to us for porting. Our stage 1 porting … cta investmentsWeb6.0L engine 317 or 241 heads. This is a discussion on 6.0L engine 317 or 241 heads within the Internal Engine forums, part of the LSx Technical Help Section category; hello, here is what i have: 99 s-10 5.3, ls1 hot cam, home ported 241 heads with z06 springs, edelbrock ... ear pressure after exerciseWebApr 30, 2024 · Re: Ported 317 LS Heads for the beginner by Carnut1 » Sun Apr 29, 2024 7:44 pm No wonder it is so easy to make power with them. Servedio Cylinder Head Development 631-816-4911 9:00am - 9:00pm EST user-17438 Re: Ported 317 LS Heads for the beginner by user-17438 » Sun Apr 29, 2024 7:48 pm ear practice testhttp://advancedinduction.com/ cta introductionWeb6 rows · LS 6.0L 317 Aluminum Cylinder Head CNC Porting Service ( Customer Supplied Heads ) CNC ... cta in testing