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 ... 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 …
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WebDec 15, 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 … 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... triple giant swing frame
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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 … WebMar 29, 2024 · The factory-built motor dished out about 430 horsepower right out of the gate, and the cylinder heads play no small role in that impressive output. The LS3 heads hit the flow bench. The LS3’s 319-T5 aluminum alloy cylinder heads use 2.165 in (55.0 mm) intake valves, 1.59 in (40 mm) exhaust valves, and a 15 degree valve angle. Web6.0L 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 ... triple gem of buddhism