Brand new in box set of 317 heads for sale. $400 + shipping.
Brand new in box set of 317 heads for sale. $400 + shipping.
2000 Chevy Silverado RCSB LS6 5 speed, LS6 short block, 317 heads, LS6 intake, Lunati 220/224 .575/.575 112LSA cam, Edelbrock Headers, CTS-V accessory drive, Nelson Performance Custom Tune.
sorry but which ones are these?
Mike
07 Avalanche LT1 w/5.3 We call her Ava
They are the 72/70cc heads. They come off a 6.0, and flow the same as the 243/799 heads, but just have bigger chamber. Good for going boost.Originally Posted by flynn78us
what compression ratio would they yield on a 5.3?
low. Im thinking like 8.5-8.8 CR. Good for a turbo. But would be a gutless pig for NA.
Yeah thats what I thought, thanks for the info.
Mike
07 Avalanche LT1 w/5.3 We call her Ava
Yup, was gonna put them on my LS6 but didn't want to sacrifice the HP loss. Looking for some 243's.
2000 Chevy Silverado RCSB LS6 5 speed, LS6 short block, 317 heads, LS6 intake, Lunati 220/224 .575/.575 112LSA cam, Edelbrock Headers, CTS-V accessory drive, Nelson Performance Custom Tune.
SOLD! They're going on my engine, new plans, see my sig.
2000 Chevy Silverado RCSB LS6 5 speed, LS6 short block, 317 heads, LS6 intake, Lunati 220/224 .575/.575 112LSA cam, Edelbrock Headers, CTS-V accessory drive, Nelson Performance Custom Tune.
Awesome man. Good luck with the build!SOLD! They're going on my engine, new plans, see my sig.
So you plan on runnin 2 sets of 317s! LolSOLD! They're going on my engine, new plans, see my sig.
00' Ls1, TSP 228R - 228/228 .588/.588, Yank SST3200, Nelson tune, Nelson wiring harness,
s&p headers, custom radiator with e-fans,91 sub front end with billet grill and bowtie,autometer gauges, red and grey tweed interior, dual 2.5" flowmaster super 40, Dmh cut outs, 5"-7" drop,air shocks, 20" Intro twisted vistas, gaylords bed cover
Coming soon: Air ride with an SD raised front crossmember and 6 link canti out back
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