dville_gt

iTrader: (5)

Seasond LQ9 bored .020 over, stock crank, Lunati Pro-Mod forged rods (6.125"), and JE forged pistons (-22cc dish). Should yeild ~8.2:1 compression with the 317 heads.

How much HP would this combo be "good for"?

LS1NOVA

iTrader: (12)

1,231rwhp.









You will reach the failing point of the head gasket sealing before worrying about those parts. The crank would be next I think.

JAX04

iTrader: (17)

ouch, 8.2:1

Stout parts though for sure!

Tally TransAm

iTrader: (17)

heads will lift first

Fbodyjunkie06

iTrader: (10)

O-ring it and get the compression up unless you plan on running pump gas forever.

TheLS1Lover

Definantly. The heads will lift before you break the block.

Also yes. I would just run LS9 Headgaskets since they be cheap. Also seem to be doing well on a lot of motors.

Fbodyjunkie06

iTrader: (10)

If your dead set against o-ringing the block, or going with andreas coopering set-up you can try a set of aftermarket heads like as cast TFS 235's and run a LS9 gasket.

dville_gt

iTrader: (5)

Going to stick with the stock 317's for now and just put the ARP head studs and ls9 gaskets on it. I will realistically probably only push it to 20psi and I'm not even sure if the S475 will be able to keep up. At 13 psi i was trapping 115, at 15psi i was traping 118, and at 17psi it was going 120mph. I figure if I can put 20psi it should put me in the 122-125 range which is where I'd like to stay for a while. (1/8th mile of course).

Fbodyjunkie06

iTrader: (10)

Shoot man there are guys going 128-129 with forged motors in RS275.

You should be able to make enough steam to run 128-129 at least I would think.

Sent you a PM.