I made an appointment today to be at Futral Motorsports the 20th at noon!!! My stock 243's are going tomorrow to Womack Racing to get surfaced and hopefully i can get them installed before the 20th. Im hoping to make around 390 whp with the heads and around 370 without but you cant ever tell. trans has been acting up hopefully it dont grenade down there.
Mods are :
LS1 with stock 853's
TSP 228R-112 cam
LS6 intake
S&B CAI
P&P throttlebody
Powerbond underdrive pulley
LT's
28.8 injectors
3800 stall
shift kit
servos
4.11's

 

Im going to guess 390+ thats a good setup, there are some fbodys making around 370 cammed and bolted.
keep us updated and defiantly when you take it to the track! what has changed since your 12.6 run?

 

I moved this to the dyno results&comparison section for you, good luck on the dyno, just remember the dyno is a tool and not the definative meaure

 

ohh yea im just using the dyno for tuning purposes, but i would like to know what its putting down also know what i mean!!!
havnt changed anything but i am swapping heads now hopfully before the 20th. and next time out hopfully get to try out the shortbelt.

 

good luck with the upcoming mods!
keep us updated.

 

thanks cajun!!!
some info i recieved today! the heads were milled .008 by previous owner and im having them surfaced so at most he is taking off will be .002. so with my figures i will be at 11.27:1 SCR and 8.69 DCR with the .040 cometics. thats a HUGE increase from 10:1

 

I want compression like that

 

just used another CR Calculator and came up with 11.17:1 so im going to say 11.2:1 is what im at!

 

Jw, how much does compression effect HP in a N/A setup? Say if i were to bump my compression up from stock (9:1?) to 10.5:1, would that gain me enough hp to be worth the money?

 

I have read on Tech that every 1 point (ie. 9 to 10) you gain like 4% but i dont think they even make gaskets for the 5.3 other than stock and that would be too much milling