Forced Induction Superchargers | Turbochargers | Intercoolers

how much power and boost???

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Old Mar 21, 2004 | 09:54 AM
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Default how much power and boost???

hey guys i am new to the board and am looking for answers from veterans on forced induction. i have just built my lt4 383 from the ground up. the internals are eagle forged crank and h-beam rods and JE 8.1 dished pistons. AFR hydra-rev kit, New AFR 210 heads that flow about 300, 1.6 rockers, port matched intake, 58mm throttle body, 232/248 @ 113, procharger D1-SC with asp cogs pullied to 15#, and a griffin intercooler like Pro Stock Johns. sumped tank with a -10 feed and -6 return to MSD 50# injectors. this is going to the ground through a fidanza flywheel, Spec stage 3 clutch, carbon fiber drive shaft and moser 12 bolt with 3.55.

how much power will this set up make and how much boost is safe? Any comments/suggestions on this setup are appreciated.
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Old Mar 21, 2004 | 11:47 AM
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Dyno it and find out.
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Old Mar 21, 2004 | 11:55 AM
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what is this thing you call "lt4" ??
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Old Mar 21, 2004 | 03:49 PM
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Your LT1/LT4 combo sounds super stout, if you make about 15psi on that low compression I am thinking you might be close to 700rwhp, for sure well over 600rwhp.
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Old Mar 21, 2004 | 09:35 PM
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i am about two weeks from finishing the entire setup, ill post dyno #s soon, and Pro Stock John, nice intercooler set up, gotta luv it.
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Old Mar 22, 2004 | 01:09 PM
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Yah keep us posted... and thanks for the props on the FMIC.
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Old Mar 22, 2004 | 02:01 PM
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Originally Posted by ZR28
hey guys i am new to the board and am looking for answers from veterans on forced induction. i have just built my lt4 383 from the ground up. the internals are eagle forged crank and h-beam rods and JE 8.1 dished pistons. AFR hydra-rev kit, New AFR 210 heads that flow about 300, 1.6 rockers, port matched intake, 58mm throttle body, 232/248 @ 113, procharger D1-SC with asp cogs pullied to 15#, and a griffin intercooler like Pro Stock Johns. sumped tank with a -10 feed and -6 return to MSD 50# injectors. this is going to the ground through a fidanza flywheel, Spec stage 3 clutch, carbon fiber drive shaft and moser 12 bolt with 3.55.

how much power will this set up make and how much boost is safe? Any comments/suggestions on this setup are appreciated.
I agree with Pro Stock John. A chevy 383 stroker with 12 lbs of boost, good heads & cam, should be around 600RWHP with a good tune. I would say 15 lbs should take you to the mid 600's, maybe closer to 700 with race gas.
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Old Mar 22, 2004 | 11:04 PM
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i have a few more ?s, what oil should i run with this set up, i had planned to put 114-116 octane in it and just run open loop on the tune. Also i would like opinions on who or which shop is the best at tuning f.i. lt1/lt4 cars, as of right now im looking at SpeedWorks in Lewisville. any input is great, thanks.

one more thing, where is everyone mounting there BOVs because i just bought a turbonetics godzilla BOV and want to know the best place to mount it.
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Old Mar 23, 2004 | 11:12 AM
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I am running Redline synthetic.

I have been dynoing with VP C12, which is basically 110 leaded.

I have a FAST system.

My Vortech Mondo Bypass is mounted on my FMIC on the inlet side.
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Old Mar 23, 2004 | 01:30 PM
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psj, does the valve on your BOV slide up and down on the shaft it's mounted on?
sorry for going off tangent .
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Old Mar 23, 2004 | 01:37 PM
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I do not know.
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Old Mar 24, 2004 | 08:16 AM
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im mounting the d1sc today, woohoo. with my new cog pulleys thanks to this board, the fmic will be mounted this weekeng thanks to this board. i will post pics tonight if anyone is interested. one more thing psj what weight are you running.
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