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Lets build a 408ci + Turbo

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Old 03-18-2016, 09:18 PM
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Default Lets build a 408ci + Turbo

So as the title states I want to pick your brains...!!

Lets make paper build that in perfect situations will produce 900-1000 rwhp
Starting with a 408 ci short block, lets put heads, intake, and fuel. Then we will need to size the turbo and all piping.
I have read some about the turbos and setting them up but know next to nothing about doing it because ive never done anything with them.
I know its more than enough motor to do it but my thinking was to not have to boost as hard and make the engine last longer.
Old 03-18-2016, 09:22 PM
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370
S480 with race cover
Stock heads and intake
Old 03-18-2016, 09:24 PM
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What psi?
Old 03-18-2016, 09:29 PM
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23-25

I see 20-22psi down the track which is around 950
Old 03-18-2016, 10:26 PM
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I made 955RWHP at 22 PSI. Stock cover cast wheel. I would also suggest the race cover. I will more than likely be switching to an 84mm billet wheel and V2 race cover. That should be enough to put me well over 1000 if i want to push it.
Old 03-19-2016, 01:19 AM
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Originally Posted by GMCtrk
370
S480 with race cover
Stock heads and intake
I think you missed the 408 part
Old 03-19-2016, 08:46 AM
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For only 900 rwhp goal a stock strong rod with a JFR cam will do it with studs and gaskets
Old 03-19-2016, 09:20 AM
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https://www.performancetrucks.net/fo...inside-542740/

408 stock heads prbly get to the 1k mark if it they push it
Old 03-19-2016, 09:30 AM
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Parish in 2006 did over 1000 on a 408 with stock heads on pump gas........
Old 03-19-2016, 09:44 AM
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Originally Posted by George C....
Parish in 2006 did over 1000 on a 408 with stock heads on pump gas........
That was 10 years ago and way ahead of the game back then we have come a long ways


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