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Discussion Starter #1
Just ordered my on3 kit this afternoon. Doing a whole new setup on the car. It’s still 347 boss block, putting on afr 185’s keeping the f cam. Compression is gunna be around 8.9:1 so I’m planning on spinning it 15-20 lbs of boost. What kind of numbers should I be expecting? Just looking for a fun street car maybe some track here and there
 

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As answered in Windsor Tech........

At 14-15 psi you should be able to double your output.

Theoretically, if you are at 350 horsepower N/A and add 15psi you should be 700 +/- horsepower if at 20psi you should be 810 +/- horsepower.

This all depends on correct fuel, intake temperature, exhaust flow at the downpipe, and other variables though it's pretty easy to get big numbers with boost in a V8.
 

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Discussion Starter #3
Ok thanks I would be happy around there
 

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Id say around 650whp through an auto somewhere around 15lbs through an auto and conservative timing if the echaust is pretty free flowing.
 

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Discussion Starter #6
Wow and that was with an on3 kit? I’d be very happy around 650
 
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