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Discussion Starter · #1 ·
How much PSI can I safely run through a stock 5.0 as long as its tuned correctly with fuel upgrade and whatnot.
 

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I would guess the breaking limit is somewhere around 25-35 PSI based on the power produced.

of course more than 15 PSI is going to lift the heads and push the gaskets out...
 

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Discussion Starter · #5 ·
I understand the blocks crack around 450-500. I was just curious about forced induction. I'm looking to supercharge soon.
 
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