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Hi guys,

I recently purchased Peter K's Chicago-based SP63 hardtop. The car was built by SP and AEM tuned by Larry.

Can you please give me a suggestion on how much Psi is safe on 93 pump with the SP63? The car has all supporting mods (DLI, dual pumps, fuel system etc.). I'll be sure to run C16 for high boost but am not sure what is still safe on pump.

Thank you!
 

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I had a sp63 and never ran past 16psi on pump. But with the aem you will need to log and check your knock voltage because it depends on how larry set your car up, each car is different and will depend on your AFR, timing etc..... Do a few pulls and work your way up in boost checking logs between each run to be sure your safe. I'm sure Larry will chime in though since he did the tune and will have a good idea for ya.

Goodluck,

Mike
 
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