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How much boost is safe to run on a T66 on 94 pump gas with a full fuel system supporting it? 720 injectors, dual intank pumps, rail, FPR etc..

I have it set to about 17 psi just for starters, but what can i turn it up to and be safe?
 
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I have run as much as 22 psi on a T78 on 93 octane(which is very close to a T66) but I think 14 psi as a lower limit and 18 psi as a high one would be safer. You can get away with more, but make sure that you have the car tuned correctly.

I have 850 cc injectors btw.
 

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Angel-
Thanks for the reply. Thats kinda the range i was thinking. I was going to set it up to run 18-19psi on 94 pump gas once i get it tuned. That should get me enough power to scoot around rather quickly.. :D
 
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