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whats the maximum hp that a 6speed bpu+++ can make on pump gas some say 450rwhp while others say only 400hp. Also i know 18psi is the highest you should go with stock twins on pump but if your going for a long highway pull or driving for a long distance what psi should be pushing.
 

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heh...on pump gas, i cant remember seeing any higher than 415-420 although im sure there are some...these guys will probably either have aem or a vpc.

some people actually say the highest you should go on pump on the stock twins is 16. i use 18, but i only do bursts at that, normally im at 12.

above 450rwhp will usually have a vpc or aem on the stockers and 21psi and race gas.

with a good safc tune i think my car would make about 400-410rwhp on pump @ 18lbs.
 
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