Quote:
Originally Posted by ProjectZL1
Check this out, we did testing on TB's and saw that the stock tune closes the throttle body partially starting somewhere close to 3000 - 3500 rpm and gets down to 68% closed on even the stock TB to about 5000 rpm where it lets it go back to 100% open. I assume with a tune alone you could pick up 75 hp in that RPM range if you can stop the TB from partiality closing. I would not worry too much about peak gains at the top of the RPM range when you only spend a second or two. You want the power increase from 3000 - 3500 to 5000 where you spend a lot of time while driving.
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Yours was the exact thread I was thinking about when I posed the question.