Quote:
Originally Posted by ATL BRZ
http://www.ft86club.com/forums/showthread.php?t=62471
^Vishnu Tuning tested the BPBs with their stage 2 tune + header on 93 octane and didn't make any additional peak whp with the blocks than with the same tune without blocks; just shifted the power left to peak 500 rpms earlier and held on to more power to redline. Without a tune the blocks apparently make some peak gains.
Personally the blocks aren't worth the money and time to install since I'm running E85 most of the time and they cause significant top end power loss when tuned for E85: http://www.ft86club.com/forums/showt...81#post1693281
So if you want the strongest top end power while NA you might want to sell the blocks and put that money into a flex fuel kit to compliment a catless header.
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You said it right. This is why I am not happy. With BPB on E85 no benefit at all top end power... I am just gonna wait for final word from Shiv and decide. But as of now I'll take E85 tune with Doug any given day over BPB.
Taking it out won't be too bad since I know exactly what to do.