So Im not sure if this topic has been beat to death in the past, but what are the main differences in the Red, Black, and Green. Which one is more practical? Which one requires if any requires major modifications etc..? Just trying to learn about these, starting to save for next year but no clue really what im shooting for.
RoLLLLLy
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5,918 Posts
Murlo, that is with higher displacement right? And e-85?Here is my overlay of my Fpred vs Fpblack. Both on e85, black was on built motor, totally different head though. However both are great turbos.
My red as you can see was at 25psi just after 3600rpms.
![Image]()
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5,918 Posts
All depends on tune, but E-85 + fp green tuned reasonably aggressively can easily make enough TQ to throw a rod through your block.
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