I went with East Coast Supra. I have one of their t-shirts, so I had to justify it.:headbang:
I’ll tell you who NOT to go with: Automodz. They ghosted me when I paid for a set of CF paddles.
This is an excellent example of what seller reputation and credibility are about. I mean if Zack put one of his used microfiber towels up for sale, I’d jump on it and pay twice what it cost new. But that’s me.
Zack is right…however, in my case, with a Payn tune for 93, what I see while logging is that a 5 to 1 ratio of 93 to E85 results in 0 knock retard, whereas running 93 Shell V Power alone results in pulling timing of minus 2 to minus 3.5. So, by getting my KR to 0, I pick up somewhere between 1...
Here’s a useful calculator:
https://www.tuneplusinc.com/pages/tuning-tools
You’ll want to take into account the fact that e85 is rarely 85%, especially given differences between summer and winter blends, regional disparities, and differences between vendors. The “e85” I put in is right now...