Quote:
Originally Posted by GrabTheWheel
Yep. Mine were both standard compression because I was almost always running E85. You were smart to lower compression. My other suggestion would be to shift at 7K. Neither were making big power at all. I was just shooting for 400 plus WHP supercharged but never even got close. First set up was on a Rotrex and I quickly learned you cannot make big power with a C38 on an FA20, don't care what anyone else tells you. That engine blew on the dyno after a very gentle 3K mile break in on less than a bar of boost.
2nd engine was on a TVS1320 on the standard pulley on E85 so like 330 WHP and blew after only 1K miles. I've been close to giving up on the platform many times but always come back to it because of how well it fits me and the analog feel. There will never be another new car that's as back to basics as the 86 and I love that about it. Finally made the call to eliminate arguably the 2 biggest weaknesses of the platform the engine and transmission. I know it will hardly be an 86 anymore but steering feel and handling characteristics should still remain intact.
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Thats actually almost unbelievable how quickly your engines blew. I would expect a non built fa20 to last a lot longer with either of those set ups. Do you know what let go both times? I hope you finally achieve piece of mind with your engine swap, if anybody deserves it, its you.
Cheers brotha.