Quote Originally Posted by 98GrandPrixIraqVet View Post
400 for a L67 with 100K seems decent. The gen5 is fine to use if you already have it. Some don't see any point in using the Gen5 when you could just spin the Gen3 harder. With E85 you can get away with a smaller pulley for sure but most importantly just scan it and make sure its clean with no knock.
That's what I heard, Gen V takes a larger pulley generally, but more power to be made with the Gen V in the end?

Quote Originally Posted by tms8582 View Post
I thought you had the Gen 3. A ported Gen 3 and a Gen 5 are about equal.
I don't have anything yet lol looking for an engine and looking to get this started.