Hello guys. I know there is some stuff about this in some threads from many years ago. But I have a beautiful 90 GSX with a brand new 6 bolt built fairly tough. Different intake similar to a Cyclone intake. Says EFI Multi on it. Stock crank, Wiseco pistons, Eagle rods. Stock head. HKS Delta...
My friend and mechanic reluctantly sold me his 1990 Mitsu Eclipse GSX w/ a rebuilt motor and some addons to beef it up some. A big 16g turbo. Custom exhaust eliminating the cat. Not sure of much else to beef it up but he did have plans. The motor just hit about 15k miles. He wanted to break it...