JackbNimble
Well-known member
I have a '90 GGSX that the rings are starting to go bad on. I found a 7 bolt 4G63 engine for a decent price and was wondering if I were to do an engine swap what would need to be done to get it to work with my car. I know the 6 bolts are better because they don't have crankwalk, but would that really matter as my car is all stock and I don't intend to do any major performance mods? Thanks in advance!