Hey guys this is my 89 GMC jimmy, it has a 4.3l vortec V6. We plan on building a 383 sbc. 456 gears and a 176 low power-glide with trans brake. racing 4000 stall converter, so we can leave like a scud missile on Boosters!!! with a 100 shot of nos for your viewing pleasure! so when we get it done if you want some just let us know!