91 chevy 350/305 swap

I swapped my blown up 305 with a used 350. Do I need to change the prom? Local Chevy dealer says no, but some mechanic friends say yeah. I don't know. Do you? Thanks

Reply to
farmerboy
Loading thread data ...

well, how does it run ?

Reply to
Gary Glaenzer

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.