- Joined
- Feb 29, 2012
- Messages
- 1,582
- Reaction score
- 8
- Location
- SoCal
- My Car
- 73 Mustang Convertible
Born an I-6, spent the teenage, 20 and 30 years as a 302, but at 40 will reach full potential as a 351C.
I have a pair of primo 4V exhaust manifolds. Exhaust holes are currently 2".
Has anyone opened them up to 2 1/4"? Sure looks like there in enough meat on them.
Has anyone opened them up to 2 1/4"? Sure looks like there in enough meat on them.