Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 1972 pontiac lemans 350 build
View Single Post
  #11 (permalink)  
Old 02-19-2013, 02:22 PM
V8&4spd V8&4spd is offline
Registered User

Last journal entry: Paint
Last photo:
Join Date: Sep 2010
Location: USA
Posts: 819
Wiki Edits: 0

Thanks: 0
Thanked 11 Times in 11 Posts
Originally Posted by MouseFink View Post
I prefer to think the reason 48 heads were used on the 1969 Pontiac 350 was because of the "me too" sales policy. The "me too" sales policy was to compete with the 1969 Chevy Z28 on the showroom floor. The 48 heads are some of the best heads you can use but only on a 400 or 455 engine.

All successful performance engines are "over-square", meaning, the bore is larger than the stroke. I cannot think of one thing a Pontiac 350 engine would be good for except for fish structure. You cannot even bore a Pontiac 350 engine so it will accept high performance heads. The "under-square" (small bore) of the Pontiac 350 severely limits its RPM potential.

There may be a rare occasion that a Pontiac 350 engine will be competitive at the track but I don't see how they can be compared to a Chevrolet 350 "over-square" engine.
Don't forget the cost to build a Pontiac 350 verses a Chevy 350. What would you do with it? It's not a collectors item. Scrounging parts for a Pontiac 350 is a lost cause.
Reply With Quote