CLASS RACER FORUM - View Single Post - Which is the better combo 1970 454 or 1971 454?

Alan Roehrich · 08-20-2011, 09:22 AM

Adger, I was comparing the 1970 454/450 to the to the 1966-69 427/425. The two biggest differences, with iron heads, are the 0.240" more stroke and the 1.880" exhaust valve the 454/450 gets. The rest is very similar.

08-20-2011, 09:22 AM	#5
Alan Roehrich Veteran Member Join Date: May 2006 Location: Murfreesboro TN Posts: 5,116 Likes: 1,573 Liked 1,831 Times in 415 Posts	Re: Which is the better combo 1970 454 or 1971 454? Adger, I was comparing the 1970 454/450 to the to the 1966-69 427/425. The two biggest differences, with iron heads, are the 0.240" more stroke and the 1.880" exhaust valve the 454/450 gets. The rest is very similar. __________________ Alan Roehrich 212A G/S