CLASS RACER FORUM - View Single Post

John Lang · 10-06-2008, 03:31 PM

If you check the years of the 383's as in 67 and 68's the exhaust valve changed from a 1.60 to a 1.74 , with a change in the cyl head # from a 916 to , i forgot the # for 68 - 70 head. I guess that is whats known as a senior moment!.....John............. It's back, it;s a 906 Head

10-06-2008, 03:31 PM	#9
John Lang Member Join Date: Oct 2003 Location: Sheboygan Wi Posts: 391 Likes: 0 Liked 6 Times in 2 Posts	Re: Wheelbase/HP Relationship?? If you check the years of the 383's as in 67 and 68's the exhaust valve changed from a 1.60 to a 1.74 , with a change in the cyl head # from a 916 to , i forgot the # for 68 - 70 head. I guess that is whats known as a senior moment!.....John............. It's back, it;s a 906 Head __________________ John Lang 365 STK, SS