Thread
:
427-425hp w/GM 401 heads
View Single Post
12-06-2012, 01:22 AM
#
6
dahkahuna
Member
Join Date: Jul 2006
Location: san dimas , calif
Posts: 128
Likes: 0
Liked 5 Times in 3 Posts
Re: 427-425hp w/GM 401 heads
I see in the NHRA blueprint specs that when you use the 401 the 1.84 exhaust valve is the legal valve to use ........Ruler you were right , thanks
dahkahuna
View Public Profile
Find More Posts by dahkahuna