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herbjr · 03-23-2010, 10:05 PM

Well I can tell you a 360 racer had 3 sets of heads that stock were all big. UNTOUCHED. The specs may be off a little. Core shift is the problem.

03-23-2010, 10:05 PM	#7
herbjr VIP Member Join Date: Apr 2005 Location: Greensboro NC Posts: 1,027 Likes: 1 Liked 83 Times in 32 Posts	Re: 1972 Dodge j/sa Well I can tell you a 360 racer had 3 sets of heads that stock were all big. UNTOUCHED. The specs may be off a little. Core shift is the problem.