Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: Optimal Dart head selection
Tony, I ran the dart cast iron heads on a 355 with the same cam setup. I later found I could advance the cam timing some 6 degrees and get more performance out of the motor that I felt the heads did. Of course I was running 373 gears on a 5 speed. I was running the xe 268 comp cam on solids.
To make your motor work, you will need to change your rear gearing to allow this motor or another motor to show its true potential . I would look at gearing first then tune the motor. Just my 2¢
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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