I’ve been patiently waiting to see the dyno numbers on my buddy’s engine that I did a set of heads for over the winter. This is the engine going in his Duster that my son has driven the last couple years. I really struggled to get these heads right with a 2.08 valve. Honestly I wouldn’t have gone over a 2.055 if I had know he was going to limit me to a .030 over 4.030 chamber size. (4.060). Even after all the extra hours I put into them he ended up with 2.055 flow numbers. This set of heads...
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