head

Renegade

Member
Right now the 136 is pretty good and the 141 is very similar to a 109. Now that you can use shims the 111 and 124 will be pretty good but they are .320 deep and have to be cut about .040 to get cc's right.
 

Yakattack

Member
I don't think the 109 was ever the best...it was good all around...not the best...
So far we have had excellent findings on the little older jt 123 heads...
 
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