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Doing some Port work on 4X heads
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07-26-2021, 07:23 AM
67Fbird
Senior Chief
Join Date: Mar 2021
Location: GA
Posts: 465
the DEAD valve was a 5.2 long Ferrea.....dual springs 120 seat 340 over the nose FTH ....
Yeah I figured since the chambers were "raised" I would not get as much short turn length on these...
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