Curious if anyone has tried taking a late model 4d56 head with flush valves and put it on a 4d55 block? Hoping this would be a suitable way to lower compression so i can add a little more boost. Any information would be greatly appreciated!
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Curious if anyone has tried taking a late model 4d56 head with flush valves and put it on a 4d55 block? Hoping this would be a suitable way to lower compression so i can add a little more boost. Any information would be greatly appreciated!