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Post by Deleted on Jan 14, 2010 8:04:57 GMT -5
am needing to up the compression on a 75 350 stock rebuild and have on hand a set of # 2 heads that if my math is correct would put me at 9.4 comp, I know that I need to widen the push rod holes 6 degress, is this a good move ?
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Post by Deleted on Jan 14, 2010 9:16:57 GMT -5
The compression ratio sounds about right. Those heads don't have the shaft rockers right? I have never seen anyone use 45* heads on a 39* sbo, but I'm sure its the same as a bbo. You shouldn't need to elongate the holes, just have them enlarged I believe.
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Post by Deleted on Jan 14, 2010 10:00:51 GMT -5
no my heads are non shaft and the push rod hole just need to be enlarged som and you feel this is ok to do?
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