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Can 47mm cam tower be bored to 49mm?
I'm building a 3.3L SS engine based on a 1978 SC 3.0. It came with 3 bearing cam towers and 906 cams with MFI which I sold to get a newer cam to go with a modern EFI system.
I picked up a pair of 4 bearing cam towers but unfortunately one of them is the 1 year only 4 bearing tower with the smaller 47mm bore for the old style cams. The other is the correct 49mm bore. I'm having trouble tracking down another cam tower and was wondering if I can just take the undersized cam tower to a machine shop and have it bored out to 49mm. Anyone see any issue with that?
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