Boring 351C

horacecopeMember

What is the thinking these days for boring a 351c to +40 or even more. It used to be a big no no over here with the machine shops to not go more than +30 as the 351c has such a thin bore casting. People have reported increase temps and hot spots having gone over +30.

A friend of mine has a 4 bolt main 351c already at +30 but now has a bit of a lip. One machine shop are telling him they will bore it +40 as they have taken 351c to +60 without problems.

I have told him I'm not sure. What do you guys think especially George with his expert 351C knowledge

Cheers

9/13/1610:31 AM

Original Post

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