Quote Originally Posted by glennsexton View Post
You may want to contact the guys at Pro-Gram (330)745-1004. All they do is main caps. Pat may have some experience with the Pro-Gram people or others. I think it's a pretty precise operation and can be spendie if you're paying the full boat for the machine work.

http://www.pro-gram.com/index.jsp

Good luck with this and be sure and let us know what you decide.

Best Wishes for a Happy and Prosperous New Year,
Glenn
yes done wrong you can ruin a good block by drilling in to the oil galley or just drilling deeper then you need as well as not having the rear thust line up if you going 4 bolt all the way you need someone thats done bbc. i never used the cheap caps from china i send out for line bore till i find one i can afford some guys will not line bore a block with cheap caps on them they say the cap steel can have hard spots in them .the programs are the ones to get but in the long run playing with all this stuff$$ your better buying a new block and get the 4.500 bore i bet it would not be more then1500 for the up grade you know you want a 540 any ways