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Old 05-11-2009   #9
Polo-1
 
Join Date: Sep 2005
Location: Washington
Posts: 952
Default Re: Main bearing cap bolts

Quote:
Originally Posted by A26B View Post

He also went on to say that he was opposed to increasing the main bolt dia because of the possibility of encountering casting porosity during the bolt thread enlargement. It would be difficult to determine and would result in potentially catastrophic results.
Quote:
Originally Posted by flyin ryan View Post
I agree, need to have the meat in the casting first. If the surrounding material isn't there...
Also these are " formed " or " rolled " threads NOT cut threads. The blocks are threaded to the bottom of the holes.
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