4 bolt main caps

[92Typhoon1679]

I have just recently purchased a 4.3L block freshly bored out .30 over i want to convert the block to 4 bolt mains some people say i have to have a alignment bore done after i have the 4 bolt mains installed is this true or can i just have to 4 bolt mains done without another alignment bore.?

 

[bezerk]

you need the alingment bore.

 

[JSM]

some people say i have to have a alignment bore done after i have the 4 bolt mains installed

Stay VERY far away from those that DON'T think it needs to be done as they shouldn't be allowed to even talk to you.