difference between blocks

[quick 6 zack]

What is the difference between the 85 and the 87 (109) block ? I know the oil passages are better in the 87 block. are they as strong as the 87. I`m planning for 10 sec e.t`s and 600 hp new to the turbo buick world .thanks guys

 

[sweetv6]

I think it can help

http://www.gnttype.org/techarea/pictureguides/blocks/blockguide.html

Claude

 

[quick 6 zack]

thanks man bad ass site