3 bolt or 4 bolt?

[spooky]

what do they mean by 3 bolt or 4 bolt turbos?
info is much apprec...........
JASON

 

[Reggie West]

Check out this website. PTE has some good pics that will illustrate better than I can write what the differences are.

http://www.precisionte.com

Click on Buick Products

Click on Turbochargers

 

[spooky]

thanks

this was an awesome site, thanks big time!