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33 Posts
Hey fellas!
So apparently i've done the impossible and tracked myself down an 8.5 rear end from a 71 skylark for my 70 Buick Skylark! With the bolt in axles!
Needless to say I'm overjoyed at my find, but I just wanted to get some clarity: How much horsepower will this hold? A regular 8.5 is said to hold around 500 tops if kept stock, but I have heard that the BOP rear ends can hold a fair amount more due to their construction. By the end of my build, I am planning to make 600 horsepower (gonna make 400 at first but in a few years I'm planning to upgrade to twin turbos. just doing the proper bits like piston ring gap and keeping the compression near stock until I get them). Will this differential hold up through my journey? I am throwing a posi from yukon gear into it as well.
best regards!
So apparently i've done the impossible and tracked myself down an 8.5 rear end from a 71 skylark for my 70 Buick Skylark! With the bolt in axles!
Needless to say I'm overjoyed at my find, but I just wanted to get some clarity: How much horsepower will this hold? A regular 8.5 is said to hold around 500 tops if kept stock, but I have heard that the BOP rear ends can hold a fair amount more due to their construction. By the end of my build, I am planning to make 600 horsepower (gonna make 400 at first but in a few years I'm planning to upgrade to twin turbos. just doing the proper bits like piston ring gap and keeping the compression near stock until I get them). Will this differential hold up through my journey? I am throwing a posi from yukon gear into it as well.
best regards!