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98 Posts
Discussion Starter #1
Hi there,

I'm actually rebuilding my rb26 from my '94 r32gtr.....

And I wanted to groove new flats on the crank drive collar for the oil pump

I've seen on the Motive episode concerning the crank improvement, that they radiuses the collar for a better improvement

do you know which radius size they use for that?

thanks for your help ;)
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