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Paul Precht · 05-28-2014, 09:07 PM

I'm just wondering why so much clearance is needed, I run barely over .002" on BB Chryslers. My buddy was running 3.5-4 on his blown alcohol hemi drag boat with 70 weight oil, that I understood.

05-28-2014, 09:07 PM	#15
Paul Precht Senior Member Join Date: Dec 2001 Location: Elysburg, Pa Posts: 733 Likes: 361 Liked 327 Times in 121 Posts	Re: Crank polishing I'm just wondering why so much clearance is needed, I run barely over .002" on BB Chryslers. My buddy was running 3.5-4 on his blown alcohol hemi drag boat with 70 weight oil, that I understood.