White powdercoated 4.5 Whipple crusher mint in box only 5500 dollars

tomshaze

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Pin to stay alive

Stock lower is the best in my opinion and mine was pinned not double keyed after all but I would never run any supercharged app without pinning or double keying


I know this is off topic but I can use the help. But I am doing a build with a 3.6 kb and built short block. Should I go after market lower or stay stock lower. Also from your experience would you double key crank and pulley?
 

12gt500

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Stock lower is the best in my opinion and mine was pinned not double keyed after all but I would never run any supercharged app without pinning or double keying


Ok I don't know what pinning the crank is. Since this post I purchased a 10% ati and I am double keying the crank to the pulley. The reason I bought one was because I plan on running 24-25lbs and I was told I needed a doubled key. And I couldn't see spending $500+ and not get any power out of it.
 

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