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Tim Lisson · 03-13-2014, 09:45 AM

"big base circle" and 55MM tunnel is two completely different items. I think the person who started this post is referring to modifying his block for 55mm camshaft.

03-13-2014, 09:45 AM	#6
Tim Lisson Member Join Date: Aug 2003 Location: Solon Springs, WI Posts: 166 Likes: 0 Liked 0 Times in 0 Posts	Re: big base circle cam in stock elem. "big base circle" and 55MM tunnel is two completely different items. I think the person who started this post is referring to modifying his block for 55mm camshaft.