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Old 06-21-2024, 03:09 PM   #6
Cartravel
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Join Date: May 2010
Location: Larry Young, Tulsa, OK
Posts: 241
Default Re: New Stipe Camshafts

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I am one of the Tulsa guys that Bill talked about in the original post. About 25 years ago Fred Houston and Larry Sigworth did a study of Model T cams (published in Secrets of Speed in 1999) and concluded that available T cams had too much duration for a slow turning Model T motor. Only reground cams were available. When I got involved, it became obvious that reground T cams were never going to work because there is just not enough meat on a T cam to get an effective lobe. We considered regrinding A cams, or better, a new cam. We approached a few people about making new cams but were usually told that no one would pay for a new cam when regrinds were so much cheaper. Bill was the only person willing to risk the up front cost of setting up and making a batch of new T cams. We designed three new cams which we called improved stock, 280 super and Laurel-Roof. The first two were close to stock timing and duration. The third used the timing and lift of an antique performance cam. These were all new computer generated lobe designs. This whole project is documented at our club website - https://mtfctulsa.com/Cams.

The project turned out far better than expected (see testimonials page). Bill soon had competition from a supplier that earlier had been unwilling to make our cams. Now apparently we have someone doing a direct copy. There are no laws preventing it but it sucks when Bill was the one willing to take the plunge when no one else would. Also, unless you have the original numbers to work with a copy will never be as accurate as an original.
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