Re: Increase in cub power

Posted by brianh on July 09, 2004 at 06:42:10 from (69.48.41.2):

In Reply to: Increase in cub power posted by jdboy1 on July 08, 2004 at 19:32:49:

Some time ago there was an article in Red Power about a guy that claimed he had "souped up" several Cubs. I believe the things he said he did were: 1. Bore the cylinders out to .060 over, which was the largest stock piston you could get; 2. Bored out the main jet in the carb; and 3. Bored out the passages in the intake manifold. I don't remember how much he said he got from these improvements, but it was significant. You can also get a high-altitude head for it, which would help also. I don't remember what year/serial # it took place at, but the later Cubs ran their engines faster (1800 RPM vs. 1600?) that also increased the power. Brian

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