Re: Re: Re: Let's get the facts straight about str

Posted by riverbend on May 02, 2004 at 06:49:55 from (208.160.34.129):

In Reply to: Re: Re: Let's get the facts straight about straigh posted by Farmallkid on May 02, 2004 at 05:54:39:

The dyno will be a lot easier to use than the disk. If dyno time is inexpensive, try a run with the stock set up. You might have to adjust the main jet with the tractor under a load to get the max. power reading. Then try re-setting it with the straight pipe and see what you can get.

On some motors, if you can get the length of the pipe right, it will act as a resonator and help draw more charge into the cylinder, but that could be a lot of trial and error. There is a book on tuning intakes and exhausts for best performance, it could have been by Carrol Shelby or Philip Irving. They have a formula for calculating the length of the pipe.

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