Author Topic: Adding power to opposed twin?  (Read 257 times)

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Offline ryanjames170

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Adding power to opposed twin?
« on: September 29, 2018, 02:43:54 PM »
what can a person do to a 42 CID opposed twin to add some power to it.. its currently a 17.5HP 42 CID.

how much power can be added with various mods ie exhaust, intake, porting, head work ect.



Offline BIG AL 202

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Re: Adding power to opposed twin?
« Reply #1 on: October 03, 2018, 11:34:41 AM »
My suggestion is look in the flathead briggs section. There is a lot of build information on the oppy. You may have to go back a ways.
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