Author Topic: triumph unit 350 to 500 conversion  (Read 4142 times)

Offline davidg

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triumph unit 350 to 500 conversion
« on: January 13, 2009, 12:55:36 AM »
hi new to this forum have a set of 350 triumph cases thinking of building a flat tracker using a b25 oif. any one done this.want to convert to 500 the stokes the same as 350 just larger bore any one know if the 500 barrels go in 350 cases?

Offline TBS

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Re: triumph unit 350 to 500 conversion
« Reply #1 on: January 13, 2009, 12:32:20 PM »
The cases and crank are common for both engines, but you will need 500 rods, pistons, head and barrels.

Offline davidg

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Re: triumph unit 350 to 500 conversion
« Reply #2 on: January 13, 2009, 04:22:44 PM »
thanks for that info iwas concerned that the bore being larger that 500 barrels wouldnt fit.cheers dave