Tony Doukas Racing

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Clutch

There are so many different clutch designs so I will cover just a few that...
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Dyno Testing

To test any engine on performance and compare results between dyno runs a strict data...
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Crankshafts

Below is only a small part of the overall knowledge and documentation of crankshaft related...
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RZ 350 Crankcases

TDR now has available Sand Cast, Die Cast, and Billet versions of the RZ 350...
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Reed Valves

Reed Valves & Modifications Tony Doukas Racing has been Marketing reeds worldwide since 1980. We...