R/C Tech Forums - View Single Post - Helical vs. straight cut diff gears???.....
Old 05-27-2011, 11:48 AM
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megasaxon
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Originally Posted by johnny t
Race cars are straight cut.

WRONG

http://www.wintersperformance.com/Wi...%20Catalog.pdf

Dirt Latemodel and Sprint car rear ends have spiral cut gears too...
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