Thorp Dirt Burners Hard Final Pinion Gear

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Coelacanth
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Thorp Dirt Burners Hard Final Pinion Gear

Post by Coelacanth »

I just scored this on the 'Bay...I hope I'm not mistaken, but isn't this comparable to the OT-76 Hard Final Pinion Gear? I confirmed with some searching that it's made out of steel.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rt=nc&nma=true&item=180613025566&si=xaMaBpiUoGBAeFm%252BBaxdYQUY1V4%253D&viewitem=&sspagename=STRK%3AMEWAX%3AIT

Part # 4738 info:

http://www.rcchopshop.com/thorp/thorp_manufacturing_rc_car_parts_list.html
Completed projects: CYANide Onroad Optima | Zebra Gold Optima | Barney Optima | OptiMutt RWD Mid
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Re: Thorp Dirt Burners Hard Final Pinion Gear

Post by bdrmbully »

nice final pinion there.
2nd place is just the 1st loser

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Re: Thorp Dirt Burners Hard Final Pinion Gear

Post by Mr. ED »

I noticed the wrong header on ebay also. It is for an optima and not optima mid indeed. Only question remaining : is it the correct pitch or is it for use with thorps smaller pitched diff...

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Re: Thorp Dirt Burners Hard Final Pinion Gear

Post by Mad Racer »

I have one too.

I got with a counter gear set all made by Throp/Dirt Burners.

The final pinion is the same as Kyoshos but a little heavier . Better Steel.
Vintage . Older is Better !!!!!!! Vintage At Boondal, Australia.
http://www.rctech.net/forum/australian-racing/548133-off-road-vintage-boondal.html

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Re: Thorp Dirt Burners Hard Final Pinion Gear

Post by Coelacanth »

Mad Racer wrote:I have one too.

I got with a counter gear set all made by Throp/Dirt Burners.

The final pinion is the same as Kyoshos but a little heavier . Better Steel.
As long as it's better than the craptastic aluminum stock gear, it's all good!
Completed projects: CYANide Onroad Optima | Zebra Gold Optima | Barney Optima | OptiMutt RWD Mid
Gallery - Coel's Stalls: Marui Galaxy & Shogun Resto-Mods | FrankenBuff AYK Buffalo | 1987 Buick GNX RC12L3

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Re: Thorp Dirt Burners Hard Final Pinion Gear

Post by Coelacanth »

Just a quick confirmation--received the gear today, it's an exact match for the stock OT-41 gear. It's made of steel however, and is significantly heavier than the stock aluminum gear. As OT-76 hard final pinion gears are few and far between (and expensive as heck when you find them), I'm pretty lucky I discovered this Dirt Burners unit!
Completed projects: CYANide Onroad Optima | Zebra Gold Optima | Barney Optima | OptiMutt RWD Mid
Gallery - Coel's Stalls: Marui Galaxy & Shogun Resto-Mods | FrankenBuff AYK Buffalo | 1987 Buick GNX RC12L3

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