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Dr_GN

Frog Gearbox Upgrades

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All, I've been running my original Frog recently, and noticed the gearbox is a bit grindy. It also gets pretty hot after 10 minutes.

Any upgrades available?

Cheers.

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All greased up on the gears ? . Diff turning freely ? . Ballraced wheels and gearbox ?

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29 minutes ago, KEV THE REV said:

All greased up on the gears ? . Diff turning freely ? . Ballraced wheels and gearbox ?

Yup. Tamiya ceramic grease, ball raced as per standard. Diff seems fine.

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All standard in the gerbox. Had it from new - the car was well looked after - especially judging by some of the road kill I've seen on EBay.

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Pull out the motor and check the pinion , the alloy Tamiya stock kit ones can dissintegrate pretty fast . Tell tale signs are blackness / silver on the counter gear and pinion teeth . A steel pinion would be recommended and a good clean up of the gears

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The frog gearbox/diff will grind and click - it’s the biggest issue with that gearbox 

im working with a friend to design a brace to minimise it 

see the general section (monster beetle gear box brace)

JJ

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