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Rockhopper V's Marks

General Tech Talk

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Rockhopper V's Marks

Post by Fathillbilly »

do any of you guys know the differance between the two T/F case gears, besides ratios

ie. do the rockhopper have a back lash eliminator?
are either straight cut gears on the low range set?

or any other info

cheers
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Post by RUFF »

What sort of vehicle are we talking here?
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Post by Fathillbilly »

TD42 GQ Patrol
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Post by big red »

mine is very quiet :)
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Post by Fathillbilly »

can you see any differance between the profiles of the gear teeth,

i cant make it out through the plastic :)
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Post by Wendle »

big red wrote:mine is very quiet :)


that is because they are in my car. I have a pretty recognizable coffee table :finger:

They whine a little more than the standard gears, but not enough to be noticeable unless you are listening for it.
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Post by Bitsamissin »

The input gear in the above pic does not look to have a backlash eliminator fitted but I think the Nissans have them fitted on the idler gear so there is constant tension between the input to idler and idler to low gear cogs. I know all GU sets from Marks from now on will come with them standard.
Either brands will not be straight cut as the noise would be unbearable.
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Post by MissDrew »

My rockhoppers are around 3 years old now and they whine LOTS when in 3rd or higher (in low range only of cousre). They have been the same since the 1st day I put them in.
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Post by Wendle »

Guts wrote:My rockhoppers are around 3 years old now and they whine LOTS when in 3rd or higher (in low range only of cousre). They have been the same since the 1st day I put them in.


My hilux ones were the same, I think they must be straight cut. I bought an exchange case already built so I never saw the actual gearset. But they were real noisy.

These GQ ones are maybe a tiny bit noisier than stock gears, not even noticeable. The ones in the pic are the new ones with the backlash eliminator.
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