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9" 3.5:1 gears

Started by _355lxss_ , Nov 03 2006 04:02 PM

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11 replies to this topic

#1 _355lxss_

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Posted 03 November 2006 - 04:02 PM

about to buy some new richmond gears for my 9" and was told their not that good as their nosier compared to motive or us strange? Is this true???? anyone recommend some good 9in gears to buy?

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#2 _LHoon_

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Posted 03 November 2006 - 04:19 PM

My richmond gears were fairly noisy.
I've also had genuine Ford gears, and they were perfectly quiet.
I've heard Motive gears are really good, and reasonably priced. That would probably be my choice.

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#3 _CHOPPER_

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Posted 03 November 2006 - 06:53 PM

I've heard from a couple of sources that Motive gears can be noisy. Some are, some aren't. US Strange are apparently quiet. I don't have a 9" yet, so I couldn't personally tell you.

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#4 _LH SL/R 5000_

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Posted 03 November 2006 - 10:02 PM

I had 3.5 Richmond gears in my old 9", could say they were noisy as all I heard was the exhaust.

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#5 _Chamois hatch_

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Posted 04 November 2006 - 11:18 AM

what are the prices for motive/richmond gears? and where do you get them from?

would be nice to know

cheers

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#6 _v8slrtorana_

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Posted 04 November 2006 - 12:31 PM

From my research, if you want perfectly quiet gears, like in a brand new car, then you have to spend the big $ and buy genuine ford, or get 2nd gears relapped by someone who knows what they are doing, or then 3rd choice, go aftermarket.
Try www.vpw.com.au for online pricing.

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#7 Struggler

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Name:Andrew or AJ
Location:Canberra A.C.T.
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Posted 04 November 2006 - 01:13 PM

Motive are the cheapest but if you want them quiet they MUST be lapped before use.

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#8 _CHOPPER_

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Posted 04 November 2006 - 01:23 PM

I'll be using Motive for the drag car. Saves me about $200 and I won't hear the noise unless I hook up a muffler, which is unlikely.

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#9 _Chamois hatch_

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Posted 04 November 2006 - 08:14 PM

just for the un initiated what does lapped mean, and where can it be done, costs involved etc.

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#10 _v8slrtorana_

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Posted 04 November 2006 - 10:42 PM

Lapping the gears is basicly a reface, like um, decking the head so its true.
Its required for the gears to mesh correctly, or they may toe in or out and wear, like your tyres.

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#11 _LH SL/R 5000_

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Posted 04 November 2006 - 11:19 PM

Shimming is used to set the correct mesh (contact area between the gear teeth), lapping makes the contact surface uniform, ie it removes the peaks in the surface.