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Re: Close Ratio Gearbox for A series race engine
No life (a.k.a. DattoMaster)
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2002/6/14 7:24
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The input gear on the cluster looks completely shagged

Posted on: 2008/5/17 0:16
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Re: Close Ratio Gearbox for A series race engine
Home away from home
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From Beautiful Sunny (sic) Melbourne
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soon to be replaced with a new pair of gears. the input shaft gear and matching gear on the cluster are standard gears

Posted on: 2008/5/17 6:24
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Re: Close Ratio Gearbox for A series race engine
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Quote:

denuto wrote:
soon to be replaced with a new pair of gears. the input shaft gear and matching gear on the cluster are standard gears


Very nice (apart from the damage obviously).

I think 60L would be good but wouldn't be fussy. Is this 60A?

Those ratios aren't quite as close as the Option 2 56A I've been using but sound good. What engine is it behind and how has it handled?

Should be relatively straight fwd to replace the damaged gears given they're standard. What caused the damage - failed bearing or??

Posted on: 2008/5/17 11:29
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Re: Close Ratio Gearbox for A series race engine
Home away from home
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It's a 60A. I bought it in its present condition. Don't know what happened to it. Bearings seemed OK, but the front of the cluster had snapped off. Maybe that's what caused the damage or maybe one of the gears failed or maybe there was something floating around in the gearbox that got picked up in the front pair of gears?? It was in a 1200 coupe running in Under 2 litre Sports Sedans with a 1600 injected A15. Nice looking car and I've seen a pic of it on here somewhere a long time ago. Think it belonged to a member. I haven't had it in a car, but I'm looking forward to driving it. It's going into a 1000 coupe behind an A14 replacing the 60L dogleg that's in there now

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Posted on: 2008/5/17 12:19
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Re: Close Ratio Gearbox for A series race engine
Home away from home
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Quote:

denuto wrote:
I bought it in its present condition.


Now that I see the broken end on the countershaft I recall seeing it on here (or a link to ebay or similar). It would have taken some considerable force to snap that end off or perhaps welding the gears to the other end buggered the temper in the steel.

I'd actually have thought it would split the front of the (alloy) gearbox case before snapping that off assuming something went through the gears to cause this. How's the condition of the bearing housing in the gearbox casing?

Posted on: 2008/5/18 11:22
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