Is it still t-50 ?
03-29-2013, 01:09 AM
Post: #1
Is it still t-50 ?
Hi Guys
I need help with gearbox identification.

The gear set looks like this:

1) 26/16 x 26/18 [2.347:1]
2) 24/20 x 26/18 [1.733:1]
3) 21/22 x 26/18 [1.379:1]
4) 19/24 x 26/18 [1.144:1]
5) 18/26 x 26/18 [1.000:1]
R) 17/14 x 33/17 x 26/18 [3.405:1]

My question, is it still t-50 or maybe some other high-performance model ?
My investigation shows that this is just addon set to t-50 from British manufacturer Quaife - Could You please confirm ?
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03-29-2013, 01:13 AM
Post: #2
Is it still t-50 ?
it is the dog box for rally/race car, not for a street car
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03-29-2013, 01:50 AM
Post: #3
Is it still t-50 ?
Great ratios! Thumbs up!
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03-29-2013, 11:45 AM
Post: #4
Is it still t-50 ?
Thanks for the quick response, but I need to ask for more precise answer.
In other words is this "dog box for rally/race car"still t-50 ?
Or is this variant signed in quite different way ?
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03-29-2013, 11:59 AM
Post: #5
Is it still t-50 ?
It is A T50 casing, but all the internal are replaced with straight cut gears.
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03-29-2013, 12:14 PM
Post: #6
Is it still t-50 ?
OK thanks Mate

Now I wonder, do we know the max torque(and at what rpm) will this box handle ?
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03-29-2013, 04:06 PM
Post: #7
Is it still t-50 ?
it run on needel bearings so 10k but center line between axels are stille satandard so around 250hk it is safe for a 1600ccm NA
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03-30-2013, 10:05 AM
Post: #8
Is it still t-50 ?
Ok thanks.
I have two more requests:
1) Could You please give me math formula to convert hk to nm
2) Where do You get this information ? Maybe You have some sort of service manual ? Because my is very poor when it comes to such data.
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04-05-2013, 02:08 PM
Post: #9
Is it still t-50 ?
Rene are U still with us ?
I read TRD SE Bible and Toyotas SM, I found very,very little there on this topic. That's why I'm asking if there are any other items ?

Heading back to the hk unit, I found several different mathematical formulas:

- hk=(nm*rpm*Pi)/30000*1.36
- hk=(nm*rpm)/5252
- hk=kw*1.36

It looks quite inconsistent for me, probably I dont know something about it.
All websides were in foreign languages ​​to me. I suspect that maybe "hk" is referred to the power unit - Is that correct ? Swedish maybe ?
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04-05-2013, 02:42 PM
Post: #10
Is it still t-50 ?
If it was in Swedish then yes HK (Hästkrafter) is HP (Horsepower). Smile
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