Need help identifying an unknown t50
04-14-2015, 08:23 PM (This post was last modified: 04-14-2015 08:26 PM by ditn.)
Post: #1
Need help identifying an unknown t50
So i have weird t50 i opend and i dont know which one it is :s
Doenst seem to be a trd one since

mine:
[Image: AEU86 AE86 - Need help identifying an unknown t50]

original
[Image: AEU86 AE86 - Need help identifying an unknown t50]

I counted the teeth and i have

teeth counterteeth
1 28 15
2 29 22
3 27 28
4 23 33
5 21 35

did a ratio test but forgot values

i think

first is 2.6
and then 1.5 1.3 1.1
fifth 1

i think
Also i think there are spacers on the counter gear?

Anyone that can help?
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04-15-2015, 10:09 AM
Post: #2
Need help identifying an unknown t50
I can't help with who made it etc. but I can tell you that with a 4.778 final drive the ratios you quote will be almost perfect for rallying.
If you want to sell it then let me know !

cheers,
TC

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04-15-2015, 10:51 AM
Post: #3
Need help identifying an unknown t50
I can tell you that fifth can not be 1.0, 4th is always and only one with 1:1 ratio.
5th can be more or less, more often less.
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04-15-2015, 12:46 PM (This post was last modified: 04-15-2015 12:47 PM by ditn.)
Post: #4
Need help identifying an unknown t50
I know quaife made a fifth 1:1 gearset

Quaife ratios:

First Gear: 2.347:1
Second Gear: 1.733:1
Third Gear: 1.379:1
Fourth Gear: 1.144:1
Fifth Gear: 1.00:1

caterham/albins also i think

I know a bit more information now by asking arround
its a short ratio uk? gearset with 1ste straight teeth and other angled
i think all five are changed not sure,will recheck ratios tonight.

i have a rallycar and a 4.778 so for now i will hold on to it,i will you know if i would sell it.
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04-15-2015, 01:40 PM
Post: #5
Need help identifying an unknown t50
Than it is 3.5 gearbox, with shift pattern 1-2-3-5-4.
4th used as 5th and 5th used as 4th.
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04-15-2015, 06:20 PM (This post was last modified: 04-15-2015 06:22 PM by Project D.)
Post: #6
Need help identifying an unknown t50
given the teeth number:
1: 2.678
2: 1.826
3: 1.384
4: 1.000
5: 0.861
So, only the first and the second gears have been modified.
And by the look of it, especially the straight cut on the first gear, I would say that this is not from a kit.
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04-15-2015, 09:51 PM
Post: #7
Need help identifying an unknown t50
Yep thats correct,did ratios today and i cam to the same result +-
thanks for calculations.
Guess they were made locally somewhere which means i can make a spare set if needed Smile
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04-15-2015, 10:14 PM (This post was last modified: 04-15-2015 10:15 PM by totta Crolla.)
Post: #8
Need help identifying an unknown t50
(04-15-2015 09:51 PM)ditn Wrote:  Guess they were made locally somewhere which means i can make a spare set if needed Smile

Nope wrong, it means you can get a set made for me ! lol !

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04-15-2015, 10:24 PM (This post was last modified: 04-15-2015 10:46 PM by ditn.)
Post: #9
Need help identifying an unknown t50
Smile
i have no idea how much they will charge for 4 gears,depends on material i think.
Could make one then for you also.

But first i need to know what is different,do you think the syncromesh bearing etc etc would be normal.
So
1ste and counter
2nd and counter
would be needed to be made
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04-16-2015, 12:24 PM
Post: #10
Need help identifying an unknown t50
Looking at the fsm it seems that the counter gear comes as one complete unit.
Maybe that is the reason for the spacers on yours, can you change idividual gears on the counter shaft ?

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