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Location:
Sydney
Registered:
May 2002
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Working out Gear Ratios
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Sat, 14 June 2003 08:16
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Ok ive pulled apart my T50 for a good clean and service, and was curious as to what the auctual ratios are, as i was told when i bought the car they were not standard, so how do i work it out ??
Help Appreciated
Ben
AE86 Trueno 4AGE
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Location:
Perth
Registered:
May 2003
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Re: Working out Gear Ratios
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Sat, 14 June 2003 12:33
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Painstakingly count the number of teeth on each gear. For each set of meshing gears the ratio will be (output number of teeth / input number of teeth) which will give you some ratio as to one eg for first this maybe 3.2:1
For each gear (1st, 2nd, etc, except 4th) the drive will pass through multiple gear sets. To find the equivalent of a number of meshing gears, multiple the ratio of each set together.
Unless of course someone can identify the gear sets that are in there.
Have fun counting, 
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Club Member
Location:
sydney
Registered:
May 2002
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Re: Working out Gear Ratios
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Sat, 14 June 2003 23:13
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some gear sets have stamps, you may have to give them a good wipe to find the stamp though
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Location:
Sydney
Registered:
May 2002
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Re: Working out Gear Ratios
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Sun, 15 June 2003 08:20
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Ok after some seraching i have got it worked out,(thanks to Bill's site)
my gearbox ratios are as follows
1st = 2.62
2nd = 1.891
3rd = 1.384
4th = 1:1
5th = 0.861
Which is the same as the TRD gearset
Michael the only numbers on the gears are 22 92 which is on all the gears that i can see so im assuming that is batch number and build date
Ben
AE86 Trueno 4AGE
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Club Member
Location:
sydney
Registered:
May 2002
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Re: Working out Gear Ratios
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Sun, 15 June 2003 09:55
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Pleased to hear the sets what its supposed to be 
I was going to say that i have a T50 allready semi split if you want to compare, but sounds like youve got it sorted
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Location:
Sydney
Registered:
May 2002
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Re: Working out Gear Ratios
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Sun, 15 June 2003 22:41
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Is it just me or do some of the TRD Gears look semi helical??
Ben
AE86 Trueno 4AGE
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Club Member
Location:
sydney
Registered:
May 2002
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Re: Working out Gear Ratios
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Mon, 16 June 2003 11:13
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links not working for me
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