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TT and NA Gearbox Differences?

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Old 01-29-2006, 09:00 PM
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TT and NA Gearbox Differences?

According to the workshop manual the two manual gearboxes have the same ratios, the only apparent difference is that the TT box holds more oil.

Is this the only difference? How do you tell the difference between the two externally?
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Old 01-29-2006, 09:05 PM
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Bell housing, the BEll housing on N/A is smaller.

-Juanton
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Old 01-30-2006, 01:07 AM
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Thanks Juanton, anything in particular that can be ID'd without putting two side by side?
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Old 01-30-2006, 11:18 AM
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a trained eye...other than that there isnt anything that i know that sets the two apart. sorry.
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Old 01-30-2006, 07:45 PM
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OK thanks, thats a help anyway
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Old 02-01-2006, 06:16 AM
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The bell housing difference is the only thing different. Both bell housings are the same bolt pattern and will bolt up to either NA or TT motor. But the TT has a larger diameter flywheel than the NA. THus, when bolting a TT tranny to a NA, you will need to grind down some metal unless you also add a TT flywheel. Am i right on that guys? THat is what i have understood, and it seems logical.
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Old 02-01-2006, 08:47 AM
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Originally Posted by WhtFairLadyZ
The bell housing difference is the only thing different. Both bell housings are the same bolt pattern and will bolt up to either NA or TT motor. But the TT has a larger diameter flywheel than the NA. THus, when bolting a TT tranny to a NA, you will need to grind down some metal unless you also add a TT flywheel. Am i right on that guys? THat is what i have understood, and it seems logical.
yep thats exactly right
check out page 4 of this
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Old 02-01-2006, 01:20 PM
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for htat being the only difference dont you think nissan wasted alot of design and manufacturing money doing that? i mean im not seeing a great reason for doing that between the 2 am i missing some logical explination?
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Old 02-01-2006, 03:38 PM
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Supposedly something to the effect that the NA clutch wont handle the power of a TT engine was what I was told. I dont see why they didnt jsut use the same flywheel and just change the clutch material or the clamping force with the springs. I think it is retarded myself.
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