Tranny Swap Question
07-22-2009, 05:00 PM
#3
I don't recall anyone doing this swap.
The six speed should bolt right in. The driveshafts are probably the same, the shift linkage might need to be changed.
I'm not sure about the final drive ratios. That would be the main thing to check.
The six speed should bolt right in. The driveshafts are probably the same, the shift linkage might need to be changed.
I'm not sure about the final drive ratios. That would be the main thing to check.
07-23-2009, 09:52 AM
#4
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Cool. I've been thinking about it lately during highway rides where I wished I had another gear to get my RPMs lower and save some gas.
07-23-2009, 10:00 AM
#5
That's why you need to check the ratios. In many cases, Audi just squishes the gears together and the five speed and six speed have the same top gear.
In the Miata, I considered going to a six speed, until I found out that the rpm's would actually be higher on the highway with the six speed.
In the Miata, I considered going to a six speed, until I found out that the rpm's would actually be higher on the highway with the six speed.
07-23-2009, 10:45 AM
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6-speed swap into 2.8?
Sound like a lot of work. IMHO doing this in a 4.2 give you a lot more reward for similar amount of work. And I think the fuel consumption will be similar to that of 2.8. Saw a 4.2 6-speed on Fourtitude, sweet...
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07-23-2009, 11:24 AM
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That's why you need to check the ratios. In many cases, Audi just squishes the gears together and the five speed and six speed have the same top gear.
In the Miata, I considered going to a six speed, until I found out that the rpm's would actually be higher on the highway with the six speed.
In the Miata, I considered going to a six speed, until I found out that the rpm's would actually be higher on the highway with the six speed.
I don't own a 4.2
07-23-2009, 01:26 PM
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Yup you can use a 6 speed and parts from a 2.7tt.
You'll need:
axles
rear diff
prop shaft
trans
possibly a flywheel...
You can also look at using alternative gear or a european trans from a TDI if you want numerically lower gears or earlier 01A transmissions if you want numerically higher gears it's all a matter of what your goals are.
You'll need:
axles
rear diff
prop shaft
trans
possibly a flywheel...
You can also look at using alternative gear or a european trans from a TDI if you want numerically lower gears or earlier 01A transmissions if you want numerically higher gears it's all a matter of what your goals are.