AirSpeed VW Community Forums
Technical => Transmission Forum => Topic started by: egspot on February 24, 2006, 06:16:08 AM
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What is the process of changing a 64 or 66 trany to t-4, 4.12@p,.082 4th gear?
Who does this kind of work?
Emilio
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What is the process of changing a 64 or 66 trany to t-4, 4.12@p,.082 4th gear?
Who does this kind of work?
Emilio
The first step is to get yourself a 71-72 DSC IRS trans, or a 71 or later swing axle. Call up Airspeed, I think they have a few cores like this.
If your existing core has O-ring type side covers, it will provide all the parts needed to convert the IRS trans to swing.
To get a .82 4th gear, you need to find one in a 68-71 Bus trans. I don't know if all those years come with a .82, but at least 2 versions exist in those gearboxes.
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68 bus trannys with the bolt on side covers have a lower ratio than the mid 69-71 style, I dont know if it's the gears that are different or the final drive but a 68 turns alot faster on the freeway than a 71. 72's even slower.