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DubNutZ72
Samba Member
Joined: March 28, 2012
Posts: 1
Location: Central Ny
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 Posted: Sat Apr 28, 2012 6:05 pm Post subject: TDI 72 Supper... transaxle gears? |
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i am in the middle of putting togather my 72 supper bettle "TDI" 1z/ahu... i want to buy gears for a stock irs case.. or a 002 bus case. i have 3 irs transaxles and 1 002 bus from 72 bus. i dont know the proper gearing and such that ill need, but i would assume the people selling the gears can help with that? im a noobie to the site and aircooled vw transaxles... any help with info on what gears to use would be helpfull...
btw: my engine is a 97 tdi running a 12mm mechanical injection pump... .205 injectors... fully ported and polished head... and eventualy a bigger turbo... looking for around 200 hp and 300's in torque????... |
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raygreenwood
Samba Member
Joined: November 24, 2008
Posts: 4934
Location: Des moines Iowa
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| Posted: Sat Apr 28, 2012 6:18 pm Post subject: Re: TDI 72 Supper... transaxle gears? |
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| DubNutZ72 wrote: | i am in the middle of putting togather my 72 supper bettle "TDI" 1z/ahu... i want to buy gears for a stock irs case.. or a 002 bus case. i have 3 irs transaxles and 1 002 bus from 72 bus. i dont know the proper gearing and such that ill need, but i would assume the people selling the gears can help with that? im a noobie to the site and aircooled vw transaxles... any help with info on what gears to use would be helpfull...
btw: my engine is a 97 tdi running a 12mm mechanical injection pump... .205 injectors... fully ported and polished head... and eventualy a bigger turbo... looking for around 200 hp and 300's in torque????... |
Wrong forum actually....this woukld probably be better underwatercooled cars and other VW's. It would actually be best for that level of engine to be on the VW Vortex forums and not the Samba. But it sounds fun! Ray |
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modok
Samba Member
Joined: October 30, 2009
Posts: 8621
Location: Colorado Springs
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| Posted: Sat Apr 28, 2012 6:32 pm Post subject: |
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Diesels usually turn lower rpms than gasoline engines, so the gearing is usually higher.
Since you will be using higher gears the bus case is no good, you want the SSC bug case, BUT maybe with the bus fourth gear in it. |
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Bruce
Samba Member
Joined: May 16, 2003
Posts: 14428
Location: Honduras
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| Posted: Sun Apr 29, 2012 11:21 pm Post subject: Re: TDI 72 Supper... transaxle gears? |
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| DubNutZ72 wrote: | | i have 3 irs transaxles .. |
Locate the trans codes and post them here.
For a low revving diesel, use tall gears. A SSC IRS gearbox with an aftermarket 3.44 R&P will probably be your best bet.
The Bus 'boxes are geared way too low.
_________________
| Glenn wrote: | | ..... and like them better than Bosch. |
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