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volvofan94 Samba Member
Joined: April 04, 2022 Posts: 13
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Posted: Sun Dec 04, 2022 2:16 pm Post subject: VW Buggy Transmission on Opposite Day |
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Hey All,
My Buggy project has come along nicely, but ran into an issue with my transmission where reverse gear moves the car forward and the forward 1-4 gears move the car backwards. It’s Opposite Day!
How do I fix this? I’m hoping the transmission doesn’t need to be removed, but at this point it’s wishful thinking. No grinding when selecting gears and the shift linkage underwent a complete overhaul. When the car moves I don’t hear grinding noises in either direction.
The transmission is a swing axle and I removed material from the bell housing to fit an engine from a 1970 Beetle (6v to 12v flywheel conversion).
Thanks! |
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jsturtlebuggy Samba Member

Joined: August 24, 2005 Posts: 4360 Location: Fair Oaks/Orangevale, CA
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Posted: Sun Dec 04, 2022 2:31 pm Post subject: Re: VW Buggy Transmission on Opposite Day |
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It sound like ring gear has been flopped to other side of pinion.
With a VW type 1 transaxle this was done to use a reverse rotation engine such as a Corvair.
VW also did this with Bus transaxles that used reduction boxes.
What this history of the transaxle?
Fixing it requires disassembly of transaxle. _________________ Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960 |
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67rustavenger  Samba Member

Joined: February 24, 2015 Posts: 8310 Location: Oregon
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Posted: Sun Dec 04, 2022 3:53 pm Post subject: Re: VW Buggy Transmission on Opposite Day |
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jsturtlebuggy wrote: |
It sound like ring gear has been flopped to other side of pinion.
With a VW type 1 transaxle this was done to use a reverse rotation engine such as a Corvair.
VW also did this with Bus transaxles that used reduction boxes.
What this history of the transaxle?
Fixing it requires disassembly of transaxle. |
Totally agree.
I had a high school mate that had his Baja trans rebuilt.
The builder installed the R&P on the opposite side.
Result? 1 forward and 4 reverse gears.
The mechanic fixed it in a day. _________________ My stolen car and recovery story,
https://www.thesamba.com/vw/forum/viewtopic.php?t=761967
There's never enough time to do it right the first time. But there's always enough time to do it thrice.
GFY's Xevin and VW_Jimbo!  |
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Glenn  Mr. 010

Joined: December 25, 2001 Posts: 74348 Location: Sneaking up behind you
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Posted: Sun Dec 04, 2022 3:55 pm Post subject: Re: VW Buggy Transmission on Opposite Day |
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Yup... it was setup for a mid engine. So by putting it in a rear engine car you need to flip the diff/ring gear.
Not as easy as it sounds. _________________ Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009 |
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oprn Samba Member

Joined: November 13, 2016 Posts: 10220 Location: Western Canada
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Posted: Sun Dec 04, 2022 4:58 pm Post subject: Re: VW Buggy Transmission on Opposite Day |
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Or it was rebuilt for a split window Bus or VW Thing... _________________ I never finish anything, I have a black belt in partial arts! |
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Glenn  Mr. 010

Joined: December 25, 2001 Posts: 74348 Location: Sneaking up behind you
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Posted: Sun Dec 04, 2022 5:07 pm Post subject: Re: VW Buggy Transmission on Opposite Day |
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oprn wrote: |
Or it was rebuilt for a split window Bus or VW Thing... |
Did Things have RG? _________________ Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009 |
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jsturtlebuggy Samba Member

Joined: August 24, 2005 Posts: 4360 Location: Fair Oaks/Orangevale, CA
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Posted: Sun Dec 04, 2022 6:07 pm Post subject: Re: VW Buggy Transmission on Opposite Day |
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VW Things Type 181 in USA only, in 1973-74 had IRS rear suspension.
The Type 181 Safari made in Mexico and sold outside the USA came with swingaxle and reduction boxes. _________________ Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960 |
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volvofan94 Samba Member
Joined: April 04, 2022 Posts: 13
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Posted: Sun Dec 04, 2022 10:17 pm Post subject: Re: VW Buggy Transmission on Opposite Day |
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jsturtlebuggy wrote: |
It sound like ring gear has been flopped to other side of pinion.
With a VW type 1 transaxle this was done to use a reverse rotation engine such as a Corvair.
VW also did this with Bus transaxles that used reduction boxes.
What this history of the transaxle?
Fixing it requires disassembly of transaxle. |
I agree with you too, thanks for the suggestion! Honestly, until I saw your post, I forgot the seller mentioned already converting the transmission to run a Corvair engine when I purchased the Buggy. My plan was to run my VW engine, so I didn’t give it a second thought. Lol.
Now to get the transmission repaired to work with my VW engine. Appreciate everyone’s help!
Thanks! |
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