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Cannot find info on my CK 04 transmission

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Anovib:
Looking for specs and final drive numbers on my 73 Westy  code is CK 04

BUSDADDY:
5.37:1
http://www.thesamba.com/vw/forum/viewtopic.php?p=7668732#7668732

Anovib:
That's what I feared. 5.37 final keeps me off the highway.
What are my best options for converting or replacing this mountain climber

BUSDADDY:
What are you doing that 5.37 won't work, little tiny rollerskate wheels or something?
You can swap to a 5 rib 002 or 6 rib 091, they have a higher ratio, but you need the stroke and hp to compensate, a small motor will overheat due to the reduced cooling fan speeds. In a bus "freeway flyer" often means "freeway fryer".

pittwagen:
There is not that much difference in engine speeds with the various transaxles at say 60mph/96kph.

Using my gear and speed calculator,  stock height tires (25.8in) and stock North American gear ratio transaxles I get the following:

5.375 with .82 - 4th gear = 3444rpm  - typically found in 72 and 73 T2 bus and 1.7 engine
4.86   with .89 - 4th gear = 3380rpm  - 74 and 75 T2 bus and 1.8 engine
4.57   with .89 - 4th gear = 3178rpm  - 76 -79 T2 bus and 2.0 engine

Now these are stock setups.  If you are running a 2.0 with the 5.375 then you might want to consider the 4.57.  As well the 1.7 and 1.8 have a shorter stroke crank and don't mind the higher rpms.  I have owned both and never had a problem sustaining reasonable highway speeds.  FYI.

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