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gearvendors overdrive

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Old Feb 24, 2009 | 03:49 PM
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alie-r's Avatar
alie-r
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gearvendors overdrive

hello
i will try to put a gearvendors overdrive on my "78 F250 supercab.
did anyone do this setup?
gearvendors told me that i need a 13 inches shorter driveshaft than the origional one.
can i use a driveshaft from a regular cab?
is this a bolt on kit or do i modify something exepted the driveshaft?

andre lier from the netherlands
 
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Old Feb 24, 2009 | 08:00 PM
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Alvin in AZ
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From: Gadsden Purchase
Originally Posted by alie-r
hello
i will try to put a gearvendors overdrive on my "78 F250 supercab.
gearvendors told me that i need a 13 inches shorter driveshaft than
the origional one. can i use a driveshaft from a regular cab?
andre lier from the netherlands
'75 155" F100SC 360FE+T18 u-joint to carrier bearing = 52"
'75 133" F150RC 360FE+T18 u-joint to carrier bearing = 27.5"

Ford. :)

Alvin in AZ
 
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Old Feb 24, 2009 | 10:16 PM
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This one came up on Ebay a few weeks ago. I don't remember what it sold for. As you can see it uses their tail housing & maby their tail shaft too. If it uses a different tail shaft the whole trans will have to come apart to put it in & you will have to have your drive shaft redone as well.

 
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Old Feb 25, 2009 | 12:06 PM
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From: Costa Mesa, CA
the setup will depend on what you are putting it in.

The GV I have here has a long adapter on the front for use with a 2wd c6. It uses a "coupler" of sorts that connects the splined tailshaft with the GV input shaft.

Coming out the back of the GV unit is a U joint with a slip shaft.

There are many different applications for these things and GV sells all sorts of adapters - so you can set it up in different ways.



To answer the driveshaft question - I would just have your driveshaft shortened the amount GV tells you. On a side note - their customer service seems to be prety helpful with any/all questions!
 
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