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» Northern California Ford Owners     » Automotive   » Tech Talk   » rear end gear question?

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Author Topic: rear end gear question?
whitelx50
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I have a 1990 5.0 with an auto. what are the stock gear ratio in the diff?
Thanks.

Posts: 8 | From: Roseville | Registered: Feb 2006  |  :
SmokinLX
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273's if they are stock.

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Posts: 4388 | From: East Bay | Registered: Aug 2002  |  :
turbo50
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you can look on the door tag....if the car hasnt been molested.

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Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
BlowN67
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or mark the driveshaft an put a mark on the hub or wheel. an count hany time the driveshaft spins to one time around of the wheel.

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Posts: 9809 | From: Home of LARD | Registered: Mar 2004  |  :
HaulinAss Motorsports
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It can be a 2:73,3:08 or even a 3:27 with that year and trans combination.There is no standard gear.You can check the tag on the rear cover which will have ratio as well.It is the numbers located right near the cover bolt,you MAY need to remove it to read it.

It will have a Number such as 2,3 etc...followed by 2 letters and then 2 more number.

So it can Look like this

Example: 2ld73

The ratio would be 2:73

Hope this helps!

Posts: 22487 | From: Sacramento | Registered: Nov 2001  |  :


 
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