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Rear end ID 700

posted by  NJC on  Mon Feb 28 18:18 CST 2005
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last visit: Sun Jul 24 13:42 CST 2011
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I was looking for diff ratio--supposedly on the left side of axle. No dice.

On the diff cover there was PN 1023610; on the diff itself PN 1023597. I couldn't find reference to these numbers anywhere. Anyone?

Also I noticed a plug connected to diff cover. What is the purpose of this?
--
Norm Cook Vancouver BC; 1989 745T 204,000KM








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Rear end ID 700

uid 55's pic
posted by  john sargent on  Tue Mar 1 02:04 CST 2005
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last visit: Wed Oct 22 09:07 CST 2014
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A 1989 740T with automatic has a 3.73 ratio, and a 1989 740T with manual transmisison has a 3.54 ratio.

You can use solvent to expose this tag on the rear or the left axle tube,


--
john








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John/Turbogreasel--thanks for info 700

posted by  NJC on  Tue Mar 1 08:15 CST 2005
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last visit: Sun Jul 24 13:42 CST 2011
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BTW John, I was rolling around on the concrete garage floor looking for this tag. I think it must have disappeared since it was nowhere to be seen on left axle.
--
Norm Cook Vancouver BC; 1989 745T 204,000KM








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John/Turbogreasel--thanks for info 700

uid 55's pic
posted by  john sargent on  Tue Mar 1 14:14 CST 2005
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last visit: Wed Oct 22 09:07 CST 2014
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Most of the tags are covered with undercoating, and it takes 10-15 minutes of rubbing with a solvent soaked rag to expose one.
--
john








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John/Turbogreasel--thanks for info 700

uid 55's pic
posted by  john sargent on  Tue Mar 1 14:13 CST 2005
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last visit: Wed Oct 22 09:07 CST 2014
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Most of the tags are covered with undercoating, and it takes 10-15 minutes of rubbing with a solvent soaked rag to expose one.
--
john








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Rear end ID 700

posted by  745 TurboGreasel on  Mon Feb 28 22:13 CST 2005
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plug is electronic speed sensor


jack up one side of the back, spin the driveshaft however many turns it take to get the tire around once, and divide that by two for your final drive ratio.

search the FAQ for possible ratios, there is a list there, then round to the nearest one of those.







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