XF diff and gearbox ratios? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 4 (permalink) Old 01-27-03, 12:37 AM Thread Starter
NZ
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XF diff and gearbox ratios?

Does anyone have info on the diff ratios on the xf 4 speed?

The particular car is an 85, 4 speed leaded. Also what diff ratio did it have standard?

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post #2 of 4 (permalink) Old 01-27-03, 01:35 AM
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Should be 2.77
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post #3 of 4 (permalink) Old 01-27-03, 01:45 AM
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From the Gregory's manual

BW Series 0503
EFI Carb
1st 3.50:1 1st 3.43:1
2nd 1.99:1 2nd 1.99:1
3rd 1.32:1 3rd 1.43:1
4th 1.00:1 4th 1.00:1
Rev 3.47:1 Rev 3.29:1

BW Series 0506
1st 3.47:1
2nd 1.96:1
3rd 1.26:1
4th 1.00:1
Rev 3.37:1

Diff
LSD 2.77:1 or 2.92:1

Open 2.77:1, 2.78:1, 2.92:1, 3.23:1, 3.50:1

Should be a tag on the diff housing showing ratio.
LSD had red filler plug, open had black plug
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post #4 of 4 (permalink) Old 01-27-03, 03:17 AM
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Should be a 2.92.
I have an 85 leaded 4 speed sedan and i had a look under and it said 2.92 on the tag on the diff.

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