#1
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Finding out a rear diff's ratio
How do you tell what the ratio is of a rear diff?
The only markings i can see are 81 Kn7 and 209B
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1.6 Terzo........ Non turbo.............http://www.surreyscoobies.co.uk/foru..._vehicle&id=87 |
#2
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Is it off the car? If so just count how many spins of the prop flange it takes for the driveshaft outputs to do one revolution
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#3
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Take the cover off and it will be written on the largest gear somewhere... Well mine was
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#4
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as justin said. if it's off teh car, bit of tippex on the splines & case of the output and teh same on the prop flange and case and start counting.
input shaft will either turn just under 4 times (3.9) just over (4.1) or about 4½ (4.444) for every 1 turn of the output shafts. if it's still on the car, disconnect the prop, mark the input flange as above, then put a bit of tape on a rear tyre and with both rear wheels off the ground, rotate the input shaft |
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