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Author: Subject: diff ratio
mkblade

posted on 24/3/09 at 11:19 PM Reply With Quote
diff ratio

sierra diff ratios i found the list that someone posted on here i still cant make out any numbers on my diff .

if i take off the fiff cover is it stamped on the crown wheel ??

cheers
simon

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Paul TigerB6

posted on 24/3/09 at 11:23 PM Reply With Quote
I found the ratio written on the outer edge of the crownwheel of the last Ford diff i opened up. Alternatively, you can count the number of teeth on the crownwheel and pinion if you have the rear cover off. Simple division will then give you the ratio






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skippad

posted on 25/3/09 at 12:10 AM Reply With Quote
turn prop flange and count how many times driveshaft flange turns per one turn of prop flange...hey presto
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Simon

posted on 25/3/09 at 12:44 AM Reply With Quote
^^ What he said.

Degree marker of some kind will give you a more accurate reading. Obviously

ATB

Simon






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matt_claydon

posted on 25/3/09 at 07:56 AM Reply With Quote
quote:
Originally posted by skippad
turn prop flange and count how many times driveshaft flange turns per one turn of prop flange...hey presto


Other way round though, turn the driveshafts one rotation and the number of rotations of the input will give you the ratio. Do 10 turns if you want to be really accurate.

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