Page 1 of 1

what diff ratios?

Posted: Sat Jul 25, 2009 12:05 am
by boydsierra
hey guys

i have a 92 ford maverick just trying to find out what ratios my diffs are?

it is a 4.2 petty on gas

how can i tell or can anyone tell me what they would be?

cheers

ratios

Posted: Sat Jul 25, 2009 8:23 am
by daz4b
should be 3.9 daz

Re: ratios

Posted: Sat Jul 25, 2009 8:56 am
by marin
daz4b wrote:should be 3.9 daz
LOL

There is no hard and fast rule.

As long as nobody has changed them, look on ur I.D. plate under the bonnet, it will say Axle, and then have stamped Hxx, being either 39, 41, 43, 46

Explains itself from there.

Otherwise put it on stands and count revolutions of the wheels compared to revolutions of the axle.

Posted: Sat Jul 25, 2009 9:48 am
by boydsierra
ok will try ay find it ay

its just that i got a front diff which is 4.1 with a locker in it

Posted: Sat Jul 25, 2009 10:56 am
by marin
Chances are pretty high that you will have 4.1's, but check ur i.d. plate as well, then if you are still not confident that the ratio's haven't been changed out by another owner, try the turning method

Posted: Sun Jul 26, 2009 2:15 pm
by boydsierra
alright thanks heaps mate

Posted: Sun Jul 26, 2009 2:56 pm
by nastytroll
Otherwise check the crown when you pull the centre. It will have 39-8 or similar. divide large number by small number for ratio.

Re: what diff ratios?

Posted: Sun Jul 26, 2009 5:51 pm
by jessie928
boydsierra wrote:hey guys

i have a 92 ford maverick just trying to find out what ratios my diffs are?

it is a 4.2 petty on gas

how can i tell or can anyone tell me what they would be?

cheers
hi man

other it being stamped on the ID plate

if its an auto it will be 3.9
BUT

if its a manual, being a maverick, it may be 4.1 ( most) it may be a 3.9 also.

Posted: Tue Jul 28, 2009 7:11 am
by boydsierra
alright well just looked on id plate an there is nothing for axel?

Posted: Tue Jul 28, 2009 10:51 am
by jessie928
boydsierra wrote:alright well just looked on id plate an there is nothing for axel?
you sure? it will definatly have something like hg39 or hg41 etc.
Jes