5 speed diff ratio

badga880 · Post by **badga880** » Wed Dec 04, 2013 8:47 pm

Once again I need some guidance I have a good 5 speed G/box that came out of a car in japan which had a turbo EA81 some sort of Leone type my question is how do I work out the diff ratio as I want to fit it in to my 92 brumby once again thanks

Post by **TOONGA** » Wed Dec 04, 2013 9:25 pm

If it still has the code on the side of the bell housing you should be able to find out via that, if not you need to drain the box. then mark one of the teeth on the crown wheel (white out or a paint pen) through the drain hole. then slowly rotate the the front output shaft and count the teeth untill you are back at the mark 37 teeth = 3.7, 39 teeth = 3.9.

TOONGA

tambox · Post by **tambox** » Wed Dec 04, 2013 9:35 pm

If it is the original turbo box it will be a 3.7
Being an MY the teeth are 37 = 3.7 37/10
35 = 3.9 35/9

RSR 555 · Post by **RSR 555** » Wed Dec 04, 2013 9:38 pm

Have you got any pictures of the box? as the EA81 Turbo came out with the 4 speed. I think it may be the EA82 Turbo box, as these were 5 speed. Most likely it's a 3.7 but as TOONGA has mentioned, if you can tell us the transmission number on the front bell housing, then we should be able to work it out.

badga880 · Post by **badga880** » Thu Dec 05, 2013 5:32 am

Thanks I will get the numbers of the bell housing and post it once again thanks will not be able to get to post the numbers till later in the week but will be back thanks

RSR 555 · Post by **RSR 555** » Tue Dec 10, 2013 11:59 am

Any luck with the number?

ozbrumby · Post by **ozbrumby** » Tue Dec 17, 2013 9:18 pm

RSR 555 wrote:Any luck with the number?

Paul
From past experience these numbers can be hard to decipher.
Just ask me
Look at the dramas I have had finding an AWD box
Thanx to you and Niterida my problem will be solved shortly
Appreciate the help guy

Peter

RSR 555 · Post by **RSR 555** » Fri Dec 20, 2013 1:07 am

Numbers are the first place I look at but sometimes they don't turn out so good but need to start somewhere.

No worries on helping you out Peter

ozbrumby · Post by **ozbrumby** » Sun Dec 22, 2013 8:46 pm

Huge appreciation to you mate
thanx heaps
and to Ken as well as he looked after me with price
Two good guys folks
Peter

RSR 555 wrote:Numbers are the first place I look at but sometimes they don't turn out so good but need to start somewhere.

No worries on helping you out Peter

RSR 555 · Post by **RSR 555** » Sat Dec 28, 2013 12:49 pm

ozbrumby wrote:Huge appreciation to you mate
thanx heaps
and to Ken as well as he looked after me with price
Two good guys folks
Peter

No worries at all Peter. Hope you get it sorted

badga880 wrote:Thanks I will get the numbers of the bell housing and post it once again thanks will not be able to get to post the numbers till later in the week but will be back thanks

Any luck?

badga880 · Post by **badga880** » Wed Jan 01, 2014 9:51 am

Sorry everyone been away numbers on this gearbox was a little sticker with,,930824 this sticker was up n the bellhousing also stamped in the box was 649 and hand written in pink paint pen was 649 as well hope these numbers will help someone be able to work out what gearbox this could possibly be thanks again and sorry I have been away

RSR 555 · Post by **RSR 555** » Wed Jan 01, 2014 11:41 am

No worries badga880 but this 930... number is just the batch built number and the pink written one is more than likely a secondhand parts place stock number. The number we need should start with TY7...... and be about 10 digits long.

You can do as prevously mentioned, count the front crown wheel teeth. This can be done really easily.

Is the box in or out of the car? Can you post pictures of it?

badga880 · Post by **badga880** » Thu Jan 02, 2014 5:39 am

numbers a little sticker on the bell housing about 1 inch long with numbers 930824 also 649 stamped on gearbox where 2 sections bolt together (highly technical) these are the only numbers I could find once again thanks I am aiming to get a pic of the box as sson as I can wok out how to get it off m phone to the computer

RSR 555 · Post by **RSR 555** » Thu Jan 02, 2014 10:09 am

No worries. The TY7... numbers would be close to where the starter motor bolts on and down the side a bit but if they eren't there, then the sticker has fallen off. Best way then is to count the crownwheel.

badga880 · Post by **badga880** » Thu Jan 02, 2014 10:18 am

Box out of car was going to fit it when I fit reco ea 81 that I have on the bench will try these photos today when the grandson drops over. Ok old farts are slow on these computers lol thanks for all the help