ausmini :: View topic - 3.11 diff for non a-plus gearbox

yes i run a 3.2:1 with my 1510cc engine & it`s good for that but you really need to have the grunt to pull such a tall gear.

I actually hate small engines with tall gearing, it just makes them dohey pigs :-)

& just so you don`t get all reved up & set up & ready to go for the swap only to come to a grinding halt,,,, you will need the lager diameter bearing retainer to fit the larger pinion gear into... The later type retainer for use with the tall gear set are made with a bigger hole in the guts so the big pinion gear fits & also utilises only 3 of the 4 "usual" mounting bolts.

oky-doky???

:-)

Author:	volkmini [ Mon Dec 03, 2007 7:53 pm ]
Post subject:	3.11 diff for non a-plus gearbox
hi, how hard is it to get a diff ratio under 3.44. i'm wanting a diff for the highway. i have noticed that some diff ratios only suit a+ gearbox casings. will they fit both.

Author:	drmini in aust [ Mon Dec 03, 2007 7:55 pm ]
Post subject:
Yes the A+ ones will fit both boxes but teeth angles are different so you need both the pinion and crownwheel.

Author:	volkmini [ Mon Dec 03, 2007 8:31 pm ]
Post subject:
is the lower ratios harder to get

Author:	poeee [ Mon Dec 03, 2007 8:33 pm ]
Post subject:
Yes very hard to find and expensive.

Author:	drmini in aust [ Mon Dec 03, 2007 8:35 pm ]
Post subject:
No minis were sold here with lower than a 3.44.

ausmini https://www.ausmini.com/forums/

3.11 diff for non a-plus gearbox https://www.ausmini.com/forums/viewtopic.php?f=2&t=38403	Page 1 of 1

Author:	simon k [ Mon Dec 03, 2007 8:46 pm ]
Post subject:
contact brickworx or miniimports

Author:	volkmini [ Tue Dec 04, 2007 4:15 pm ]
Post subject:
thanks, i will try and contact them. does anyone run a low ratio diff, is it worth getting one for a 1380. i'm wanting it for cruising highways with little revs.

Author:	TheMiniMan [ Tue Dec 04, 2007 4:48 pm ]
Post subject:
yes i run a 3.2:1 with my 1510cc engine & it`s good for that but you really need to have the grunt to pull such a tall gear. I actually hate small engines with tall gearing, it just makes them dohey pigs & just so you don`t get all reved up & set up & ready to go for the swap only to come to a grinding halt,,,, you will need the larger diameter bearing retainer to fit the larger pinion gear into... The later type retainer for use with the tall gear set are made with a bigger hole in the guts so the big pinion gear fits & also utilises only 3 of the 4 "usual" mounting bolts. oky-doky???

Author:	jbeenz [ Tue Dec 04, 2007 5:07 pm ]
Post subject:
TheMiniMan wrote: yes i run a 3.2:1 with my 1510cc engine & it`s good for that but you really need to have the grunt to pull such a tall gear. I actually hate small engines with tall gearing, it just makes them dohey pigs & just so you don`t get all reved up & set up & ready to go for the swap only to come to a grinding halt,,,, you will need the lager diameter bearing retainer to fit the larger pinion gear into... The later type retainer for use with the tall gear set are made with a bigger hole in the guts so the big pinion gear fits & also utilises only 3 of the 4 "usual" mounting bolts. oky-doky??? Read that again...grinding it out is a dog of a job! although, a drum sander on a press helps.

Author:	mattsmini1971 [ Tue Dec 04, 2007 5:28 pm ]
Post subject:	2.9
hi i have a 2.9 ratio in my car. really good on the highway...(3100rpm at 100km/h i know what you other guys say about it though but its my car and i luv it. lol

Author:	volkmini [ Tue Dec 04, 2007 7:59 pm ]
Post subject:
so 3.44 gives you the alround package

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