Australian starter motors

[Dave999]

If your car had
or you are using a 14(6?) tooth ring gear from an australian car


25mm 9 tooth thin gear bosch, gear about 1/4 inch front to back
27mm 10 tooth fat gear bosch with offset shaft and different gearing pinion gear 3/8 or more front to back

(both used in the same application in different years)

the first was standard on hemi 6 and 318
the second was updated heavy duty version on hemi 6 and 318
both did the same job


you can now buy something like this and remove the USA 35mm pinion

https://www.rockauto.com/en/moreinfo.ph ... fhkg%3D%3D]


and use this pinion on it CW version to make it do the same job as your bosch

https://www.greasejunkie.com/products/w ... SrWd_BNbGj


if you Australian Mopar had a 727 in most cases it uses a USA sized pinion andsthe starter motor will just work without change

[MattH]

This is what we need to do as both our hemi 6 and 318 have Aussie gearboxes (1 4 speed, 1 BW auto) and we only have one starter that fits both cars. Thanks very much for the info Dave.

[Dave999]

yes looks like the "experimental" 25 mm 9 tooth pinion i extracted out of WOSP 5-10 years ago actually became a product.
i spent weeks sending them details on australian spec starters from the workshop manual and any website i could find with a specification, and got a pinion for my efforts....


https://www.wosperformance.co.uk/search ... oth%2025mm

this used to be the only easily available option

https://www.wosperformance.co.uk/spares ... tooth+25mm

and you had to put in a spacer the thickness of the base of the pinion to get it to work

so this short version with a skirt like the mopar orginal is quite useful


and looky here.... Mr WOSP finally got there.......

https://www.wosperformance.co.uk/starte ... s=&m=25073


WOSP are great but we know there are cheaper ways....

David