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Topic: Wanted - Speedo drive gear

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Goingbush

Wanted - Speedo drive gear

Quite a regular

Wanting a Speedo drive pinion, or even better the gear and holder assembly to fit an R9 overdrive.

Or information on any other brand pinion gear that will fit , I can make the holder.
I have one from an Ultramatic but unfortunately way too big.

per the the photo. Thanks ... Don

Click to see original Image in a new window

Posted on: Yesterday 3:00

39SixSedanMan

Re: Wanted - Speedo drive gear

Home away from home

You'll need to know the rear axle ratio to ensure the right number of teeth on the driven gear (17,18, or 19 teeth, I think).
See the parts manual on this site to look it up.
Pat

Posted on: Yesterday 10:51

DM37

Re: Wanted - Speedo drive gear

Home away from home

After you get your differential ratio and are ready...look in the parts book. It will have number of teeth for the drive gear and part number. Then try John Ulrich or Max Merritt...post that data here and someone else may be able to help you.

I have found if I do the part#, teeth research plus a photo of what your looking (if possible), people go out of their way to aid/abet.

Cheers

Posted on: Yesterday 11:33

Goingbush

Re: Wanted - Speedo drive gear

Quite a regular

Thanks guys, I should have mentioned the tooth count is not important as I'll be using a not standard speedo and non standard rear axle ratio, so need to be using a speedo correcter box .

Posted on: Yesterday 15:52

Ozstatman

Re: Wanted - Speedo drive gear

Forum Ambassador

Some years ago (12+?) I purchased the OD adaptor piece off Gerry at Packards Southwest, to convert the R9 trans and OD I bought from a bloke in SA, so it became LHD compatable for the LHD Packard I owned at the time. Packard Southwest's contact details are in this Directory. Gerry may have what you want?

Posted on: Yesterday 16:56

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39SixSedanMan

Re: Wanted - Speedo drive gear

Home away from home

Well, unless you are using a Hudson or motorcycle speedometer, the input cable speedometer will still be 1000rpm=60mph.

Posted on: Yesterday 17:36

Goingbush

Re: Wanted - Speedo drive gear

Quite a regular

Dont tell anyone but I'm using a Jeep GPW Speedometer (it suits the 'vibe' of the car I'm building) , I can put it in the lathe & see how many RPM @ 60 mph.