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Unread 03-26-2010, 07:37 PM   #1
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Default I need a VERY hard to find part

Namely, the speedo driven gear. It's plastic, goes on the end of the cable, and turns it. Mine has about three teeth left, and those are quite worn.


Now, cables are EASY to find. I can get those at every parts store locally, RockAuto, you name it. But I don't need a cable, I need the gear it attaches to, and that I can NOT find.


That's where you guys come in...help me find this stupid gear. It's for the F150 in my sig, all details you should need regarding the gear should be there. Rear end ratio is a 2.49, but if you find one for a 3.27 link that as well as I will be replacing the 2.49 ring and pinion soon. If you need more details, ask and I shall provide as best I can.

Good luck!
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1985 Ford F150 | 4x2 | 300ci OHV inline six | 4-speed OD manual | 310K | No power brakes | Running 100% - It hasn't driven this good in 15 years!

1984 Ford F150 | 4x2 | 300ci six | granny four | 3.55 rear end | 210K | Brakes shot. Rear drums are doing most of the work. Not fit to drive due to that.
1997 Ford Explorer XLT | 4.0L Vulcan V6 | 5-speed automatic | shift-on-the-fly 4WD | 210,000 miles | Running 95% - Needs brakes on all four corners + bald tires
1989 Ford F150 | 300cid six...again | 5-speed | 4x4 | 160K | Needs brakes done as well. Oi!

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Unread 03-26-2010, 08:09 PM   #2
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Are you talking about the gear that sits inside the transmission?

Or is the locking clip the goes in the back of the Dash?

Do a search for Speedometer shops or Repair. They might have the part you are looking for.
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Unread 03-26-2010, 08:20 PM   #3
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The gear that goes into the transmission. The end at the speedo itself is fine, and when the gear does spin the speedo reflects this. The plastic gear is just so badly stripped that it's hopelessly off.
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Tired Iron ain't got no time to wear out...

My rigs:

1985 Ford F150 | 4x2 | 300ci OHV inline six | 4-speed OD manual | 310K | No power brakes | Running 100% - It hasn't driven this good in 15 years!

1984 Ford F150 | 4x2 | 300ci six | granny four | 3.55 rear end | 210K | Brakes shot. Rear drums are doing most of the work. Not fit to drive due to that.
1997 Ford Explorer XLT | 4.0L Vulcan V6 | 5-speed automatic | shift-on-the-fly 4WD | 210,000 miles | Running 95% - Needs brakes on all four corners + bald tires
1989 Ford F150 | 300cid six...again | 5-speed | 4x4 | 160K | Needs brakes done as well. Oi!

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Unread 03-26-2010, 09:28 PM   #4
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Most trannie shops have a small colection of misc. parts like that.
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Unread 03-26-2010, 10:43 PM   #5
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how complex is the gear? any machine shop would be able to make you a new one if necessary.
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Unread 03-26-2010, 10:59 PM   #6
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Quote:
Originally Posted by tofunater View Post
how complex is the gear? any machine shop would be able to make you a new one if necessary.
not very but the sizing is critical you would need exact demensions to get the right speed reading. They come in various sizes and can be bought form trans shops or trans supplie stores.
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Unread 03-27-2010, 12:23 AM   #7
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Yup... Trans Shop or.. A junkyard
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Unread 03-27-2010, 10:22 AM   #8
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Quote:
Originally Posted by lautinjr View Post
not very but the sizing is critical you would need exact demensions to get the right speed reading. They come in various sizes and can be bought form trans shops or trans supplie stores.
Not to mention the amount of money I'd spend having a gear machined to fit would be astronomically high. It'd be cheaper to replace the transmission with a M5OD from a 1992-1996 F150. Also, I have NO idea the tooth count or pitch information, and there's no real way to get that information from my old gear as it's that badly ruined.

Thank god Ford made it out of plastic, as if they had made it from metal and it screwed up it would have ruined the output shaft as well.

Quote:
Originally Posted by IamWedge View Post
Yup... Trans Shop or.. A junkyard

I'll start calling some trans shops, but the junkyard is fresh out of 80-86 F150s at the moment so they won't have the gear right now.
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Tired Iron ain't got no time to wear out...

My rigs:

1985 Ford F150 | 4x2 | 300ci OHV inline six | 4-speed OD manual | 310K | No power brakes | Running 100% - It hasn't driven this good in 15 years!

1984 Ford F150 | 4x2 | 300ci six | granny four | 3.55 rear end | 210K | Brakes shot. Rear drums are doing most of the work. Not fit to drive due to that.
1997 Ford Explorer XLT | 4.0L Vulcan V6 | 5-speed automatic | shift-on-the-fly 4WD | 210,000 miles | Running 95% - Needs brakes on all four corners + bald tires
1989 Ford F150 | 300cid six...again | 5-speed | 4x4 | 160K | Needs brakes done as well. Oi!

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Unread 03-27-2010, 12:22 PM   #9
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Quote:
Originally Posted by TestECull View Post
Not to mention the amount of money I'd spend having a gear machined to fit would be astronomically high. It'd be cheaper to replace the transmission with a M5OD from a 1992-1996 F150. Also, I have NO idea the tooth count or pitch information, and there's no real way to get that information from my old gear as it's that badly ruined.

Thank god Ford made it out of plastic, as if they had made it from metal and it screwed up it would have ruined the output shaft as well.




I'll start calling some trans shops, but the junkyard is fresh out of 80-86 F150s at the moment so they won't have the gear right now.
If I had the information, I could get you one cut from abs plastic for free. I could calculate all the variables if I knew how many teeth it had and what the diameter of the gear was out to a hundredth of an inch.
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--1998 Oldsmobile Aurora w/190k - SOLD!

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