Re: New aftermarket speedo gears on Amazon
[Re: John Brown]
#2838530
10/28/20 10:01 PM
10/28/20 10:01 PM
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Joined: Jan 2003
Posts: 1,807 North Dakota
Azzkikrcuda
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,807
North Dakota
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I bought quite a few gears from these guys for Mopars and GM trans. All looked good and fit good and you can't beat the prices Some of the vendors are asking crazy money for the 3X number gears.
The only Carbs I care about are under the hood!
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Re: New aftermarket speedo gears on Amazon
[Re: 70Challengerse]
#2839510
10/30/20 11:11 PM
10/30/20 11:11 PM
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Joined: Jan 2003
Posts: 7,538 Albany, NY
67SATisfaction
The member whose name is actually Art
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The member whose name is actually Art
Joined: Jan 2003
Posts: 7,538
Albany, NY
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Hey, so if you all don't mind - can you school me a little on speedo gears?
What I have is a speedo that reads high by about 10%. So the existing gear is spinning too fast. I'm pretty sure that means I should try a gear with 10% more teeth?
When I pull the existing gear out to count its teeth, is that a dry location, or will the tranny fluid want to leak out? Thanks, - Art
65 Satellite hardtop 361/4bbl console 727 2.76 67 Satellite convert 383/2bbl column 727 3.23 67 Lancia Fulvia Sport 1.3 Zagato. Alloy body, 1.3L V4 DOHC 4-spd 67 Lancia Fulvia Rallye 1.3. Alloy panel, 1.3L V4 DOHC 4-spd 71 Alfa Romeo GT Junior 1300 Zagato, 1.3L 4cyl DOHC hemi 5-spd 82 Alfa Romeo GTV6 2.5L SOHC hemi V6 5-spd transaxle 75 Maserati Bora US spec 4.9L DOHC hemi V8 5-spd ZF 77 Maserati Khamsin Euro spec 4.9L DOHC hemi V8 5-spd ZF 07 Aston Martin DB9 6.0L DOHC V12 6spd transaxle
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Re: New aftermarket speedo gears on Amazon
[Re: Azzkikrcuda]
#2839682
10/31/20 11:23 AM
10/31/20 11:23 AM
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Joined: Jan 2003
Posts: 30,989 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 30,989
Oregon
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I bought quite a few gears from these guys for Mopars and GM trans. All looked good and fit good and you can't beat the prices Some of the vendors are asking crazy money for the 3X number gears. I have a box of used gears that I've pulled out of 727 transmissions over the years. Guess that is my retirement fund now!
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Re: New aftermarket speedo gears on Amazon
[Re: 67SATisfaction]
#2839684
10/31/20 11:29 AM
10/31/20 11:29 AM
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Joined: Sep 2003
Posts: 19,310 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,310
north of coder
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your 10% is roughly correct. however, it could factor out to one tooth higher or lower than is available. as to changing out the gear, jack up the driver's side of the car and support on stands. the area is wet, and this will greatly minimize, if not entirely eliminate the fluid loss. have a pan under just in case, to keep your floor clean.
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Re: New aftermarket speedo gears on Amazon
[Re: roadrunninMark]
#2840136
11/01/20 12:58 PM
11/01/20 12:58 PM
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Joined: Jan 2003
Posts: 7,538 Albany, NY
67SATisfaction
The member whose name is actually Art
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The member whose name is actually Art
Joined: Jan 2003
Posts: 7,538
Albany, NY
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Thanks very much for the detailed info guys, that is super helpful..
I've got the 1965 FSM, and will have a closer look at it along with the chart in the link:
- I know I've got a 2.76 rear end, and running 225/70 14s = diameter of 26.4" ... so the chart suggests 27 or 28 teeth.
I'll have to pull the existing gear to get its number of teeth for comparison. It's in winter storage already but I can bring a jack and try getting that done. Cheers, - Art
65 Satellite hardtop 361/4bbl console 727 2.76 67 Satellite convert 383/2bbl column 727 3.23 67 Lancia Fulvia Sport 1.3 Zagato. Alloy body, 1.3L V4 DOHC 4-spd 67 Lancia Fulvia Rallye 1.3. Alloy panel, 1.3L V4 DOHC 4-spd 71 Alfa Romeo GT Junior 1300 Zagato, 1.3L 4cyl DOHC hemi 5-spd 82 Alfa Romeo GTV6 2.5L SOHC hemi V6 5-spd transaxle 75 Maserati Bora US spec 4.9L DOHC hemi V8 5-spd ZF 77 Maserati Khamsin Euro spec 4.9L DOHC hemi V8 5-spd ZF 07 Aston Martin DB9 6.0L DOHC V12 6spd transaxle
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