Re: [FWDLK] transmission
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Re: [FWDLK] transmission



You need a gear that is 25% slower than the one you have. So you need to pull your gear out and see how many teeth is on it, then get one that has 25% more than that. I have the opposite problem. My speedo reads 60 when I am going 80, but it is unlikely that swapping with each other will solve both our problems.

Nathan

On Sun, Aug 4, 2019 at 8:14 AM Don Wieber <donhwieber@xxxxxxxxx> wrote:
the numbers on the rear end are-1820657  below then are  t-15- 4
the tire size is 75-r15 this tire is with in an 1/4" of the tire that came with the car which was an 14"
the transmission  is cast iron

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On Fri, Aug 2, 2019 at 8:27 PM cpollock2 <cpollock2@xxxxxxxxxxxx> wrote:
Ok.  Then assuming a cast iron torqueflite, what IS the right information?
I'll admit I'm a muscle car guy.  I've read a ton on this list over the years about converting to the aluminum later trans to get rid of the parking brake at the end of the tailshaft and to use later rear axles that are simpler.
So, I'm guessing the original poster is now completely confused.  And I'm curious as well....
Please, proceed...

Thanks

-------- Original message --------
From: "hemipowerflite ." <hemipowerflite@xxxxxxxxx>
Date: 8/2/19 19:48 (GMT-05:00)
To: cpollock2 <cpollock2@xxxxxxxxxxxx>
Subject: Re: [FWDLK] transmission

Except...this isn't a 727. Speedo gears are different for cast iron vs. '62-'65 727 vs. '66-'80's 727 vs. 518. They are all different from each other so you need to understand which one you are dealing with. All the information given has been completely wrong because it doesn't apply to the cast iron torqueflite, which is what the forwardlook uses exclusively (other than the A-bodies). 

Nathan

On Fri, Aug 2, 2019 at 4:18 PM cpollock2 <cpollock2@xxxxxxxxxxxx> wrote:
Like he said.
Not to hawk another forum, but here's the details:

-------- Original message --------
From: Bill Parker <hemirr@xxxxxxxxx>
Date: 8/2/19 18:23 (GMT-05:00)
To: cpollock2 <cpollock2@xxxxxxxxxxxx>
Subject: Re: [FWDLK] transmission

As described except you will need to “clock” the gear carrier. It has a series of notches in the outer rim of the carrier which you can line up with a tiny pointer notch on the tail shaft housing iirc. There is information out there as to where to clock the carrier for the size (teeth) of gear you are installing. This carrier wheel is offset mounted so it rotates to bring the gear into mesh with the drive gear on the tail shaft. This is what allows for the differing diameters of gear. 

On Aug 2, 2019, at 6:07 PM, cpollock2 <cpollock2@xxxxxxxxxxxx> wrote:

The gear is actually in the transmission at the end of the cable, not in the Speedo itself.  Follow the cable down and you will see when it screws into the transmission.  Unscrew the cable and the gear is behind the panel it's screwed into.  It will be fairly obvious how it's attached.  Then just swap them.  Can be done without spilling any tranny fluid if you are careful. Should take less than a half hour to swap.

Enjoy!

-------- Original message --------
Date: 8/2/19 17:49 (GMT-05:00)
Subject: Re: [FWDLK] transmission

  Just curious --  how can you change the speedo-gear ?  The diameter would be different (larger) !!




On Friday, August 2, 2019 cpollock2 <cpollock2@xxxxxxxxxxxx> wrote:

Ok.
Read the tire size from the sidewall.
Then the rear end ratio.  This is normally stamped on a metal tag attached to the diff.
Now go here:

Pull up torqueflite.  All the transmissions are on the page.

The last one I bought was from mancini racing and they were not too expensive.

Good luck
Thanks!

-------- Original message --------
From: Don Wieber <donhwieber@xxxxxxxxx>
Date: 8/2/19 12:24 (GMT-05:00)
Subject: Re: [FWDLK] transmission

the height of the tire is the same as the one's that it came with. i do not know the rear gear ratio.

On Fri, Aug 2, 2019 at 11:20 AM Gary Pavlovich <glpavlovich@xxxxxxx> wrote:

Thank you for posting this thread; I am also interested in updating/correcting my ’56 Ply speedo gear and 65 Ply speedo gear.

Gary Pavlovich

 

From: Forward Look Mopar Discussion List <L-FORWARDLOOK@xxxxxxxxxxxxx> On Behalf Of John A Clines
Sent: Friday, August 2, 2019 9:09 AM
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Subject: Re: [FWDLK] transmission

 

To get the right speedometer gear we need the Gear ratio of the rear end and the tire diameter of the rear tires

Gears are easily available in several places
John

 

 

 

From: Forward Look Mopar Discussion List [mailto:L-FORWARDLOOK@xxxxxxxxxxxxx] On Behalf Of Don Wieber
Sent: Friday, August 2, 2019 9:22 AM
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Subject: [FWDLK] transmission

 

hi

i have a 61 plymouth fury with a 318 and torque flite transmisssion. my speedo reads 80 but i'm only going 60. i checked the gear. it is a white one. can someone tell me what color would correct it ? where can it get the other gears?

 

 

thanks

don

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