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3 Speed manual output seal??
#1
Hey guys, does anyone know off hand what the 3 speed manuals were called??  I am looking for a rear transmission output seal and I am having a hard time finding one. This is for a 71 mach 1 351 2v with a 3 speed manual.  A lot of the websites aren't calling it out by 3 speed or 4 speed. They are listing as Tremec  170F or 162T or T150???? Anyone have any info or a brand or part number??  SKF?? TIMKEN?? NATIONAL??  Rock auto is showing some for booted or not booted also?  Any thoughts fellas??

https://www.rockauto.com/en/catalog/ford...+seal,8792

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
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#2
(05-24-2018, 10:43 AM)turtle5353 Wrote: Hey guys, does anyone know off hand what the 3 speed manuals were called??  I am looking for a rear transmission output seal and I am having a hard time finding one. This is for a 71 mach 1 351 2v with a 3 speed manual.  A lot of the websites aren't calling it out by 3 speed or 4 speed. They are listing as Tremec  170F or 162T or T150???? Anyone have any info or a brand or part number??  SKF?? TIMKEN?? NATIONAL??  Rock auto is showing some for booted or not booted also?  Any thoughts fellas??

https://www.rockauto.com/en/catalog/ford...+seal,8792
I have one I took out of a 72 I will go see if I can see the number on the seal. The transmission is considered a fully synchronized top loader three speed as far as I know. Marti's book just says "3 speed manual and 3 speed manual (Falcon)".
I think the output shaft has 28 splines like the top loader 4 speed and I think uses the same seal but not 100%.
There was a dust boot on the shifter of some cars the one I took out had one, see pic. No picture of the boot on the computer.
GM actually used the Ford 3 speed transmission in the GTO because they did not have a fully syncro of their own. Came in the ones with the OHC inline 6 that most have never seen but said FoMoCo on the transmission, lol.
David

[Image: 100_3069.jpg]

[Image: 100_3076.jpg]

[Image: 100_3065.jpg]


When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
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#3
Booted seals can be a little harder to install since they can’t be driven in with a flat object. That being said it is a moot point if you are going to do it with the transmission assembled with the output shaft sticking out.


Got to find something the correct ID to use as a driver. The booted ones are a little nicer as they shield the part of the yoke that travels in and out of the seal as you drive.

As for what the transmission is.... I dunno. If google fails you call up Transparts Warehouse
  Reply
#4
(05-24-2018, 10:59 AM)Carolina_Mountain_Mustangs Wrote:
(05-24-2018, 10:43 AM)turtle5353 Wrote: Hey guys, does anyone know off hand what the 3 speed manuals were called??  I am looking for a rear transmission output seal and I am having a hard time finding one. This is for a 71 mach 1 351 2v with a 3 speed manual.  A lot of the websites aren't calling it out by 3 speed or 4 speed. They are listing as Tremec  170F or 162T or T150???? Anyone have any info or a brand or part number??  SKF?? TIMKEN?? NATIONAL??  Rock auto is showing some for booted or not booted also?  Any thoughts fellas??

https://www.rockauto.com/en/catalog/ford...+seal,8792
I have one I took out of a 72 I will go see if I can see the number on the seal. The transmission is considered a fully synchronized top loader three speed as far as I know. Marti's book just says "3 speed manual and 3 speed manual (Falcon)".
I think the output shaft has 28 splines like the top loader 4 speed and I think uses the same seal but not 100%.
There was a dust boot on the shifter of some cars the one I took out had one, see pic. No picture of the boot on the computer.
GM actually used the Ford 3 speed transmission in the GTO because they did not have a fully syncro of their own. Came in the ones with the OHC inline 6 that most have never seen but said FoMoCo on the transmission, lol.
David

[Image: 100_3069.jpg]

[Image: 100_3076.jpg]

[Image: 100_3065.jpg]

Thanks david! That's what I wanted to see.... if it was booted or not. I don't have the car in front of me to check. Its for the guy I painted the car for last year.

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
  Reply
#5
I went to garage and no numbers on the seal on the outside must be on inside.
Depending on how loose the bushing is in the housing might be best to pull tail shaft and install a new bushing also.
David

[Image: 100_3405.jpg]

[Image: 100_3406.jpg]


When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
  Reply
#6
This may help
https://www.npdlink.com/store/products/m...-2856.html



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
  Reply
#7
Kevin, those transmissions were referred to as the 3.03 three speed top loader. Have no ideal where in the world the parts house catalog writers came up with all the different names and numbers for this transmission!  That transmission came out in the early 60's and was used through the 80's. Since it was a top loader and built similar to the 4sp, it was considered a pretty tough transmission. The original seal used during the 71-73 production was C4TZ-7052-A (ID# D1AR-A1A, A2A, A3A).  D9BZ-7052-A (D6AP-AA) is the first service replacement. There were several more replacements but they don't always show up in parts house catalogs. The D9BZ-A seal crosses to National Seal 7692S and should have the dust boot on it. I believe Timken is now handling National Seals so the 7692S may show under some Timken listings. Seal size is 2 3/8" O.D. x 1 1/2" I.D. I have also seen ID numbers on the metal flange and on the very end of the rubber boot. I prefer the booted seal (like used on AT transmissions) since it keeps the yoke cleaner where it enters into the transmission.     [Image: smile.gif]
[Image: Inked7052_LI.jpg]

Steve

No Officer...I really don't know how fast I was going, my speedometer stopped at 140!
  Reply
#8
(05-24-2018, 04:34 PM)secluff Wrote: Kevin, those transmissions were referred to as the 3.03 three speed top loader. Have no ideal where in the world the parts house catalog writers came up with all the different names and numbers for this transmission!  That transmission came out in the early 60's and was used through the 80's. Since it was a top loader and built similar to the 4sp, it was considered a pretty tough transmission. The original seal used during the 71-73 production was C4TZ-7052-A (ID# D1AR-A1A, A2A, A3A).  D9BZ-7052-A (D6AP-AA) is the first service replacement. There were several more replacements but they don't always show up in parts house catalogs. The D9BZ-A seal crosses to National Seal 7692S and should have the dust boot on it. I believe Timken is now handling National Seals so the 7692S may show under some Timken listings. Seal size is 2 3/8" O.D. x 1 1/2" I.D. I have also seen ID numbers on the metal flange and on the very end of the rubber boot. I prefer the booted seal (like used on AT transmissions) since it keeps the yoke cleaner where it enters into the transmission.     [Image: smile.gif]
[Image: Inked7052_LI.jpg]



Thanks Steve.  That National seal is the one we went with.  And your correct, Timken lists the exact same part number.  Thanks for the help gentlemen!!!

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
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