The Stovebolt Site Forums The Shop Area Driveline Dif change to 3.55 ?

Let's make a parts kit (please add, delete, correct - I'll edit the list in this post as necessary):

Most of the items below are listed on Patrick's website (link is given in Dogface's post).

3.55:1 Ring & Pinion Set:
1. Ring Gear
2. Pinion Gear
Mothertrucker seems to have best price for the set and he provides instructions - email address?
Patrick's provides instructions and sells installation/parts kits.


1940-1950 parts kit or 1951-1954 parts kit
(1951-54) Rear End Gear Installation Kit
Product : 93-512B Price : $399.95 Classic Parts of America
(1941-50) Rear End Gear Installation Kit
Product : 93-512A Price : $399.95 Classic Parts of America

The parts below are for a 1953 3100

3. FRONT PINION BEARING & REAR PINION BEARING
NATIONAL Part # HM88510
Taper Bearing Cup; Outer Diameter=2.875", Length=0.9063", Radius=0.125"
GMC H033; Rear Outer
GMC H035; Rear Outer
$7.39 (Rockauto.com)
NATIONAL Part # HM88547
Taper Bearing Cone; Bore=1.3125", Length=1.0938", Radius=0.031"
GMC H033; Rear Outer
GMC H035; Rear Outer
$23.79 (Rockauto.com)

NATIONAL Part # HM89410
Taper Bearing Cup; Outer Diameter=3", Length=0.9063", Radius=0.125"
One of our most popular parts
GMC H033; Rear Inner
GMC H035; Rear Inner
$7.90 (Rockauto.com)
NATIONAL Part # HM89449 Taper Bearing Cone; Bore=1.4375", Length=1.125", Radius=0.14"
GMC H033; Rear Inner
GMC H035; Rear Inner
$15.80 (Rockauto.com)


4. CARRIER BEARINGS:
NATIONAL Part # KD11786Y
Taper Bearing Set; Cone Bore=2.265", Cone Length=0.864", Cone Radius=0.14", Cup Outer Diam=3.875, Cup Length=0.7018", Cup Radius=0.031"
GMC H072; Rear
$33.79 (Rockauto.com)

NATIONAL Part # KC11445Y
Taper Bearing Set; Cone Bore=1.6626", Cone Length=0.8125", Cone Radius=0.0787", Cup Outer Diam=3.149, Cup Length=0.5937", Cup Radius=0.0315"
GMC H035; Rear
GMC H033; Rear
$42.79 (Rockauto.com)


5. PINION SHIMS: pinion shims

6. pinion set-pin? - provided by Patrick's


7. 1 PC. TORQUE BUSHING WITH SEAL: Okie bushing - drive-shaft bearing and seal
(1940-50) Drive Shaft Bushing & Seal
Product : 92-011 Price : $84.95 Classic Parts of America
(1951-54) Drive Shaft Bushing & Seal
Product : 92-012 Price : $89.95 Classic Parts of America


8. AXLE BEARINGS: axle bearings
9. AXLE SEALS: axle bearing seals
Rear Axle Bearing & Seal Item #111121B 37-54
$104.25 Does 1 side


10.FRONT GASKET: rear housing to torque-tube gasket
FEL-PRO Part # RDS4305 Rear Axle Gasket
Rear Axle; 10-bolt holes; GMC H033
Rear Axle; 10-bolt holes; GMC H035
$2.60 (Rockauto.com)

11.REAR GASKET: rear cover gasket
FEL-PRO Part # RDS4304
Rear Axle; 10-bolt holes; GMC H033
Rear Axle; 10-bolt holes; GMC H035
$4.84 (Rockauto.com)


12. BALL SEAL KIT: u-joint housing seals
Does anyone have a Best Gasket or Fel-Pro part number?
(1935-54) U-Joint Ball Gasket & Seals
Product : 92-111 Price : $12.95 Classic Parts of America


13. lock clips for u-joint bolts - provided by Patrick's
(1940-54) U-Joint Bolt Lock Clips
Product : 92-222 Price : $3.25 Classic Parts of America
(1940-54) U-Joint Bolt
Product : 92-221 Price : $0.75 Classic Parts of America


14. pinion bearing spacer-tool - provided by Patrick's
15. pinion set-pin(s) (rivets?) - provided by Patrick's

As of about 4 years ago: Patrick's also provided an instruction set (almost readable, with unclear illustrations). This was pretty much understandable and complete.

This might be of interest: (1941-54) Rear Axle Overhaul Manual
Product : 05-711 Price : $6.99 Classic Parts of America


Sorry if any part-names above are incorrect. I'll edit the above when people post correction, deletions, additions.

If anyone wants to add part numbers for any of the parts, that would be useful for someone who wants to buy the parts on their own? I bought the installation kits from Patrick's.