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Home of all dually trucks with the GMC/Chevy 3500HD series truck a point of interest.

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Welcome to the 3500HD.com forum created October 2009

Recent Posts

Pages: 1 2 [3] 4 5 ... 10
21
https://eastcoastgearsupply.com/c-284525-gears-install-kits-carriers-spider-gears-dana-spicer-gears-dana-80-d80-dana-80-ring-and-pinions.html

I like this site a lot. Easy to use and lots of info. I believe GM Dana 80s have 11.25” 37 spline rears. Always best to verify first and once you select a gear on this site it will specify those specs

Thanks..they have the best prices that I have seen. Noted their link below.
22
https://eastcoastgearsupply.com/c-284525-gears-install-kits-carriers-spider-gears-dana-spicer-gears-dana-80-d80-dana-80-ring-and-pinions.html

I like this site a lot. Easy to use and lots of info. I believe GM Dana 80s have 11.25” 37 spline rears. Always best to verify first and once you select a gear on this site it will specify those specs
23
Engine-Driveline-Wheels-Tires / Anyone actually located gears for a 11" Dana 80
« Last post by ED-NY on May 09, 2019, 10:17:09 AM »
RE: 1995 3500HD

Anyone actually locate ring/pinion gears other than 5.13 & 4.63 for a Dana Spicer 80?
24
Forum Help - Suggestions / DRAC programming for 1994 3500HD speedometer
« Last post by ED-NY on May 06, 2019, 11:38:56 PM »
Anyone calibrate a DRAC (VSSB) for a 1994 Chevy 3500HD with 4.63 rear axle, 225/70R19.5 tires? 

The input ratio would be greater than 0.988770 and most reference sites don't have pin positions beyond that number.

http://tbichips.com/?page_id=504
25
Tech - Help Area / Re: Part number rear pinion seal? 1995 3500HD Spicer 80?
« Last post by ED-NY on May 03, 2019, 06:46:53 AM »
Thanks...ordered the parts online from Advance...the good news is that I finally will know exactly which gear ratio it has once the cover is removed.  Need to calibrate the DRAC so the speedometer is accurate.
26
Tech - Help Area / Re: Part number rear pinion seal? 1995 3500HD Spicer 80?
« Last post by RPF207 on May 02, 2019, 11:00:58 PM »
Yeah, Dana/spicer 80 11.25” ring gear with 10 bolt cover. Gm Dana 80 built different from other Dana 80s I believe an extra two splines with the larger diameter shaft. Parts may not interchange. Was always told that 75w140 was for constant heavy towing, the 140 was meant for the heat. For normal use with occasional towing 75w90. Although these trucks might have come with 75w140 originally.
27
Tech - Help Area / Re: Part number rear pinion seal? 1995 3500HD Spicer 80?
« Last post by ED-NY on May 02, 2019, 05:36:44 PM »
Looks like I located the part numbers:

Pinion Seal 4525V (Viton)  11" Spicer 80
Diff Cover gasket RDS-55447 (Felpro)
28
Tech - Help Area / Re: Part number rear pinion seal? 1995 3500HD Spicer 80?
« Last post by ED-NY on May 02, 2019, 04:36:44 PM »
Also...what gear oil weight do you recommend...
29
Tech - Help Area / Part number rear pinion seal? 1995 3500HD Spicer 80?
« Last post by ED-NY on May 02, 2019, 04:12:35 PM »
Need to replace the pinion seal on my 1995 3500HD chassis, originally it was a diesel SWB cab chassis.  I assume it's a 11" Spicer 80 but only see listings for 10.5" differentials all with 14 bolt covers.  This one has a 10 bolt cover.

Just need the pinion seal part number before I take it apart.  Only found the part number for the 10 bolt cover so far.

Thanks
30
3500 & 3500HD Parts FOR SALE / Aluminum 8-Lug dually wheel set $400 (Vermont)
« Last post by ED-NY on April 22, 2019, 10:54:51 PM »
They are 17 inch and for 2015 and newer gm dually (not mine)

https://vermont.craigslist.org/wto/d/chelsea-gm-chrome-alloy-dually-wheels/6856798169.html
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