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04-06-2025, 11:57 AM
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#1 |
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Registered User
 
Join Date: Mar 2010
Location: Warren, ME.
Posts: 241
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5500 Conventional ?s
The '69 "K" 5500 Conventional (as seen in my avatar) is a project truck that may have come to a point of decision for me.
I realize that, being a Conv. cab, the cab front is different - i.e., regular pickup fenders are not compatible. However, is that, and (I presume) the flat floor the only differences? Will the doors fit a pickup? At last check, they appear to be in great shape. Being in Maine, there don't seem to be many 'Heavy Haulers' of that vintage on the road. I have not pulled the pumpkins to verify ratio, but research in the manuals make me believe that they are 7.20s. The rims are cast - an exciting discovery - IF someone nearby were in the market for period 20s. MANY questions for sure. Guidance requested and appreciated. This is the ONLY 'Heavy Hauler' I own and leaning away from advancing with this rig.
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1969 ES5500 B E A S T / 1974 K20 / 1976 K20 Suburban / 1983 C10 'farm truck' / 1984 K10 Suburban / 1988 V30 Fire Truck 1941 Dodge WC18 Ambulance 2000 GMC Bus (parts warehouse) |
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04-06-2025, 05:28 PM
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#2 |
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Senior Member
 Join Date: Aug 2005
Location: Los Angeles
Posts: 1,457
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Re: 5500 Conventional ?s
'E' series truck cabs are completely different than '67-'72 light duty cabs, though they look similar Nothing interchanges, not even the doors. That cab was used up into '89 on the 'Brigadier' heavy truck, a lot of cab parts interchange with those trucks.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90. |
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04-08-2025, 09:25 AM
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#3 |
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Registered User
Join Date: Nov 2001
Location: Moneta, VA USA
Posts: 3,112
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Re: 5500 Conventional ?s
I'm wondering if you are looking to part it out? Restore it? Or just sell it?
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'60-'72 Chev/GMC Fan GMC 9500 Fan Detroit Diesel Fan |
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04-08-2025, 02:40 PM
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#4 | |
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Registered User
Join Date: Mar 2010
Location: Warren, ME.
Posts: 241
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Re: 5500 Conventional ?s
Quote:
I have a replacement motor and trans - several potentially. It's a potential parts treasure trove. DECISIONS, DECISIONS
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1969 ES5500 B E A S T / 1974 K20 / 1976 K20 Suburban / 1983 C10 'farm truck' / 1984 K10 Suburban / 1988 V30 Fire Truck 1941 Dodge WC18 Ambulance 2000 GMC Bus (parts warehouse) |
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04-08-2025, 09:45 PM
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#5 |
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Registered User
Join Date: Nov 2001
Location: Moneta, VA USA
Posts: 3,112
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Re: 5500 Conventional ?s
Does it have the original V-6?
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'60-'72 Chev/GMC Fan GMC 9500 Fan Detroit Diesel Fan |
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04-08-2025, 10:32 PM
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#6 | |
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Registered User
Join Date: Mar 2010
Location: Warren, ME.
Posts: 241
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Re: 5500 Conventional ?s
Quote:
It was an Air Force spec'd 4wd with a (believe it or not) 292 L6. It's a real unicorn, and not necessarily in a great way. Outfitted with a front pto-driven 30 ton Braden Winch and a midships hyd. driven 30 ton Braden winch. Purpose built to be an all terrain telephone pole setting rig.
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1969 ES5500 B E A S T / 1974 K20 / 1976 K20 Suburban / 1983 C10 'farm truck' / 1984 K10 Suburban / 1988 V30 Fire Truck 1941 Dodge WC18 Ambulance 2000 GMC Bus (parts warehouse) |
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04-08-2025, 10:33 PM
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#7 | |
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Registered User
Join Date: Mar 2010
Location: Warren, ME.
Posts: 241
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Re: 5500 Conventional ?s
Quote:
It was an Air Force spec'd 4wd with a (believe it or not) 292 L6. It's a real unicorn, and not necessarily in a great way. Outfitted with a front pto-driven 30 ton Braden Winch and a midships mounted hyd. driven 30 ton Braden winch. Purpose built to be an all terrain telephone pole setting rig.
__________________
1969 ES5500 B E A S T / 1974 K20 / 1976 K20 Suburban / 1983 C10 'farm truck' / 1984 K10 Suburban / 1988 V30 Fire Truck 1941 Dodge WC18 Ambulance 2000 GMC Bus (parts warehouse) |
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04-08-2025, 11:56 PM
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#8 |
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Registered User
Join Date: Nov 2001
Location: Moneta, VA USA
Posts: 3,112
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Re: 5500 Conventional ?s
The 292-6 is a good engine.
__________________
'60-'72 Chev/GMC Fan GMC 9500 Fan Detroit Diesel Fan |
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04-11-2025, 12:31 AM
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#9 |
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Senior Member
Join Date: Aug 2005
Location: Los Angeles
Posts: 1,457
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Re: 5500 Conventional ?s
'ES' had the 292, 'EM' had the V-6.
__________________
1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90. |
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