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Old 09-13-2021, 08:51 AM   #1
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Thinking about a 1987 1ton 4x4 with a 6.2 and a 4 spd?

Hi guys,

I saw a local ad and was wondering about a 1987 GMC 1 ton 4x4 with an SM 465 and the 6.2l diesel. I know nothing about the 6.2, but I don't want a hard core pulling rig, I was looking to throw a camper in the back and use it for some backroad camping with my sons. Here's the info from the ad:

"1987 chevy silverado k30
sm465 standard trans behind a 6.2l Detroit diesel
10 inch lift on 38.5in swampers
Has a dana 60 king pin in the front and a 14bolt with a locker in the rear with 4:10's
trucks got 240xxkm (150,00 miles)and runs good, fresh oil change rotella shell, fresh transmission oil as well,cd player, gauges work, surprisingly good on fuel with the diesel/standard
wicked mudder truck just bought another truck don't need 2"

Any thing I should look out for when buying a truck like this? Any advice? I thought it was strange to see that there is a Dana 60 front end with a King Pin, I didn't think GMs had king pins in 1987, only Fords. Let me know what you think.

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Old 09-13-2021, 09:16 AM   #2
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We had several 6.2s in our city utility fleet back in the late 80s, early 90s.
Disposable motors we called em. Meh...
Needless to say most of those trucks were replaced long before they reached the end of their scheduled life cycles.
On the other hand, I know a guy that put 300k on one in his Suburban.
Look around, you sure don't see many running them anymore.
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Old 09-13-2021, 09:20 AM   #3
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JMHO : From the modifications you listed , don't expect anything on the truck to be original .
Also truck campers make trucks unstable by raising the center of gravity , a truck with a lift kit is going to be that much worse . Off road with a camper on could be a VERY scary ride.
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Old 09-13-2021, 09:28 AM   #4
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From the description, sounds like it was someone's mud toy, I'd only use it for that unless you want to dig into mechanical and wiring before travelling. And if it's a body only lift, I definitely wouldnt put a camper on it.
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Old 09-13-2021, 09:29 AM   #5
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Mostly continual check engine lights, injector/injection pump issues and oil leaks are what I remember mostly on the 6.2s. The Ford 7.3 was a much better performer and still sought after today.
Pains a Chevy guy to say that...
Have you ever tried loading a camper on a 10" lifted truck?
Sounds like a royal pita.
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