my 1988 GMC 7000 dump truck story
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1988 gmc 7000 bbc air cleaner tag shows 454 7.4L looks like spicer 5 speed tranny with 2 speed rear and full air brakes and air control on rear for trailer.
vin # 1gdm7d1b5jv520621 story is its got bad motor . said it over heated a few times and has not been correct since then . I pulled the fuel tank cap and the gas smells funky and the window reg shows good till 2015 . . so I know she has been sitting for prob 2+ years now inop . she is low miles 50-60k range from what I was told ( forget to read my self ) but the frame / cab / dump box are in premo condition if you gave it a good wash you could eat off them . frame rails almost all original paint still there . truck is from the south original and I think it prob had water in the cooling system only ( seen lots of them like this ) and she prob boiled over and or froze the block and cooked its self . I have a good 454 from a 79 suburban with 60k miles on it and run good on way home with few flat cam lobs . . just need cam and gaskets . was thinking swap this in place of its dead 454 . . . or even find a 8.1 big block with efi and drop in . what do you think it would be worth in its current state ? keep in mine I am in the heavy rust belt of the north east and clean ones like this are super rare to find . . . I can buy it for less than the dump box is worth used pull off. so worst case I flip the box and have a free truck . was planning on making a big boy toy with it . :sumo: thanks for any input guys and as always have a good day :gmc2: |
Re: so i went and looked at this today
Nice looking truck.
If the price is right, like it sounds like it is, I would grab it, especially since you have another engine to drop in there. Keep us posted on it. |
Re: so i went and looked at this today
well I am in north nj and I cant say I have seen many as clean as you say it is but a truck like that sitting that long with a bad motor I would say 1500. the retail market on these trucks is not that high anymore from what I see. I had a guy with a fully operational on the road truck that he got 2000 for now it wasn't perfect rust free but fully serviced and road legal. grab it cheap sell the box and make a big boy pickup out of it.
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Re: so i went and looked at this today
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so I got the title today on this old girl . . . cost me 1600 bucks but she has 1 clean frame and body and dump box .
just got to wait for the snow/ice to melt off the dirt road to the top of the hill were its parked and then the boss and I can go get it with the BIG tow truck . |
Re: so i went and looked at this today
Im in to see what you do with this Biggin.
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Re: so i went and looked at this today
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Re: so i went and looked at this today
ya I know.
vin decode shows 6.0 366 but seemed funny I swear I saw 7.4 on air cleaner tag . . . was blowing 20+mph and 10* out the day I walked up the hill to look it over. if need be I have a line on a 427 tall deck motor currently running . |
Re: so i went and looked at this today
I keep hearing bout a tall deck 454, but never seen one. I've been to a couple yards that had a billion of these over the years, nothing. 6 bangers, 350s, 366, 427 but no '54s. I haven't found another 8.1 either...guess I got lucky with mine!!!
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Re: so i went and looked at this today
Great looking truck. Show us some interior shots when you get a chance.
Regarding the motor I've been trying to find out if the crate 502 or 572 are tall deck motors. With the 572 it would need lower compression pistons and a truck minded cam to be worthwhile, but it sure would be nice to be back in to the high torque numbers. I think my duramax spoiled me 😀 -Richard |
Re: so i went and looked at this today
Believe 502 is standard deck and 572 is tall....
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Re: so i went and looked at this today
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Re: so i went and looked at this today
if I decide to keep it and make a big boy toy out of it . . .
I was planning military 5ton axles that come with air brake . and also the 5ton transfer case as high range is .7xx over drive to help over come the 6.44:1 axle gear combo . plan on a 46-48" tall tire combo also . just a few ideas kicking around in my head. |
Re: so i went and looked at this today
got back there today and plowed the road up to the truck so I get it towed out by the end of the week when the road is melted off for the BIG tow truck to get up there .
vin decode and air cleaner tag show 366 engine. . . but air cleaner tag shows 7.4 also . searching internet this seems to have been a common thing . I got a idea tho . I have a line of a 8.1 big block complete take out . this would be a great repower for it and its from a med duty truck already . gvw on the tag on the side of the cab door frame 9000k frt / 19000k rear / total 28k gvw truck . glove box had 2 FULL rpo code sheets in it. showed : 038 / 6.57 ratio rear fxv / 149 inch wheel base gyh / aux rear springs kra / engine gov 3800 way to many to list up . . . anyone got a good rpo code brake down list ? |
Re: so i went and looked at this today
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-Richard |
Re: so i went and looked at this today
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-Richard |
Re: so i went and looked at this today
cool man :metal::metal:
anyone know how it governs the engine at the 3800 rpm ? |
Re: so i went and looked at this today
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-Richard |
Re: so i went and looked at this today
if I can find the re-power engine I want this will be gone anyways . . . ha ha ha
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Re: so i went and looked at this today
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few pics I got yesterday
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Re: so i went and looked at this today
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well here was the hill / farm path up to the trucks parking spot this am . . I even went up yesterday and dumped 150lbs of salt down it didn't do hardly squat .
the tow guy backed up to the truck . 1st attempt up hill failed . . but second was a winner . hooked it / chained it / strapped the steering wheel and away we went . he did say she has tight steering as most every thing he pulls wanders all over in the back . but my dump was straight as a arrow. |
Re: so i went and looked at this today
also got to looking at the parts truck next to it .
its a 7000 model also with factory diesel . I noticed it has a power steering box with 2 extra hose ports that go to a hydro ram that's bolted to the left frame rail / special pitman arm . would this be something I might wana grab for a price ? incase I want beffyer steering if I go 4x4 conversion with 5 ton military axles ? |
Re: so i went and looked at this today
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-Richard |
Re: so i went and looked at this today
yes I have p/s but my thinking was for the 5ton military axle swap if I keep it and make a big boy toy out of it . the extra ram would help turn the 48-53" tires I would run on it . some 5ton trucks in military have a ram on the pass side to help take load off the parts I have noticed .
and yes the other truck has the flip nose option and its a factory diesel that's hade lots of stuff pillaged off it already . the flip nose hood I tilted up to see was super floppy and the truck had a lot more wear / tear than mine . would it be worth a second look and if so what would it be worth for the front nose parts ? I know the rad is gone and a lot of its brackets / mounts . I don't mind my hood only style that much . I am working on one currently and had to get in the pass side . I unbolted the inner fender and had tons of room inside. |
Re: so i went and looked at this today
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I checked the factory service manual and the steering setup that you are describing is called semi-integral and came on the 12,000 pound front axle trucks. -Richard |
Re: so i went and looked at this today
tuned in. like where this is going.
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