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mountainexplorer’s 1980 GMC 3/4 Ton

The GMC

Another mountainexplorer 1980 GMC 3/4 Ton post...
  • Nov 14, 2013

The 1980 GMC 3/4 ton 4x4 Sierra Grande. We bought it in 1994 when I was 13 years old. We retired our '68 Chevy 3/4 ton 2wd truck and began using this 1980 GMC as ... more

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Another mountainexplorer 1980 GMC 3/4 Ton post...
  • Nov 14, 2013

Then even though the truck ran great all weekend, when I went back up on a last trip to get it and tow it home, the motor spun rod bearings. So the 468 is now in need of ... more

3 photos
Another mountainexplorer 1980 GMC 3/4 Ton post...
  • Nov 14, 2013

We found out it had an intake valve going bad when I was 16, so it needed a motor or a rebuild. Originally I looked into how much a 350 rebuild would cost... then I star ... more

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  • Engine Size
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  • HP
    -1
  • 0-60 Time
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  • Weight
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  • 1/4m sec
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  • Torque
    -1
  • Top Speed
    -1 mph
  • Exterior Color
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  • Interior Color
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Comments (15)
  • chevyman_396
    Hey, awsome truck, I just started a new group called chevy/gmc 4x4s, it would be cool if you joined.
  • 01dukesofhazzard
    nice truck man i need to get my truck running and go mudding with u some time
  • punked64
    Wicked truck man! I was wondering if you still remember what it took to swap the 350 to a 454? Was it a direct swap or did you have to mod a few things? If you get let me know in my guestbook that would be great! Thanks
  • donnel
    tough truck good to see u wheel it
  • drew509
    Nice truck man!
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