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Old 07-21-2011, 07:57 PM   #1
lwelch
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gvw of 1976 k20 truck

Can anyone tell me what the gvw of a 1976 k20 is? I'm a fairly descent mechanic i can fix most problems myself,i recently rebuilt the engine in my truck and it ran good. Now all of a sudden there's a loud squeeking that i can't figure out. It sounds like a belt. I replaced the alternator which worked for awhile but its back again. It never did it before the rebuild. I would appreciate it if anyone could help me out. Thanks.
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Old 07-21-2011, 08:25 PM   #2
dmack91
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Re: gvw of 1976 k20 truck

Try here on post #6:

http://67-72chevytrucks.com/vboard/s...d.php?t=226214
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Old 07-22-2011, 09:13 AM   #3
lwelch
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Re: gvw of 1976 k20 truck

For more information on my 1976 k20 it has 3 leaf springs in front and 7 in the back. It has a small block 400 and it's full time four wheel drive.
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Old 07-25-2011, 10:36 AM   #4
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Re: gvw of 1976 k20 truck

1) Are you talking about gvwr?


2) What does this have to do with the alternator/belt(s)?
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Old 07-25-2011, 03:56 PM   #5
lwelch
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Re: gvw of 1976 k20 truck

yes i was talking about the gvwr. the other was just another question i had. thanks for replying.
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Old 07-26-2011, 12:17 AM   #6
Gregs71
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Re: gvw of 1976 k20 truck

In '76 there were two 3/4 ton ratings. a "light duty" 3/4 ton rated at I believe 7600lbs, and a "heavy duty" 3/4 ton rated at 8200lbs.

In my experience the "heavy duty" trucks seem to have a payload rating of about 2900-3000lbs---not sure about the light duty trucks.
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