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Old 12-29-2005, 09:36 PM   #1
Chrome8
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Vin Number on the frame?

I'm going to look at a K20 rolling chassis in the morning. Its supposed to be a 70 or 71 but the guy that found me the truck can't remember what year it is. Is there a vin or model number stamped in the frame somewhere so i know what this thing actually is, there is no body on it at all.



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1969 K20 not running, complete but rusty with wrecker boom and push bumper
1969 GMC C20 un-molested rust free original paint "a 4 eyed girl named 'Tina"
1971 Chev K20 4X4 Box Delete Commercial Truck Flatbed

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Old 12-29-2005, 09:38 PM   #2
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Re: Vin Number on the frame?

yes the vin number is stamped on the driver side frame rail at the front of the frame rail facing up and also underneath the cab on the driver's side frame rail facing up
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Old 12-29-2005, 09:49 PM   #3
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Re: Vin Number on the frame?

i can't remember if enough of the VIN is on there to I.D. the year or not... it is a partial VIN.
Here is where it is located up front...at least, on a 2 wheel drive truck anyways.
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Old 12-29-2005, 09:46 PM   #4
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Re: Vin Number on the frame?

My GMC has a date stamped into the passenger framerail, facing outboard, visible below the pass. door, and VIN at the usual location under the drivers inner fender facing upward.
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Old 12-29-2005, 09:49 PM   #5
Chrome8
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Vin Number on the frame?

I'm going to look at a K20 rolling chassis in the morning. Its supposed to be a 70 or 71 but the guy that found me the truck can't remember what year it is. Is there a vin or model number stamped in the frame somewhere so i know what this thing actually is, there is no body on it at all.



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1969 K20 not running, complete but rusty with wrecker boom and push bumper
1969 GMC C20 un-molested rust free original paint "a 4 eyed girl named 'Tina"
1971 Chev K20 4X4 Box Delete Commercial Truck Flatbed

"Choose a job you love, and you will never have to work a day in your life."

Confucius
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Old 12-29-2005, 09:51 PM   #6
Longhorn Man
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Re: Vin Number on the frame?

OK, just confirmed, it is a partial VIN, the very first digit should be the year.
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Old 12-29-2005, 09:52 PM   #7
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Re: Vin Number on the frame?

Merged the two threads you had.
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Old 12-29-2005, 09:53 PM   #8
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Re: Vin Number on the frame?

cool, thanks for the help guys! I'll take some pics if i buy it. I need to identify the diffs too. I don't know whats what there.
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1969 K20 not running, complete but rusty with wrecker boom and push bumper
1969 GMC C20 un-molested rust free original paint "a 4 eyed girl named 'Tina"
1971 Chev K20 4X4 Box Delete Commercial Truck Flatbed

"Choose a job you love, and you will never have to work a day in your life."

Confucius
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Old 12-29-2005, 09:55 PM   #9
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Re: Vin Number on the frame?

krue, i'm new i didn't mean to post that twice, sorry.
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1969 K20 not running, complete but rusty with wrecker boom and push bumper
1969 GMC C20 un-molested rust free original paint "a 4 eyed girl named 'Tina"
1971 Chev K20 4X4 Box Delete Commercial Truck Flatbed

"Choose a job you love, and you will never have to work a day in your life."

Confucius
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Old 12-30-2005, 06:02 AM   #10
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Re: Vin Number on the frame?

Quote:
Originally Posted by Chrome8
krue, i'm new i didn't mean to post that twice, sorry.
No problem.
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70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e
93 S-10 "Poppaw's Truck"
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Old 12-29-2005, 10:33 PM   #11
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Re: Vin Number on the frame?

Well 70 would be an open knuckle but drum brakes and 71/72 would be open knuckle and disc brakes up front. 69 down were closed knuckle...ball style.

First number on frame vin is year.
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Old 12-29-2005, 11:41 PM   #12
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Re: Vin Number on the frame?

That's all good stuff to know. I'll have to figure out if it's eaton, dana 44 or dana 60 too. I don't know what the different ones look like. I definetly want disk brakes up front. At one time i saw an axle guide online, i should've printed that out, it showed all the different style diffs with pics.
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1969 K20 not running, complete but rusty with wrecker boom and push bumper
1969 GMC C20 un-molested rust free original paint "a 4 eyed girl named 'Tina"
1971 Chev K20 4X4 Box Delete Commercial Truck Flatbed

"Choose a job you love, and you will never have to work a day in your life."

Confucius
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Old 12-30-2005, 12:02 AM   #13
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Re: Vin Number on the frame?

Chrome8
This might help ya out on the axle id
http://coloradok5.com/axleguide.shtml
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Old 12-30-2005, 01:03 AM   #14
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Re: Vin Number on the frame?

hey, that's the one! Thanks, i hope it does the trick...eaton isn't listed though, anyone know anything about those?? i might have one under the 69 parts truck. it's a k20
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1969 K20 not running, complete but rusty with wrecker boom and push bumper
1969 GMC C20 un-molested rust free original paint "a 4 eyed girl named 'Tina"
1971 Chev K20 4X4 Box Delete Commercial Truck Flatbed

"Choose a job you love, and you will never have to work a day in your life."

Confucius
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