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Old 08-18-2014, 10:50 AM   #1
Tony_SS
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Question Need some help with proper names (C-10 etc)

I'm doing some work and need to the proper nomenclature of how the 73-87 trucks were named.

78-87
Chevy 2wd = C-10
GMC 2wd = ?

Chevy 4wd = K-10
GMC 4wd = ?

Chevy 4wd Blazer = K-5 (same for 2wd?)
GMC 4wd Blazer = ?
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Old 08-18-2014, 11:29 AM   #2
kcackler
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Re: Need some help with proper names (C-10 etc)

IIRC,

GMC 2wd = C15
GMC 4wd = K15

Not sure about the Blazer one (And I may not be correct about the other two either)
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Old 08-18-2014, 11:51 AM   #3
Keith Seymore
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Re: Need some help with proper names (C-10 etc)

It varied a little bit, because of Marketing speak.

A couple iterations, based on model year:

78-87
Chevy 2wd = C-10
GMC 2wd = same

Chevy 4wd = K-10
GMC 4wd = same

Chevy 4wd Blazer = K-5 (same for 2wd?)
GMC 4wd Blazer = same

- or -

Chevy 2wd = C-10
GMC 2wd = C-15

Chevy 4wd = K-10
GMC 4wd = K-15

Chevy 4wd Blazer = K-5 (same for 2wd?)
GMC 4wd Blazer = K5

-or -

Chevy 2wd = C1000
GMC 2wd = C2500

Chevy 4wd = K1000
GMC 4wd = K2500

Chevy 4wd Blazer = K-5 (same for 2wd?)
GMC 4wd Blazer = K-5

The physical configuration of the truck itself was the same in each case. In terms of the engineering model numbers they were always the same between Chevy and GMC.

K
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Old 08-18-2014, 12:54 PM   #4
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Re: Need some help with proper names (C-10 etc)

I see... so calling a GMC a C-10 is still technically correct?
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Old 08-18-2014, 01:36 PM   #5
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Re: Need some help with proper names (C-10 etc)

Let's not forget the R10 and V10.
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Old 08-18-2014, 02:21 PM   #6
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Re: Need some help with proper names (C-10 etc)

Too many moving parts to keep track of .......
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Old 08-18-2014, 02:58 PM   #7
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Re: Need some help with proper names (C-10 etc)

73-86 chevy is 10, 20 or 30...C for 2wd K for 4wd. GMC is 15, 25 or 35...C or K like chevy.

87-91 is 1500, 2500, 3500. R for 2wd V for 4wd
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Old 08-18-2014, 03:14 PM   #8
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Re: Need some help with proper names (C-10 etc)

Very informative.. thanks guys!
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