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Old 09-27-2015, 10:25 AM   #25
GonicGM
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Join Date: Mar 2014
Location: Rochester, NH
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Re: main differences between 73-79, 81-87

Quote:
Originally Posted by GonicGM View Post
All GM 4x4's were produced from the factory with transfer case syncronizers and Automatic hubs and GM's promotion was "shift on the fly" as follows:

81-84 K1/K2
82-84 K3

In 1985/1986 either manual or automatic hubs were available. Automatics were available on K/V 1,2 through 1991. K30 could not get automatics after 1986.
1981 and newer K/V that were factory equipped with manual hubs will specify option code X6W in glove box.
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83 K30 SRW 350 TH400 NP205 4.10 9' Fisher
85 K30 SRW 350 TH400 NP205 4.10
87 V3500 Dually 454 TBI SM465 NP205 4.10 9' Fisher
83 K2500 350 TH700R4 8600GVW Dual Tank 4.10
1973 Cheyenne Super 30 DRW Std Cab Z83 4.10
1976 Silverado C30 Std Cab 4.10 DRW (4 sale)

Last edited by GonicGM; 09-27-2015 at 10:26 AM. Reason: K not R
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