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07-01-2010, 08:35 PM | #1 |
Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Casting number
Hey all,
Took this number off the pad infront of the cylinder head (passenger side) K10 23 TBC Any idea what all it means? Matt
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1970 GMC 1/2 Ton 4x4 350sbc SM465 NP205 |
07-01-2010, 08:44 PM | #2 |
Amazed Member
Join Date: May 2010
Location: Dahlonega Georgia
Posts: 486
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Re: Casting number
Check out this webpage
http://www.nastyz28.com/chevy-engine-code-stampings.php TBC 1970 350 conv fwd cabs, a/t 255HP 4BBL C-10 to 3500 TBC 1970 350 m/t, 3 spd 255HP 4BBL K-10 & 20 TBC 1979 350 conv. cab, m/t,fed L LS9 165HP 4BBL C-10 to 2500 Jeff |
07-01-2010, 08:54 PM | #3 |
Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Re: Casting number
It says the suffix code is TBC but that is the 3 spd and i have a 4 spd m/t in mine
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1970 GMC 1/2 Ton 4x4 350sbc SM465 NP205 |
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