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10-02-2002, 02:12 PM
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#26 |
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Registered User
Join Date: Aug 2002
Location: Meridian, Idaho
Posts: 164
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I believe the THM350 code is M49 as shown on my option list toward the top of this thread.
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1972 C-10 LWB, 400/350, 2WD 1972 C-20 Custom Camper, 350/350, 4WD (Converted) |
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10-02-2002, 03:13 PM
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#27 |
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Registered User
Join Date: Jun 2001
Location: Eastern Kansas
Posts: 488
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Thats what I thought, but started wondering when I saw your option sheet with a big block and the same code for a tranny as what mine has. My transmission was replaced before I bought the pickup and I thought maybe they had replaced the THM 400 with a THM 350. I looked at the codes for a 1970 model that they was posted and it is difficult to read, but it looked like the M49 was the 400.
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'72 Cheyenne. AC, PS, PB, Rear slider window, tilt. Light yellow (grapefruit yellow according to new sales literature from '72) '56 Chevy short step V-8 (My dad bought it new!!) '70 Olds 442 convertible '70 Olds Rallye 350 |
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10-02-2002, 10:20 PM
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#28 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Hmmm, 70 one ton chevy...TH400, M49. I'm looking at my build sheet as I type this.
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10-02-2002, 11:01 PM
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#29 |
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Registered User
Join Date: Sep 2000
Location: Tampa, FL. USA
Posts: 171
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Anyone know what the "ADDITIONAL GASOLINE" code on my truck includes? It does not have any gas tanks other than the one behind the seat. There is no evidence of any tanks being removed from anywhere on the truck.
Any ideas?
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Mike 1989 C1500 SWB Reg Cab 2003 Chevy Tahoe Z-71 70 Camaro RS/SS - 454 |
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10-08-2002, 09:34 PM
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#30 |
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Registered User
Join Date: Jul 2002
Location: Ventura, Ca.
Posts: 87
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Check this site out. I had the same problem, but after searching and searching, I found this guy who has the actual option codes on his website! This really helped out. These are actual pages from the GM parts catalog. Here's a link.
http://groups.msn.com/Alsplac/options.msnw?Page=Last
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Aaron Ventura, Ca. 1972 GMC Super Custom SB350/TH400 |
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10-08-2002, 09:58 PM
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#31 |
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Senior Member
 
Join Date: Jun 2000
Location: Texan in Iowa
Posts: 2,522
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Hmm, have we resolved the M49 option code yet? My '67 has RPO M49 and is supposed to be a TH400, but I can't remember ever checking for myself. I'll have to crawl in the dirt and have a look-see next time I'm at the folks'.
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Ben '68 Chevy C10 Custom LWB 327/TH400 2nd owner '16 GMC Sierra 1500 SLE Dblcab 4wd 5.3 |
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