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04-08-2016, 03:32 PM
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#1 |
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Registered User
Join Date: Mar 2015
Location: san rafael california
Posts: 202
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What years came with th350?
I just read somewhere that the th350 didnt come in any 1967 1968 trucks, is this so? did they really only put th400s in these trucks until the 70s?
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04-08-2016, 04:20 PM
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#2 |
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Registered User
Join Date: Jan 2016
Location: Saskatchewan
Posts: 357
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Re: What years came with th350?
The TH350 was first used in 1969 by GM, I am not sure if the C10 was granted it that year or the year after, so to confirm, yes 1967 and 68 trucks did not have a TH350.
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1972 C10 - It might be old, but it's not slow |
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04-08-2016, 04:23 PM
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#3 |
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Registered User
Join Date: Jan 2016
Location: Saskatchewan
Posts: 357
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Re: What years came with th350?
"The TH350 is an automatic shift, three-speed transmission. It is widely considered to be one of the greatest of automatic transmissions ever built.
The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. Jointly developed by Chevy and Buick, it is also referred to as the CBC (Chevrolet-Buick Combined) 350. The Turbo 350 quickly become known for its strength, versatility and compactness. The HydraMatic 350 transmission was prevalent in nearly all GM, rear-wheel-drive cars and trucks through 1984. It was typically paired with Small Block V6 & V8 engines. It was phased out of use and superceded by GM's 700R4 starting in 1982."
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1972 C10 - It might be old, but it's not slow |
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04-08-2016, 04:36 PM
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#4 |
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Senior Member
 
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,975
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Re: What years came with th350?
TH400, intro'ed in 65, is something you'll even see on a 283/327 66-68 C10 with an automatic. TH400 is stronger, of course, but the TH350 is so prolific and common, it truly is a great piece of gear to have been around so long. Another tid-bit, on the subj, TH350 was the only option for automatic trans in a K10/20 in our era trucks. And 3/4 tonners did not automatically get a TH400 either. TH400 is most commonly paired with a big block truck, but we've even seen exceptions to that norm on here I believe.
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04-08-2016, 07:00 PM
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#5 |
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Registered User
Join Date: Jan 2016
Location: Saskatchewan
Posts: 357
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Re: What years came with th350?
I love love love manually ripping through the gears on my purpose built TH350. It absolutely rips. Stock to stock the TH400 is stronger than the TH350, but it is also heavier has more rolling mass and Rob's significantly more HP.
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1972 C10 - It might be old, but it's not slow |
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04-08-2016, 07:24 PM
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#6 | |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: What years came with th350?
Quote:
Like Jocko said, I don't think automatic transmissions were available in 4x4 trucks, officially, until 1971 model year.
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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04-08-2016, 09:28 PM
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#7 |
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Senior Member
Join Date: Jan 2002
Location: Williston, ND
Posts: 2,999
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Re: What years came with th350?
1969 was first year for GM, including our trucks. Power glide and turbo 400 before that. 69 4wd only blazers got the th350. 1970 was first availability of th350 in the rest of the 4wd line
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68 Chevy CST/10, 50th Anniversary, 327/th400, 373 posi, buckets 68 GMC Shortbox Stepside, 402/th400, Tilt, Tach, Bucket Seats, 3.08 Positraction 69 Chevy Camaro SS, 383, 4 speed, positraction 70 Chevy El Camino SS396, Triple Black, 454/th400, Tach 70 Chevy Shortbox Stepside 4x4, 350/th350, Tilt, Tach, Cab Lights, Bumper Guards, Tow Hooks 70 Chevy 3/4 Longbox, 350/auto, 70k, SURVIVOR 71 Chevy Blazer, CST, 350/auto 71 GMC Sierra K2500, 454, 4 speed, 4.10 posi, 37s 71 Custom/30, Open Road, 350/th400, tilt 72 Chevy Shortbox Fleetside, 496 Stroker/th400, Tilt, Tach, Bucket Seats, 3.42 Posi 72 GMC Sierra Grande 2500. 427/th400, tilt, a/c, tool and stowage, buckets/console, 3.54 posi |
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04-09-2016, 07:53 AM
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#8 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: What years came with th350?
^^^ BINGO!! '69 Blazer was the first use of NP205 transfer case (with the TH350), too
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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04-09-2016, 09:07 PM
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#9 |
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Registered User
Join Date: Nov 2015
Location: Chandler AZ.
Posts: 16
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Re: What years came with th350?
My 67 says turbo hydra-matic on the spid so what do I have?
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04-09-2016, 09:48 PM
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#10 | |
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Registered User
Join Date: Apr 2014
Location: golden, CO
Posts: 55
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Re: What years came with th350?
Quote:
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Paul "Mike" Tzareff 
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04-09-2016, 09:55 PM
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#11 |
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Registered User
Join Date: Nov 2015
Location: Chandler AZ.
Posts: 16
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Re: What years came with th350?
Weird, it's a 1/2 ton with a 327 v8, always figured it was a th350
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04-09-2016, 10:02 PM
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#12 |
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Registered User
Join Date: Jan 2016
Location: Saskatchewan
Posts: 357
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Re: What years came with th350?
If it says Hydromatic it's the TH400.
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1972 C10 - It might be old, but it's not slow |
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04-08-2019, 12:46 PM
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#13 |
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I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: What years came with th350?
I always thought the Powerglide came in early trucks also.
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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04-08-2019, 08:05 PM
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#14 |
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Senior Member
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,975
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Re: What years came with th350?
RPO M35 = PG and was available thru 71
RPO M49 = TH400 (only) thru 68 RPO M49 = TH400(w/BBC) | TH350(w/SBC) starting in 69 "Turbo-Hydramatic" just meant a 3-speed Automatic - which one you got, TH350 vs TH400 (starting in 69) was dependent on engine ordered. General rule - I do believe there are exceptions. |
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04-08-2019, 09:31 PM
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#15 |
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Registered User
Join Date: Aug 2014
Location: Mena,Arkansas
Posts: 485
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Re: What years came with th350?
My '68 had a 327 with a TH400 in it from the factory. Still have the trans but I am running the TH350 now.I like the 350 engine and 350 trans combo.
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68' with no bells or whistles unless I add'em. |
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04-08-2019, 09:55 PM
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#16 | |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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Re: What years came with th350?
Quote:
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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04-08-2019, 10:22 PM
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#17 |
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Registered User
Join Date: Feb 2007
Location: west coast
Posts: 3,395
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Re: What years came with th350?
Prior to '69, the TH 400 was the only 3 speed auto, the powerglide was the only 2 speed auto. It gets interesting and confusing between '69-'72, where there were 2 3 speed autos, both called " turbo hydramatics". GM most often used the M 49 code for both autos on SPIDS. A few SPIDS use the correct M 38 code for TH 350. The application is were it gets confusing, it can be engine specific, series 10 20 30 specific and year specific. TH 350 usually show up in non big block 69-72 2WD-4WD C 10's- C 20's. TH 400's usually show up in big block trucks and C 30's and some '69 C 20's with any engine 6 or SB. TH 400 was generally reserved for more severe operating conditions. Not sure if you could have special ordered one 3 speed auto over the other 3 speed auto outside regular rules and specifications.
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04-08-2019, 10:33 PM
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#18 | |
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Senior Member
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,975
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Re: What years came with th350?
Quote:
 he said that only the TH350 was offered in 4x4s, i.e. no PG or TH400. Just to clarify. What I did learn in these subsequent posts is when TH350 first became available in the Ks. I doubt Turbo-Hydro confusion will ever go away with both the TH350 and TH400 being the same RPO...
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04-09-2019, 02:06 PM
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#19 |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: What years came with th350?
I have a 67 and a 68 c10 , both had powerglides from the factory . I also have a 69 c10 that came from the factory with a turbo 400 . turbo 350 transmissions are great ,, that is to say Ive never killed one , and I did have a built 461 bbc with 650 foot pounds in front of a well built one , it worked well . I have killed a 2004r ,, and several 4l60s ,, hate 4l60s
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68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs 67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive 58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white 69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive |
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04-09-2019, 03:44 PM
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#20 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: What years came with th350?
But... some internal parts from the 4L60's can interchange with the TH350 and make a beefier TH350.
 Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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04-09-2019, 05:56 PM
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#21 | |
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Senior Member
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,975
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Re: What years came with th350?
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04-09-2019, 09:18 PM
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#22 |
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Registered User
Join Date: Sep 2014
Location: Cullman Alabama
Posts: 1
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Re: What years came with th350?
My Grand Paw bought a new 69 chevy that came with a 307 not long after he got it , motor blew and they replaced it with a 350.
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11-30-2024, 01:56 PM
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#23 | |
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Registered User
Join Date: Mar 2022
Location: Stigler, OK
Posts: 23
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Re: What years came with th350?
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11-30-2024, 01:58 PM
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#24 |
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Registered User
Join Date: Mar 2022
Location: Stigler, OK
Posts: 23
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Re: What years came with th350?
My '69 C10 has a factory 350/TH350.
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12-01-2024, 06:23 PM
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#25 | |
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Registered User
Join Date: Feb 2007
Location: west coast
Posts: 3,395
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Re: What years came with th350?
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