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09-27-2018, 07:27 PM | #1 |
Senior Member
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Factory th400 transmission
I’ve skimmed the posts on here about it but I was curious on whether or not a factory 400 transmission was available behind a factory 327 in a 1/2 ton pickup. Looking at one and was curious if it was possible in a 1/2 ton or if it was a 3/4 ton and up option. Gear indicator shows park R N D L1 L2. Just was curious on if possible and roughly an amount built with them. Thanks
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09-27-2018, 11:56 PM | #2 |
60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
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Re: Factory th400 transmission
I've never seen a factory installed TH400 in a C10, only in the C20's. But that doesn't mean it didn't happen.
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09-28-2018, 03:01 AM | #3 |
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Re: Factory th400 transmission
Reported here that it was a possible option. GM Heritage Center should provide an answer under vehicle kits. Will need to look 66’ with factory turbo 400, shift indicator. The one you reported, maybe for 67’ up trucks- not sure.
Les |
09-28-2018, 10:57 AM | #4 |
But Found Her 25yrs Later!
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Re: Factory th400 transmission
The guy here that had a factory roller cam most likely had a factory th400 in his c10.
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I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035 |
09-28-2018, 05:35 PM | #5 |
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Re: Factory th400 transmission
I think the TH400 was introduced in model year 1964 for Cadillac and Buick, then the following year for Olds and Pontiac. I don't think the TH400s were used in trucks until the 1970s.
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1963 C-10: Deluxe-optioned cab, shortbed, fleetside Pontiac 462 ci, Kauffman D-Port alum. heads 4L80E, narrowed sheetmetal Ford 9-inch Tubular front and rear suspension Custom 6-piston front disc and 4-piston rear disc brakes |
09-29-2018, 01:03 AM | #6 |
60-66 Nut
Join Date: Mar 2007
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Re: Factory th400 transmission
I have seen a few '65-'66 C20's with TH400's from the factory. One was a '66 GMC that came from the factory with a V6 and TH400.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
09-29-2018, 02:48 AM | #7 |
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Re: Factory th400 transmission
For 1966, the three speed automatic was not listed as optional equipment for C10, as it was for C20.
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09-29-2018, 08:46 AM | #8 |
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Re: Factory th400 transmission
Yep, not in the half-ton/C10s until the '70s.
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1963 C-10: Deluxe-optioned cab, shortbed, fleetside Pontiac 462 ci, Kauffman D-Port alum. heads 4L80E, narrowed sheetmetal Ford 9-inch Tubular front and rear suspension Custom 6-piston front disc and 4-piston rear disc brakes |
09-29-2018, 08:54 AM | #9 |
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Re: Factory th400 transmission
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09-29-2018, 03:31 PM | #10 |
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Re: Factory th400 transmission
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
09-30-2018, 06:50 PM | #11 |
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Re: Factory th400 transmission
1967 is the first TH400 in a C10 , not available in 66 for C10
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