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Old 07-29-2014, 12:16 PM   #1
Mrhorsepower92
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Transmission hump

I got a question about transmission humps. what type of trucks used the tall humps was it just manual transmission and 4x4s. where they ever used on a 2wd big block auto.

Thanks
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Old 07-29-2014, 01:16 PM   #2
RenoKeene
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Re: Transmission hump

I believe the bolt-in high humps were 4x4 and big block only.
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Old 07-29-2014, 11:23 PM   #3
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Re: Transmission hump

4x4 or 4 speed or big block with auto trans trucks got them.
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Old 07-30-2014, 12:19 AM   #4
Mrhorsepower92
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Re: Transmission hump

Thanks for the help my 72 stepside is missing the hump and I was curious if it was correct for a big block auto
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Old 07-30-2014, 06:57 AM   #5
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Re: Transmission hump

Only the 3 speeds had the small hump.
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Old 07-30-2014, 07:37 AM   #6
lolife99
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Re: Transmission hump

Quote:
Originally Posted by 71sixgun View Post
Only the 3 speeds had the small hump.
And TH-350 and Powerglide automatic trucks.
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Old 07-30-2014, 10:55 AM   #7
hugger6933
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Re: Transmission hump

If your truck is missing the hump and the high hump is the only one that bolts in wouldn't that narrow the field? My 68 GMC is a high hump it was 396 T400 it also is/was a 3/4 ton. I prefer the high hump as for the look inside as compared to the low one that is one reason when my 70 3oot is changed to the T-5 I am doing it back with a high hump as well. Jim
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Old 07-30-2014, 11:10 AM   #8
Mrhorsepower92
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Re: Transmission hump

Thanks I didn't realize the high hump was the only one that bolts in
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Old 07-30-2014, 11:16 AM   #9
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Re: Transmission hump

Quote:
Originally Posted by 71sixgun View Post
Only the 3 speeds had the small hump.
My original 69 3/4 ton 2WD with 350 and TH400 has a low hump also.
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Old 07-31-2014, 08:01 AM   #10
71sixgun
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Re: Transmission hump

I didn't realize that the th350, th400 and the powerglide had low tranny humps well.
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Old 07-31-2014, 02:14 PM   #11
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Re: Transmission hump

Scored a '72 Custom 20 with a rotted cab (I think I can lift the roof section off by hand!), but a nice high hump section. This will go into the '70 C10 T5/TPI set-up rather nicely.
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