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Old 03-17-2011, 10:30 PM   #1
mightymouse
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trans floor hump question?

i have 72 gmc 2 wheel drive half ton thats missing the trans hump are the floor pans the same ? and differnt transmissons i dont know if i need a low hump or high any help would be appricated thank you.
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Old 03-17-2011, 10:38 PM   #2
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Re: trans floor hump question?

If it is bolted in, it is a hi-hump.
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Old 03-17-2011, 10:41 PM   #3
WIDESIDE72
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Re: trans floor hump question?

TH400- high hump

TH350- low hump
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Old 03-17-2011, 10:56 PM   #4
mightymouse
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Re: trans floor hump question?

i dont know what trans came factory but i put th350 in it the info missing on glove box lid . will either hump bolt in are the floorpans the same? thanks for info.
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Old 03-17-2011, 11:03 PM   #5
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Re: trans floor hump question?

If the hump is missing, you will need a hi-hump. A low hump is part of the floor.
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67 gmc custom lwb dakota truck. Sold...And bought back
69 swb 4x4 project (in progress)
70 c-10 lwb texas truck
70 4x4/BB/bkts/posi/tach(retired)
70 swb (wifes)
70 jimmy camper
71 K-5 factory 2wd
71 cheyenne 4x4/tach/posi/ plow rig
71 Cheyenne20 BB, buckets, tach, tilt, 4 speed
72 jimmy CST wyoming rig
72 jimmy Colorado rig
72 lifted texas 4x4 3/4 ton burb
65 fury conv. 383/auto
65 chrysler 300 "L" 413 auto
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Old 03-17-2011, 11:12 PM   #6
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Re: trans floor hump question?

i thought i saw low hump covers also maybe not. ok thankyou guys. im new at trucks thanks.
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Old 03-17-2011, 10:50 PM   #7
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Re: trans floor hump question?

wideside, that's not how it went.

4x4 trucks... high hump
4 speeds... high hump
big block with automatic... high hump
All others, got the low hump.
There were a handfull that got a high hump and shouldn't have, but what I typed was what GM said.
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