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Old 02-11-2010, 10:10 PM   #1
northerngmc
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High hump

Can you tell from this picture if this is a high hump floor?




It is a 70 GMC 3/4 ton with a small block and a 4 speed.

Is there a common fomula for what came with a high hump?

Which is more desirable?
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Old 02-11-2010, 10:15 PM   #2
67chevy2wd
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Re: High hump

Yes it is a high hump. Pretty sure all manual transmissions had high humps.
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Old 02-11-2010, 10:22 PM   #3
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Re: High hump

Where in the he!! is the clutch peddle?
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Old 02-11-2010, 10:22 PM   #4
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Re: High hump

My '68 was a manual, "three on the tree" and it has a low hump. From your pic it seems like it is a high hump. If that is bolts around the base of it, it is.
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Old 02-11-2010, 10:32 PM   #5
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Re: High hump

Yes it is a high hump.
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Old 02-11-2010, 10:45 PM   #6
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Re: High hump

Quote:
Originally Posted by 69 longhorn View Post
Where in the he!! is the clutch peddle?
Just to the left of the brake pedal!

It is down on the floor, you can just barely see it on the extreme left edge of the photo.
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1.61803 is one H of a lot better than 3.14159, no really it is!

Last edited by northerngmc; 02-11-2010 at 10:46 PM.
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Old 02-11-2010, 10:57 PM   #7
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Re: High hump

Yes its a high hump, the low hump was molded to the floorpan, the high hump was bolted, and ya the clutch pedal is barely visible.....

i thought the high hump only came with manual trans. i know i saw a thread on this......
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Old 02-11-2010, 11:44 PM   #8
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Re: High hump

Quote:
Originally Posted by northerngmc View Post
Just to the left of the brake pedal!

It is down on the floor, you can just barely see it on the extreme left edge of the photo.
Damn, Im blind....but I still cant see the clutch peddle(yikes, it he!! to be old) crazyAL
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Old 02-12-2010, 07:44 PM   #9
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Re: High hump

high humps;
all 4X4 trucks
all 4 speed trucks
all big blocks with automatic

Those are the only ones that were supposed to get them, but an odd ball went down the line from time to time with a high hump.
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Old 02-12-2010, 09:50 PM   #10
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Re: High hump

I have even run across a truck that was 402/TH400 and had a low hump in it
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Old 02-12-2010, 10:56 PM   #11
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Re: High hump

My 67 is a high hump, and per the VIN = 6 cylinder, 3/4 ton, also has the column shift. Also has an odd model type in the VIN, it's a 9, not 4,6,or 8. Look up your vin just for kicks, or you may find something diff about your truck. BTW didn't help me though cause I still don't know what the 9 means for my truck.
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Old 02-12-2010, 11:38 PM   #12
Longhorn Man
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Re: High hump

JHT... whats your VIN? Also... what part of Columbus you in?
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Old 02-13-2010, 12:00 AM   #13
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Re: High hump

Longhorn Man-the VIN CS297B145888. I live on the southside, just north of Southern Pines=23 s./270 area.

Last edited by JHT67; 02-13-2010 at 12:01 AM.
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Old 02-13-2010, 12:22 AM   #14
Longhorn Man
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Re: High hump

I'm thinking a 9 model is a cab/chassis... maybe a flat bed. I'll have to dig into my books tomorow if no one can confirm/deny.
rt 23.... by the old K-mart, right?
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Old 02-13-2010, 12:32 AM   #15
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Re: High hump

Longhorn-- Yep borned and raised,( not in the old k-mart though) you always been in Hilliards? I kind of thought some kind of work truck/tow truck, but LMC was all the VIN help I could find, it'd be really cool if I could find out what the 9 is, thanks for lookin'

Last edited by JHT67; 02-13-2010 at 12:34 AM.
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Old 02-13-2010, 07:37 AM   #16
Longhorn Man
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Re: High hump

I actually just moved here a few months ago. I was at Rikenbacker for a tick in highschool then on the west side for a long time, left here (7.5 years US Army) and came back to the west side in 01.
I'm out the door right now for a loooong day at work... I'll try to look that up this evening.
I raced twice at the BMX dirt track by the K mart back in '90 or so... maybe '91.
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Old 02-13-2010, 10:18 PM   #17
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Re: High hump

^^^ Longhorn Man, PM sent.
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Old 02-14-2010, 12:21 AM   #18
Longhorn Man
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Re: High hump

CS297B145888
2 wheel drive
inline six
3/4 ton
Stake bed
1967
Baltimore plant
first/only assembly line
45888th off that line
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