Tilt Steering Column

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AaronW

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My son and I are working on on his 75 High Sierra K15. Right now, we're getting ready to paint, but the steering is going to need some work, shortly, and it may need a new column, in addition to a gearbox. It's a 4 speed auto. It would be real nice to have tilt steering, as the cab is pretty tight. Has anyone got any experince with LMC's tilt column? Are there tilt columns from other rigs that will work, that would be cheaper than LMC's, or this: https://www.cjponyparts.com/ididit-steering-column-chevrolet-c10/p/STC121-V/ (which should fit a K15 too, right?).

Would be nice to have a slightly shorter one too, though I see in some other threads, that people are just using some smaller dia wheels, which would work, too.

Thoughts? My 16 year old so is paying for all that, and it would be nice to find him a cheaper option, he's got a bit of sticker shock, having just bought paint...

While I'm at it, too, I've got a gearbox out of a 1980 dually. Assuming that it would fit my boy's truck, how could I test it to see if it's any good?

Aaron
 
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I think 75 and 80 will have the same hose fittings on the steering gear, i believe in 81 they went to bubble flare w/ oring vs prior was double flare. You can change the fitting on back of pump to match whatever box you have, but easier to just get right one.

Is there a rush to get the column? If not, and are patient you can probably find one used to save some money. Would want to confirm no slop, otherwise may need to be rebuilt.
 
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Too bad that you are a long way from SETX, I have a couple of used factory square body tilt columns I would let go for a reasonable amount. The 73-83 units are the same; 84 is when they went to the multi function switch with dimmer switch in the column. Big box on left side of the column around where the stick comes out. 73-83 don't have that, and that's how the columns I have are.
 
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Has the ‘75 transmission been swapped with something newer? There was no 4 speed auto in ‘75.

I’m also confused about your mention of a replacing the gearbox. Do you mean the transmission or the transfer case?
 
AuroraGirl

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Muddybuddy said:
I think 75 and 80 will have the same hose fittings on the steering gear, i believe in 81 they went to bubble flare w/ oring vs prior was double flare. You can change the fitting on back of pump to match whatever box you have, but easier to just get right one.

Is there a rush to get the column? If not, and are patient you can probably find one used to save some money. Would want to confirm no slop, otherwise may need to be rebuilt.
Click to expand...
close
1979 or 1980 is the first year of the o ring

I have the o ring, 1980
 
AuroraGirl

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AaronW said:
My son and I are working on on his 75 High Sierra K15. Right now, we're getting ready to paint, but the steering is going to need some work, shortly, and it may need a new column, in addition to a gearbox. It's a 4 speed auto. It would be real nice to have tilt steering, as the cab is pretty tight. Has anyone got any experince with LMC's tilt column? Are there tilt columns from other rigs that will work, that would be cheaper than LMC's, or this: https://www.cjponyparts.com/ididit-steering-column-chevrolet-c10/p/STC121-V/ (which should fit a K15 too, right?).

Would be nice to have a slightly shorter one too, though I see in some other threads, that people are just using some smaller dia wheels, which would work, too.

Thoughts? My 16 year old so is paying for all that, and it would be nice to find him a cheaper option, he's got a bit of sticker shock, having just bought paint...

While I'm at it, too, I've got a gearbox out of a 1980 dually. Assuming that it would fit my boy's truck, how could I test it to see if it's any good?

Aaron
Click to expand...
you need to change the gate on the shifter from a 3 speed (1975) to a 4 speed. you could also use a column out of a LOT of gm vehicles if you dont mind the appearance of different color trim or steering wheels( you can change that)

I could put my 1990 oldsmobile 88 column in my 1980 gmc

But the wiring would be differnt since 1990 has the turn signal switch like the 1984+
 
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75gmck25 said:
Has the ‘75 transmission been swapped with something newer? There was no 4 speed auto in ‘75.

I’m also confused about your mention of a replacing the gearbox. Do you mean the transmission or the transfer case?
Click to expand...
Sorry, I now realized I said 4 speed auto, not 4 speed manual, which the truck is.
 
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AaronW said:
Sorry, I now realized I said 4 speed auto, not 4 speed manual, which the truck is.
Click to expand...
if you dont mind the extra component, swap an auto column in with tilt (more came with tilt than manual ones) and then just remove the shift lever
 
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What vehicles came with the telescoping column? You turned the center cap to lock and unlock it.
They were usually all tilt.
 
Oldbear42

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Snoots said:
What vehicles came with the telescoping column? You turned the center cap to lock and unlock it.
They were usually all tilt.
Click to expand...
A '67 Oldsmobile Ninety-Eight did. Lots of the old luxury cars had them
 
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C3 Corvettes had telescopic columns if I am not mistaken.
 
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You can go with a new tilt column but finding a donor truck with a used tilt column is a better bet. Take it apart, rebuild it, replace the old parts. Your kid will learn a ton doing it and have a greater appreciation for it.

Then I would go with the Wolff engineering lower steering column bearing which will clean up a lot of slop that these trucks have.

A UV joint steering shaft is much better than the stock with a rag joint; that should help too.
 
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Oldbear42 said:
A '67 Oldsmobile Ninety-Eight did. Lots of the old luxury cars had them
Click to expand...
That's what I did ...

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Running a 75 Cadillac Coupe De Ville column on a 75 K15 ..
Being both are GM (From the same era) the wiring plugged up with no mods ..

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In the mode of installing a custom steering wheel on it at the moment ..

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Which required a special adapter for the telescopic lever to work ...

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The adapter was made for 77 and up columns which has two inches of travel .. 76-back has three inches of travel ..
Some work will be needed to extend the adapter a inch to make it look like it belongs ..

Reason for a woodgrain steering wheel is the dashboard being painted wood ..

https://www.facebook.com/photo/?fbi...0zJ05GkIjBQ_pafTecv4SuW5MKP5T5g&__tn__=EH-R-R
 
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etedeschi72

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The Square Body Syndicate website has a floor shift tilt column that's 2" shorter than stock BUT, it's not cheap. But it's there.
 
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