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Re: Is a c10 steering column same as a c30?
You are bolting the 85 column in an 81 cab to a 87 steering box.
That should work.
The intermediate shaft will be the only thing in question.
Here is an Interchange list I found for a 84-87 mt steering column.
[1984-87 column shift; manual transmission}
CHEVROLET 10 PICKUP 84-87 Column Shift; MT
CHEVROLET 20 PICKUP 84-87 Column Shift; MT
CHEVROLET 30 PICKUP 84-87 Column Shift; MT
GMC 1500 PICKUP 84-87 Column Shift; MT
GMC 2500 PICKUP 84-87 Column Shift; MT
GMC 3500 PICKUP 84-87 Column Shift; MT
SUBURBAN 10 84-87 Column Shift; MT
SUBURBAN 1500 84-87 Column Shift; MT
SUBURBAN 20 84-87 Column Shift; MT
SUBURBAN 2500 84-87 Column Shift; MT
The swap I done years ago,
Was a 2wd cab on a 4wd frame (Cut Hole in floor for transfer case shifter)
I had a 77 steering wheel and cab connected to a 78 4wd steering box.
IIRC The only thing I had to do was use the intermediate shaft from the 4wd.
and it fit the 2wd steering column.
Here's the automatic column just for reference.
[1984-87 column shift; automatic transmission; no tilt; w/ delay wipers]
238-1138C ----------
BLAZER/JIMMY (full size) 84-87 Column Shift; w/o tilt wheel; w/pulse wiper
CHEVROLET 10 PICKUP 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
CHEVROLET 20 PICKUP 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
CHEVROLET 30 PICKUP 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
GMC 1500 PICKUP 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
GMC 2500 PICKUP 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
GMC 3500 PICKUP 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
SUBURBAN 10 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
SUBURBAN 1500 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
SUBURBAN 20 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
SUBURBAN 2500 84-87 Column Shift; AT, w/o tilt wheel; w/pulse wiper
Switch cruise lever as needed.
|A| thru |F| fit as shown in notes.
|A|, |B| & |D| fit but options differ. Switch as needed.
|F| fits by transferring the wiper switch.
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