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Old 08-07-2020, 03:23 PM   #1
70inbville
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steering gear help

Hello all,

Will the steering gear from an 87 r10 bolt up to and work on a 74 K20 frame?

Thanks,

Chip
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Old 08-07-2020, 06:49 PM   #2
57taskforce
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Re: steering gear help

It should, the main differences will be that the later unit will likely be a quick ratio box(not a bad thing) and also the later box will have metric power steering hose fittings, that’s easy to overcome though.
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Old 08-07-2020, 11:50 PM   #3
70inbville
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Re: steering gear help

Thanks for the help!
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Old 08-08-2020, 01:34 AM   #4
57taskforce
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Re: steering gear help

I had a major brain fart on this one, It just hit me that the R is the 2wd and V is 4x4 if I’m not mistaken. If you’ve got a 2wd box it will not work with a K series truck because the pitman arm moves side to side as opposed to forward and back. I apologize for missing the boat on this one.
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'57 3100 350/700r4 4” lift 35x12.5's
'72 K20 Cheyenne 350/SM465 557 paint http://67-72chevytrucks.com/vboard/s...d.php?t=662879
‘69 K10 SWB 305/sm465/205 4” lift 33x12.5’s awaiting vortec 350 swap and light restoration http://67-72chevytrucks.com/vboard/s...d.php?t=805206
'98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's
‘10 Camaro 2SS/RS Aqua Blue Metallic
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Old 08-08-2020, 02:29 AM   #5
Richard
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Re: steering gear help

Something new learned. 87 R10 2wd, last year of the square body's. You could use it with a crossover steering conversion.
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Old 08-08-2020, 08:44 AM   #6
70inbville
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Re: steering gear help

Well r or v it is a 87 1/2 ton 4wd box going on a 74 3/4 4wd frame if that helps. i have thought r was 4wd huh i learned something today as well.

Last edited by 70inbville; 08-08-2020 at 09:10 AM.
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Old 08-08-2020, 09:18 AM   #7
57taskforce
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Re: steering gear help

Ok then if it’s from a 4x4 truck my original post stands!
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'57 3100 350/700r4 4” lift 35x12.5's
'72 K20 Cheyenne 350/SM465 557 paint http://67-72chevytrucks.com/vboard/s...d.php?t=662879
‘69 K10 SWB 305/sm465/205 4” lift 33x12.5’s awaiting vortec 350 swap and light restoration http://67-72chevytrucks.com/vboard/s...d.php?t=805206
'98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's
‘10 Camaro 2SS/RS Aqua Blue Metallic
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Old 08-08-2020, 09:28 AM   #8
70inbville
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Re: steering gear help

thanks again! I've been searching part numbers and have come to the conclusion that it will fit and the number differences probably have to do with the metric connections. I am swapping the eng/trans/ tc, fuel tanks and associated stuff as much as I can from the 87 into the 74 k20. keeping it a 3/4 ton. its a long story that I'll so a build thread someday to explain it all
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Old 08-08-2020, 10:12 AM   #9
57taskforce
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Re: steering gear help

Sounds good I look forward to seeing progress.
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'57 3100 350/700r4 4” lift 35x12.5's
'72 K20 Cheyenne 350/SM465 557 paint http://67-72chevytrucks.com/vboard/s...d.php?t=662879
‘69 K10 SWB 305/sm465/205 4” lift 33x12.5’s awaiting vortec 350 swap and light restoration http://67-72chevytrucks.com/vboard/s...d.php?t=805206
'98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's
‘10 Camaro 2SS/RS Aqua Blue Metallic
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