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Idler arm length
My 64 C10 has a GM power steering box and pittman arm installed by the PO, but the idler arm I assume is stock, as the steering geometry on that side is wrong. A friend says the idler arm length should match the pittman arm length, with the center link parallel to the crossmember. The current pittman arm is 5" c-c in an S shape.
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Re: Idler arm length
Do you know what year your steering gear is?
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Re: Idler arm length
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I am having the same problem with my truck. Having trouble finding the dimensions for pitman arms and idler arms on the web and parts houses dont seem to want to do the leg work to help out. My steering box is from a mid 80's c10.
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I don’t know for certain if an idler arm from a squarebody has the same taper as the 64 on the center link, but if it does, you could use that one. You would have to drill new holes in the frame. Or, just use the stock idler arm if it’s in good shape and drill some new holes where it seems to steer the best. Also, make sure your center link is attached in the correct orientation. If installed wrong, a new idler arm won’t fix your problem. |
Re: Idler arm length
C10/20/30 Chevrolet - Moog P/Ns
Pitman Arm length (center line to center line) 60-66 all 5.374" K6086 67 all not 100% sure ? 68-72 manual not 100% sure K6130 68-72 power 5.137" K6131 73-89 manual 5.157" K6142 73-89 power 5.059" K6143 Idler Arm length (center line to center line) 60-62 all not 100% sure ? 63-66 all 5.9" K14 67-82 all 5.394" K6096T 83-89 all 5.394" K6247T |
Re: Idler arm length
After checking RockAuto, it seems the idlers after 66 use a different mounting procedure. I also checked the earlier S10s, that use the L-shaped arms, and they mount to the inside of the frame, not the outside, making them shorter on the center link. As my initial question says, do you need an equal-length idler arm as per the pittman? If they're not, and steering is not hampered, does it matter? What are people using for an idler? Just lining things up and making the existing one work?
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And yes the center link should be parallel to the crossmember. |
Re: Idler arm length
Or maybe the idler arms were mounted in different spots on the frame for different years. There's a lot of parts in play here.
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