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-   -   Best way to fix this? (https://67-72chevytrucks.com/vboard/showthread.php?t=764102)

64stpside 05-19-2018 07:53 AM

Best way to fix this?
 
3 Attachment(s)
I installed a cpp front sway bar on my 64 c10 and the nut and stud on the bottom of the pitman arm needs about 1/4-3/8 in to clear the bar. I have 2 scenarios as to what might have caused the issue 1. I installed pwr steering using captainfabs bracket kit and hope i didn't set the gearbox down to low or 2. my pitman arm not up far enough. As far as fixing the issue, I'm leaning on cutting down the round spacer tube that's in-between the bushings on the endlinks and spacing the frame mounts to drop the swaybar to get the clearance. The 3rd pic is a closeup of the pitman arm. Do I have to many splines showing or is that as high as is will go? What do you guys think?

Rickysnickers 05-19-2018 10:08 AM

Re: Best way to fix this?
 
"...spacing the frame mounts to drop the swaybar to get the clearance..."

I'd try that first before cutting anything. It would also seem to be the easiest solution.

64stpside 05-19-2018 10:27 AM

Re: Best way to fix this?
 
Quote:

Originally Posted by Rickysnickers (Post 8263984)
"...spacing the frame mounts to drop the swaybar to get the clearance..."

I'd try that first before cutting anything. It would also seem to be the easiest solution.

Dropping the front only wouldn't make it clear the bar. I want to keep the bar as close to a 90 deg angle to the endlinks as possible, as it should be.

mongocanfly 05-19-2018 10:59 AM

Re: Best way to fix this?
 
I think your gonna need more than 1/4-3/8 clearance....if your pitman arm end is over the sway bar and the suspension compresses its gonna hit.....
and I think those splines are on a taper on the gearbox.....
I wonder if you could get a pitman with less offset...

K20super 05-19-2018 11:34 AM

Re: Best way to fix this?
 
What pian arm is the application for I work at a shop and 8 of the last 10 aftermarket pitman arms we purchased for the 88-98 Chevy trucks the splines were cut with out a taper or not deep enough. These were Moog all with other brands, aftermarket junk is just that anymore. All the gm ones we ordered to reduce the situation for great and went on all the way like they are supposed to where the nut almost hits the shoulder on the splines

64stpside 05-19-2018 01:13 PM

Re: Best way to fix this?
 
Quote:

Originally Posted by K20super (Post 8264014)
What pian arm is the application for I work at a shop and 8 of the last 10 aftermarket pitman arms we purchased for the 88-98 Chevy trucks the splines were cut with out a taper or not deep enough. These were Moog all with other brands, aftermarket junk is just that anymore. All the gm ones we ordered to reduce the situation for great and went on all the way like they are supposed to where the nut almost hits the shoulder on the splines

I'll guarantee you it's not a a/c delco pitman arm. I'm pretty sure I got it off ebay. I used a steering box that fits a 68-86, a cardone 27-7501. I wonder if the pitman arms for the 68-86 are supposed to go up that high like on the 88-98

K20super 05-19-2018 02:49 PM

Re: Best way to fix this?
 
Remove the nut and see if the bottom of the arm is almost level with the bottom of the splines if not it is not on far enough.

mfm3 05-19-2018 04:57 PM

Re: Best way to fix this?
 
1 Attachment(s)
Had the same problem after adding the sway bar. Removed the entire link sleeve; gave me the clearance needed. No effect on ride quality. The gouge in the top of the sway bar happened before the sleeve was removed. There may still be times when suspension travel causes the pitman arm and sway bar to come in contact, but I never have felt anything while driving.

64stpside 05-19-2018 08:19 PM

Re: Best way to fix this?
 
Quote:

Originally Posted by mfm3 (Post 8264196)
Had the same problem after adding the sway bar. Removed the entire link sleeve; gave me the clearance needed. No effect on ride quality. The gouge in the top of the sway bar happened before the sleeve was removed. There may still be times when suspension travel causes the pitman arm and sway bar to touch, but I never have felt it while driving.

2 questions, was your pitman arm up farther than mine and did you lower/space the frame brackets? I would think dripoing the bar in the front to match the rear would be better to keep the original angles.

Captainfab 05-20-2018 12:17 AM

Re: Best way to fix this?
 
I would remove the link sleeve as mfm3 did and see if it gives you enough clearance.

mfm3 05-20-2018 01:58 AM

Re: Best way to fix this?
 
4 Attachment(s)
Quote:

Originally Posted by 64stpside (Post 8264291)
2 questions, was your pitman arm up farther than mine and did you lower/space the frame brackets? I would think dripoing the bar in the front to match the rear would be better to keep the original angles.

Based on your pic, it looks like my pitman arm location on the shaft is about the same as yours. My bigger problem is the location of the power steering box added by the PO. The box is mounted very low on the frame. I have avoided doing it over, but if I do, I'll use the bracket from Captainfab. I had to add a section of 1" x 2" tubing between the sway bar brackets and the frame to drop the bar low enough to clear the pitman arm.

rideblue00 05-20-2018 08:00 AM

Re: Best way to fix this?
 
64stpside are you at stock ride height?

64stpside 05-21-2018 07:11 AM

Re: Best way to fix this?
 
Quote:

Originally Posted by rideblue00 (Post 8264489)
64stpside are you at stock ride height?

yes

64stpside 05-21-2018 07:18 AM

Re: Best way to fix this?
 
Thanks for all the help fellas. I got it fixed yesterday. I pulled the link spaces and 1 washer and spaced the frame mounts. Now I got about 1in to 1-1/4 in of clearance. Truck drives MUCH better

64stpside 05-21-2018 07:21 AM

Re: Best way to fix this?
 
Quote:

Originally Posted by mfm3 (Post 8264452)
Based on your pic, it looks like my pitman arm location on the shaft is about the same as yours. My bigger problem is the location of the power steering box added by the PO. The box is mounted very low on the frame. I have avoided doing it over, but if I do, I'll use the bracket from Captainfab. I had to add a section of 1" x 2" tubing between the sway bar brackets and the frame to drop the bar low enough to clear the pitman arm.

Thanks for all the pics, I got it sorted out yesterday. I don't get why someone thought it was a good idea to mount your steering box so low.


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