Should I or shouldn't I, to bush or not |
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Should I or shouldn't I, to bush or not |
iankarr |
Nov 27 2020, 03:17 PM
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#1
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,481 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region |
Hi Guys,
I've disassembled the rear of the bumblebee and the control arm pivots and bushings look to be in good shape. My plan was to blast and powdercoat the control arms, which would require removing the pivots/bushings (due to the heat)...but I hear re-installing these can be a beeotch. And I generally prefer keeping as much OEM as possible. So...do you think it's worth leaving the bushings and pivots alone and just painitng the arms? I'm aiming for this bumblebee to be a solid #2 car when done. Thoughts? Thanks! |
iankarr |
Nov 29 2020, 09:46 PM
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#2
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,481 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region |
The left control arm on my car swung down to vertical without much resistance. The right side actually needed to be helped down and never went vertical on its own.
This is a great thread with tons of excellent info. I thought I had resigned myself to replacing the pivot and bushings and doing a video on it to help the community. But destroying a good (albeit old) and irreplaceable factory setup seems like I might be doing this car a disservice. I already have the new pivot and bushings from 914rubber. How about this...if someone is willing to send me a trailing arm (or two) I’ll do the install / video and send back. |
mepstein |
Nov 29 2020, 10:03 PM
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#3
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914-6 GT in waiting Group: Members Posts: 19,316 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
The left control arm on my car swung down to vertical without much resistance. The right side actually needed to be helped down and never went vertical on its own. This is a great thread with tons of excellent info. I thought I had resigned myself to replacing the pivot and bushings and doing a video on it to help the community. But destroying a good (albeit old) and irreplaceable factory setup seems like I might be doing this car a disservice. I already have the new pivot and bushings from 914rubber. How about this...if someone is willing to send me a trailing arm (or two) I’ll do the install / video and send back. Ian - I have a set of trailing arms if you want to do the install video. Mark Mark@MarkEpstein.net Powder coating heats the metal to 400 for 20-30 minutes. Enough to melt the plastic powder. It won't warp the suspension pieces on our cars. |
914_teener |
Nov 30 2020, 11:42 AM
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#4
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914 Guru Group: Members Posts: 5,205 Joined: 31-August 08 From: So. Cal Member No.: 9,489 Region Association: Southern California |
The left control arm on my car swung down to vertical without much resistance. The right side actually needed to be helped down and never went vertical on its own. This is a great thread with tons of excellent info. I thought I had resigned myself to replacing the pivot and bushings and doing a video on it to help the community. But destroying a good (albeit old) and irreplaceable factory setup seems like I might be doing this car a disservice. I already have the new pivot and bushings from 914rubber. How about this...if someone is willing to send me a trailing arm (or two) I’ll do the install / video and send back. Ian - I have a set of trailing arms if you want to do the install video. Mark Mark@MarkEpstein.net Powder coating heats the metal to 400 for 20-30 minutes. Enough to melt the plastic powder. It won't warp the suspension pieces on our cars. Stress relieving happens at about 500 to 600 degrees. I'm sure the guy running the bake oven uses a templestick to check the temperature. Not. Warping is something different and happens when the steel gets to the transformation phase....so called red hot. So if were I and I was heating up the arm to take out the old bushing and pivot shaft and then heating up again to powder coat it, I'd check it after all that. It's a lot of work to assemble the bushing, hub and new bearing and CV rehab to find out you can't align the rear end to spec. I'm not saying it will happen, I'm saying check it, as it is a possibility and I've seen it happen with weldments. |
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