C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette

tubular a-arms

 
Old 06-07-2018, 10:02 AM
  #41  
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This arrived today:



Can't wait to get going!
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Old 06-11-2018, 04:29 AM
  #42  
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I too have a set of these Impala arms waiting for test fitting. Also lowers. Don't know when I get the time but will post when I do.

Also, I haven't checked yet if the poly spring pocket on the lowers is compatible with VBP 550 springs or if I need to source new ones from somewhere.

One thing I can say straight away: I also have a set of old VBP uppers and they seem flimsy compared to these. I mean paint was chipping off the welds due flexing after one summer. These seem more massive and better gusseted to me. Time will tell if I judged them correctly by looks only.

I was originally planning to get the Global west arms but he never replied to my email so I took a risk and bought these instead. Atleast they were so affordable I can get my money back locally from Impala guys if they do not fit properly.

Last edited by ToniH; 06-11-2018 at 04:34 AM.
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Old 07-30-2018, 07:27 PM
  #43  
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@Primož Krajcar, just wondering, any update?
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Old 07-30-2018, 08:06 PM
  #44  
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holy crap, are you serious?! this is what ive been looking for!!!!
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Old 07-31-2018, 05:26 AM
  #45  
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Originally Posted by sunflower 1972 View Post
@Primož Krajcar, just wondering, any update?
Hi!

Sorry nothing yet! We just tried it on my friends 64 with 427 engine, because the chasis is the same as C3 and they look like they fit with no problem.
I will take my car out in the following days. My battery died and I'm waiting on the new one. I don't want to push the car out of the garage by hands!

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Old 08-01-2018, 05:51 AM
  #46  
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Following this thread......great info guys.....
Thanks!
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Old 08-04-2018, 12:22 AM
  #47  
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Originally Posted by bmans vette View Post
Following this thread......great info guys.....
Thanks!
im about to buy these... waiting be damned for these price I don't mind gambling
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Old 08-04-2018, 06:28 PM
  #48  
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Heck you could go with a theme! Get some Impala emblems, interior upholstery, until you drop your dual quad 409!

Last edited by TCracingCA; 08-04-2018 at 06:29 PM.
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Old 08-05-2018, 09:16 AM
  #49  
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Originally Posted by terrys6t8roadster View Post
Those look like some nice pieces, thanks for posting. T
+1

Those uppers look cool...
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Old 08-11-2018, 04:41 PM
  #50  
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thanks for the info...still have the front cap off...now would be the time..
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Old 08-13-2018, 12:37 PM
  #51  
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Hard to tell with just a picture, but the 55-57 Bel Air lowers look very similar to the corvettes...

https://www.jegs.com/i/JEGS/555/64566/10002/-1

Then this setup would make life easy:
https://www.performanceonline.com/19...n-kit-stage-3/

Last edited by AGrey; 08-13-2018 at 01:15 PM.
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Old 08-13-2018, 03:47 PM
  #52  
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I found these and ordered them:https://www.ebay.com/itm/For-1958-19...6d32%7Ciid%3A1

Just finished installing the drivers side. The only issue I had was the control arm shaft mounting holes are about 3/16's of an inch too wide. After slotting one of the holes with a die grinder (about 45minutes) to accommodate the narrower C3 control arm mounting studs, the arm slid right on.



NO CORVETTE TAX AND FREE SHIPPING!!!
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Old 08-13-2018, 03:58 PM
  #53  
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Good job installing them! Any issues? Other than grinding a bit?
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Old 08-13-2018, 04:06 PM
  #54  
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Originally Posted by Primož Krajcar View Post
Good job installing them! Any issues? Other than grinding a bit?
Nope, none what so ever. And thank you for coming up with the old Impala control arm idea.
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Old 08-13-2018, 04:15 PM
  #55  
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Originally Posted by sunflower 1972 View Post
Nope, none what so ever. And thank you for coming up with the old Impala control arm idea.
No problem. Thank a guy in the video for sparking the interest in me for doing the research. Now I really have to install mine asap!
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Old 08-14-2018, 02:34 AM
  #56  
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Originally Posted by sunflower 1972 View Post
I found these and ordered them:https://www.ebay.com/itm/For-1958-19...6d32%7Ciid%3A1

Just finished installing the drivers side. The only issue I had was the control arm shaft mounting holes are about 3/16's of an inch too wide. After slotting one of the holes with a die grinder (about 45minutes) to accommodate the narrower C3 control arm mounting studs, the arm slid right on.



NO CORVETTE TAX AND FREE SHIPPING!!!

Great pics and info.
It looks like you were able to install delrin bushings in with the cross shafts.
Correct?
Did they come with the a-arms or did you buy them separately?
Item title and part number along with source would be most helpful.
Thanks again.

Are you planning a follow up pic after alignment? And are you doing alignment yourself?
Thanks again
Bman (Dennis)
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Old 08-15-2018, 01:22 AM
  #57  
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Originally Posted by AGrey View Post
Hard to tell with just a picture, but the 55-57 Bel Air lowers look very similar to the corvettes...

https://www.jegs.com/i/JEGS/555/64566/10002/-1

Then this setup would make life easy:
https://www.performanceonline.com/19...n-kit-stage-3/
I wouldn't use those because the lower control arm mounting points are different, don't know what else is different either


I just ordered the impala kit as well, figured it's time to do it and the borgeson swap while the engine is out

thanks for taking the plunge for us all sunflower!

dang those cross-shafts are beefy... well I wont have any hesitations about slotting them for castor gains... those things look like an inch thick...

did you have to replace the bushings? or did they come with Delrin?

Last edited by naramlee; 08-15-2018 at 01:25 AM.
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Old 08-15-2018, 05:20 AM
  #58  
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Originally Posted by naramlee View Post
I wouldn't use those because the lower control arm mounting points are different, don't know what else is different either


I just ordered the impala kit as well, figured it's time to do it and the borgeson swap while the engine is out

thanks for taking the plunge for us all sunflower!

dang those cross-shafts are beefy... well I wont have any hesitations about slotting them for castor gains... those things look like an inch thick...

did you have to replace the bushings? or did they come with Delrin?
Well the lower arms from Impala have different mounting points for the sway bar so you have to change those to make it work.
The Delrin bushings and ball joints come with the arms.

Last edited by Primoz; 08-15-2018 at 05:20 AM.
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Old 08-15-2018, 12:34 PM
  #59  
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Originally Posted by Primož Krajcar View Post
Well the lower arms from Impala have different mounting points for the sway bar so you have to change those to make it work.
The Delrin bushings and ball joints come with the arms.
yeah i knew that about the sway bar mounts, but the other arms have 4 bolts vs 3 on the from mount points according to that picture
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Old 08-15-2018, 02:46 PM
  #60  
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Originally Posted by bmans vette View Post
Great pics and info.
It looks like you were able to install delrin bushings in with the cross shafts.
Correct?
Did they come with the a-arms or did you buy them separately?
Item title and part number along with source would be most helpful.
Thanks again.

Are you planning a follow up pic after alignment? And are you doing alignment yourself?
Thanks again
Bman (Dennis)
The arms came complete with the beefy shafts and Del-a-lum bushings and ball joint installed.
Hot link where I purchased:https://www.ebay.com/itm/For-1958-19...6d32%7Ciid%3A1
I will align the front myself. I have a camber/caster gauge and square aluminum bar stock I use as makeshift
toe plates. Yeah, I can post a photo after I align it.
I did ask the place I bought the arms from if they could tell me how much more positive caster they provide and they replied they did not know. By the looks of them it appears to me like at least 4* positive caster, but I'll check it with my camber/caster gauge and post the findings.
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