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 New kingpin turning in swing arm 
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Post Re: New kingpin turning in swing arm
602 wrote:
If its any consolation John, just been out to see a local band play ...


Were they any good? Bet they weren't as good as the Rhythm Thieves ... :D

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July 16th, 2011, 6:41 am
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Post Re: New kingpin turning in swing arm
If you decide to fit standard arms can I buy/swap/steal the turned ones from you please? They were far more preferable than the arms I used on my car. I have the original arms with batteurs on if you want them although they have slightly noisy wheel bearings.

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July 16th, 2011, 6:49 am
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Post Re: New kingpin turning in swing arm
Russell wrote:
If you decide to fit standard arms can I buy/swap/steal the turned ones from you please? They were far more preferable than the arms I used on my car. I have the original arms with batteurs on if you want them although they have slightly noisy wheel bearings.


Yes, no problem. I'm going to try and keep the turned arms, but if I change my mind I'll let you know. I'd be interested in the original arms.

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July 16th, 2011, 6:52 am
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Post Re: New kingpin turning in swing arm
You're welcome to them really, I could do with one more Standard 2cv arm (can't remember which side) so I have a pair, but i guess if you wanted turned arms you're welcome to the pair on my red car, they don't have as much negative as the set you currently have.

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July 16th, 2011, 7:00 am
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Post Re: New kingpin turning in swing arm
ken wrote:
Or like this...

Image
Kingpin bore 'shrinking' prep. by slcchassis, on Flickr

Don't forget to let it cool before testing the fit of the pin in the arm.

Image
Kingpin bore 'shrinking', testing fit by slcchassis, on Flickr

As long as isn't a 'drop through' fit at the moment, this should do the trick.

ken


Right. With any luck, my welding helmet will arrive today and I can do this when I get up this afternoon. Just a few questions ... can I get enough heat into this with a small (and very old) MIG welder? And how deep and wide should the groove be, roughly? Anything else I should be looking out for?

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July 19th, 2011, 7:23 am
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Post Re: New kingpin turning in swing arm
Russell wrote:
yeah, grind 2 grooves about 3-4mm deep and 5-6mm wide all the way round the kingpin housing, one nearer the top one nearer the bottom then put a *really* hot weld into it.

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July 19th, 2011, 7:34 am
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Post Re: New kingpin turning in swing arm
Sorry if I am being thick and asking a dumb question, but I too have this problem.

However is this "kingpin housing shrinking trick" best done with a groove around the housing or a groove cut vertically? I can see where Russ is coming from because that would presumably shrink it at the area of the bushes (where I presume you need it most), but kens pic shows the cut going upwards.

......or does it not matter

Clever idea though !

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July 19th, 2011, 8:11 am
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Post Re: New kingpin turning in swing arm
You can get oversize pins and matching bushes if you can't be bothered with the welding trick.

Ken's vertical weld looks easier to accomplish.

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July 19th, 2011, 9:31 am
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Post Re: New kingpin turning in swing arm
Butcher idea. Do it right or don't

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July 19th, 2011, 9:33 am
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Post Re: New kingpin turning in swing arm
I think it's one of those things that works and gets the job done. But I'm not keen on it personally - a bit too bush mechanic. Chances are it will shrink to an oval shape and cause more problems. Better to drill a 12mm hole in the side of the eye and weld the kingping in - then grease it as often as possible.

I think that the oversize pin is a better solution. Even better would be a Ford style kingpin system using a cotter pin in the eye.


July 19th, 2011, 9:40 am
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