Antnicuk
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| posted on 23/12/08 at 07:47 PM |
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Replacing Polybushed front suspension with Rose Joints
I have just about the got the rear sort and now want to replace the front lower wishbone bushes with rose joints where they joint to the chassis.
This is mainly to give me more adjustment in both camber and caster. Is there anything i need to look out for?
I was going to go for 5/8 rod ends with 1/2 inch holes.
600 BHP per ton, Stylus Brought back from the dead! Turbo Rotary Powered!
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Antnicuk
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| posted on 23/12/08 at 08:54 PM |
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i'm just paranoid, i'm running big tyres, brakes and very soft compound rubber hence the bigger choice.
I am using 3/4 and 5/8 ones on my trailing arms, i got them from McGill and went for the best he had.
600 BHP per ton, Stylus Brought back from the dead! Turbo Rotary Powered!
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A1
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| posted on 23/12/08 at 10:29 PM |
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not really to do with the subject, but what engine have you got in that?looks damn good!(antnicuk)
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blakep82
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| posted on 24/12/08 at 02:26 AM |
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go for your 5/8"! thats what i've got, and i wouldn't have anything less!
5/8" is perfect 
i can't think of anything you really need to watch out for... you say you're going to 'replace the front lower wishbone' so
thats half of it done. if you're buying wishbones, its really just a case of screwing the rod ends in, and jobs a good 'un just
remember that adjusting them will be a nightmare, because you'll actually have to take the whole wishbone off, adjust, put all the suspension
back together, check, and take it all apart again if it needs further adjusting.
i reckon its worth it though
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procomp
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| posted on 24/12/08 at 08:15 AM |
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Hi
I second Chris above 5/8" in way OTT. Westfield use 1/2" x 1/2".
Cheers Matt
PS please tell me you did not actualy rose joint the rear axle. 
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antonio
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| posted on 24/12/08 at 09:26 AM |
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matt,
rose jointed rear wishbones are useless?also thinking about doing it for front upper wishbone to allow caster adjustment, but don't know if
it's a good idea to do it to rear axle
cheers
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procomp
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| posted on 24/12/08 at 09:33 AM |
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Hi
conventional 4 trailing arms setup on an axle will be OK if all is accurate and the arms are parallel to each other. But in the case of the OP's
Sylva type setup the arm desighn means you can not run rose joints as it will break the brackets on either the chassis or the axle casing.
Cheers Matt
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Antnicuk
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| posted on 24/12/08 at 08:48 PM |
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there are other guys with stylus' who have fitted rose joints to the chassis end of he arms without problem on a track car so i will give it a
go. I am using 3/4 rod ends on the chassis ends and bushes on the axle. the chassis brackets are pretty strong on the chassis and they will never
break on the axle, i welded them on made of out of 5 x 50mm plate made into box section. The arms are currently using pretty solid poly bushes which
dont have a lot of give in them and have been ok so far.
I am using my existing wishbones on the front and will cut the bushes off and weld the threaded inserts on the the wishbones.
The engine is a secret 
see my signature 
[Edited on 24-12-08 by Antnicuk]
600 BHP per ton, Stylus Brought back from the dead! Turbo Rotary Powered!
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MikeRJ
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| posted on 24/12/08 at 10:07 PM |
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It's your choice of course, but please check for cracks around the chassis and axle mounting very regularly. If it happens with rubber bushes,
it's going to happen with more solid mounts, even if you have strengthened the brackets. The forces experienced will be very large.
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Doug68
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| posted on 25/12/08 at 12:40 PM |
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quote:
I was going to go for 5/8 rod ends with 1/2 inch holes.
I'm going for those as well, I suspect my car is a couple of hundred kg's heavier than yours though.
[Edited on 25/12/08 by Doug68]
Doug. 1TG
Sports Car Builders WA
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