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BENDING TRAILING ARMS FOR CAMBER

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cnfabo Custom Title Time!

1,353 posts · joined Apr 2008 ·

#707002
i would like to know if there is anything wrong with doing this to my king link pin beetle. theres a guy i contacted who bends them for the formula vee guys here in W.A. so im assuming this will be okay. he told me he bends them for 2.5 degrees negative. and everything will fit back to normal .

i have just started doing autokhanas and would like to dial in some camber at the front.when i was pushing it hard around corners afew of the other drivers said it looked like the wheels where getting so much positive on the fronts and it will handle that much better if i could get some camber on them...

and no answers of bj,irs pans please,, he ha,ha...

Brian Officially Full-On Dubber

263 posts · joined Jun 2007 ·

#707003
the linkpins will bind
use aball joint front

cnfabo Custom Title Time!

1,353 posts · joined Apr 2008 ·

#707009
the link pins will be untouched by any mods or silly shimming. i thought if the arms where bent all it would do is make the spindles and brakes sit at a different angle, ie:top in and bottom out. therefor negative camber.

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#707012
Sounds OK to Me...

balljoint front ends can be adjusted

but i did think it would have been just as easy to bend the trailing arms...

but You would really need a jig to do it...

cheers

LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

cnfabo Custom Title Time!

1,353 posts · joined Apr 2008 ·

#707031
the guy who i spoke to uses a jig and told he me might have some already bent and i could just exchange my trailing arms for them, yipee...

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#707033
I would have thought the link pin shim surface would no longer be true to the new angle of the arm and therefore wear might be an issue. If your wheels are going positive, it would be due to trailing arms and bushes in beam worn excessively and/or king pin wear, I'd fix that properly first.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

cnfabo Custom Title Time!

1,353 posts · joined Apr 2008 ·

#707128
so obviously no ones done this before.it must be working for the formula vee guys though. ill have another chat to the guy who does them.

i have had the king pins replaced but not the link pins. ill get a another beam, with new link pins and bushes aswell as the bent arms ,then all should be good,maybe.

can anyone else think of any other problems that may pop up.

Special Air Service Chief "Gunna"

1,769 posts · joined Oct 2004 ·

#707165
I doubt this will work with the K&L front end, otherwise I reckon it would be possile just to shim it to achieve the desired camber. A lot of vees now run ball joint fronts, which can be bent because the ball joint can align itself, whereas I believe the k&l will bind up.

Youd probably be better off putting in a couple of sets of caster shims between your beam & the frame head. This will allow the outside wheel to achieve slightly more neg camber when the wheels are turned going through a corner.
I think they call it "active camber".

Cheers

Brendan
Calling all NSW Mid North Coast Veedubbers

Click Below
Mid North Coast VW

cnfabo Custom Title Time!

1,353 posts · joined Apr 2008 ·

#707169
cheers brendan, ill keep on doing some research before i go make some dumb decision. i have read that when you install two sets of caster shims you have to flip or turn "cant quite remember" the steering box as it hits the bottom of the fuel tank or something. i read it on one of ct's old threads somewhere.

Special Air Service Chief "Gunna"

1,769 posts · joined Oct 2004 ·

#707174
Yeah you'll have to turn the steering box slightly to maintain alignment with the steering shaft, & maybe to avoid it hitting the fuel tank. to do this you have to grind or file a slightly larger notch in the steering box clamp where it locates on the beam. You'll see what i mean when you have a proper look.

Cheers
Brendan
Calling all NSW Mid North Coast Veedubbers

Click Below
Mid North Coast VW

cnfabo Custom Title Time!

1,353 posts · joined Apr 2008 ·

#707177
oh yeah i get you, turn the box on the beam where its attatched.

cnfabo Custom Title Time!

1,353 posts · joined Apr 2008 ·

#707181
here i go, the ends of the arms are more so twisted then bent to gain aquired camber change. the pins are no longer parellel to the road or square to the chasiss "never were". they are now 'x' number of degrees on axis. the shimming offset/orrientation remains the same as factory specs. this is how i had it explained to me.

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#707184
If both arms are 'twisted' correctly, sounds like it would work.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

Brian Officially Full-On Dubber

263 posts · joined Jun 2007 ·

#707185
mmm
so he bends, sorry twists both the upper and lower arms ???
equal amounts , keepiing the ends of the arms parrallel
this guy must be good
who is he?