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Author: Subject: Front Wheel Alignment / Tracking / Camber
AntonUK

posted on 7/4/16 at 10:17 PM Reply With Quote
Front Wheel Alignment / Tracking / Camber

Can someone give me some figures for front wheel geometry settings

Im after a safe starting point for tracking and camber.

Car is a Ginetta G27, Zetec lump, live rear, no ARB up front, LSD.

Im setting the camber myself, but going to attempt to let a local garage do the alignment.





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cliftyhanger

posted on 8/4/16 at 07:19 AM Reply With Quote
I would look at 2 degrees neg camber, and wheels parallel.
Easy to set the front wheels with 2 bricks, 2 straight edges and a tape measure.

Not sure if you can set caster angles, they are often forgotten about but can make a massive difference to the way a can drives.

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AntonUK

posted on 8/4/16 at 05:15 PM Reply With Quote
Thanks!

I shall have a go tomorrow and use the garage as a last resort.

The car doesn't allow for camber changes without changing some spacers, so have left at factory settings.





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colin99999

posted on 8/4/16 at 09:41 PM Reply With Quote
I run the front of my G20 at 2 deg negative camber and parallel toe too so yeah that's a pretty good place to start.

Caster is fixed and measured at 1 deg one side and 2 the other - the car has virtually no self-centering effect whatsoever and needs steering out of corners, if I ever get round to doing something about it I'd aim for 5 or 6 degrees.

ETA - after setting it up on a 4 wheel alignment rig I then checked the camber with a good quality calibrated digital inclinometer across the hub and got measurements within a tenth of a degree, so that's a pretty good way to get it well set up too.

[Edited on 8/4/16 by colin99999]





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cliftyhanger

posted on 9/4/16 at 06:44 AM Reply With Quote
To camber and castor I made one of these:
https://www.merlinmotorsport.co.uk/p/ada-castor-camber-gauge-adaccg

Printed the picture as large as I could, glued it to a board, drilled a hole for the plumb line, job done. The instructions are online for castor, very simple.
5-6 degrees castor is a lot. 3 1/2 -4 is pretty good. That is that I use on my Spitfire. (and the above settings, they are probably good for most RWD cars)

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SteveWallace

posted on 9/4/16 at 09:28 AM Reply With Quote
quote:
Originally posted by cliftyhanger
To camber and castor I made one of these:
https://www.merlinmotorsport.co.uk/p/ada-castor-camber-gauge-adaccg

Printed the picture as large as I could, glued it to a board, drilled a hole for the plumb line, job done. The instructions are online for castor, very simple.
5-6 degrees castor is a lot. 3 1/2 -4 is pretty good. That is that I use on my Spitfire. (and the above settings, they are probably good for most RWD cars)


Wouldn't you have to print the image to exactly the right scale for it to work properly? If you don't then the plumb line will not cross the curve in the right place for the calibration.

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