What do I need to set the camber and toe at home? - Reply to Topic
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Topic Review (Newest First)

  • 24-08-2011, 14:23
    asp383
    Quote Originally Posted by 68roadrunner View Post
    String? Fishing line etc? WTF! looks like ive just wasted $300 on a Longacre caster camber gauge then.!--NOT!

    although the fishing line technique is as reliable as modern technology for setting up steering & suspension geometry & even when building/repairing tube chassis', you're only as accurate as your mesure & eye sight. modern technology can measure to a finer degree. they both work well, but it's also down to personal preference.yes modern technology is quicker from the start & the fishing line technique normally takes a few attempt to get spot on, but even 1st attempts will get you in the right ballpark, even if you take it to a garage later for fine tuning (& advisable to double check at a garage anyway)
  • 24-08-2011, 13:10
    68roadrunner
    String? Fishing line etc? WTF! looks like ive just wasted $300 on a Longacre caster camber gauge then.!--NOT!
  • 24-08-2011, 12:36
    Paul Y
    Quote Originally Posted by vince-305 View Post
    Steve ....... Thanks mate

    Paul ............... i wouldnt use those settings if it were my car

    Is the Z28 a mc pherson set up on the front . ??????

    The settings that i put up are where id start from i didnt even think about what car it was ................. they were general settings and would get you too the MOT station and even further
    Vince,

    Just goes to show you should not believe everything you read on the web!

    P.
  • 24-08-2011, 12:35
    Paul Y
    Thank you very much for the lesson, it really goes to show the worth of our forum.

    It also shows how reliant you can become on technology as, without my all singing all dancing technology I was really struggling to work out how to do this.

    Many thanks again, on my way to buy some fishing line!

    P.
  • 24-08-2011, 12:03
    asp383
    the plumb can be hung in front or beind the suspension, it doesn't matter as you're still measuring the angle of caster.
    the only differences are:-
    if tube frame, secure the plumb to either the tube, or secure a bar across the chassis & hang the plumb off that.
    if inner wing, you can secure with either masking tape (if ally tub) or tie the plumb to a small magnet (but big enough to hold the weight).
    you can then measure plumb to suspension to give your caster angle
  • 24-08-2011, 11:43
    Plumpcars
    How did you set caster, thats always the tricky one without the correct equipment?
  • 24-08-2011, 11:22
    asp383
    the garage i worked at where i did my apprenticeship set up all the race cars with fishing line & how i've done my gerometry since.

    get 4x 1" angle, approx 1" long & usung hack saw, cut a small groove to support the line.
    push the car forwards & back a few times (without touching the brakes) to settle everything.
    using a tape measure (or similar) place the angle mid way up the tyre & hold in place with duct tape (you want the angle on the outside front corner of front wheels & outside rear corners of rear wheels)
    tie 1 end of the line to the car (rear towing eye would be fine) & run the line round, making sure it's tight & sitting in the grooves you've cut. tie off the other end.
    you cannow measure toe using the edge of the rim.

    for camber, ensure the car is level on the floor, if it's been moved, resettle by pushing forwards & back a few times.
    tie a nut (13mm/1/2" is fine) to some fishing line (x2 if just able to adjust front camber, x4 if able to adjust front & ear camber)
    secure the fishing line to the body with masking tape, so it hangs central to the wheel & with the nut just off the floor (if the line or nut are touching the tyre, if they are, secure a spacer onto the wing using masking tape)
    you can now measure the camber off the rim.

    ideally, you want the line about 1" off the rim, but it's not critical, as you're not measuring the gap, you're measuring the angles of the wheel.

    we set up all our race cars like this, whether single seaters, rally, tin tops, lotus 7 style etc & they handled spot on. even the body shop couldn't improve on our setting up using their 4 wheel laser aligner
  • 24-08-2011, 09:00
    vince-305
    Steve ....... Thanks mate

    Paul ............... i wouldnt use those settings if it were my car

    Is the Z28 a mc pherson set up on the front . ??????

    The settings that i put up are where id start from i didnt even think about what car it was ................. they were general settings and would get you too the MOT station and even further
  • 24-08-2011, 08:40
    Plumpcars
    They are not the standard settings in my books!
  • 24-08-2011, 08:21
    Paul Y
    They did seem a bit aggressive I must admit but these are supposedly the standard settings for a Z28!

    When I stopped racing those silly cars with the engine hanging out over the rear wheels I sold all my suspension stuff, regretting it now....

    Thanks for that Steve, catch up later.

    P.
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