 Rear end alignment for Dummies?, Negative camber adjustment - is there a good How to do it write up? |
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| DRPHIL914 |
 Aug 20 2019, 12:04 PM
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#1
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Dr. Phil  Group: Members Posts: 5,764 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States 
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one simple question also,
if you add 2mm shim does anyone know about how much change this creates?, like 2mm increased shim equates to an additional (x) degrees of negative camber? Phil |
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| SirAndy |
Aug 20 2019, 01:05 PM
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#2
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Resident German Group: Admin Posts: 41,612 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(DRPHIL914 @ Aug 20 2019, 11:04 AM)  one simple question also, if you add 2mm shim does anyone know about how much change this creates?, like 2mm increased shim equates to an additional (x) degrees of negative camber? Adding shims removes negative camber! To get the max. negative camber, remove all shims. Unfortunately the chassis vary enough that you never get exactly the same camber on different cars. Plus, any damage to the chassis near the pickup points and/or bend trailing arms will affect camber as well. I'm getting just shy of -2 degrees without any shims. (IMG:style_emoticons/default/popcorn[1].gif) |
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| DRPHIL914 |
Aug 20 2019, 01:19 PM
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#3
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Dr. Phil Group: Members Posts: 5,764 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States
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QUOTE(SirAndy @ Aug 20 2019, 03:05 PM) QUOTE(DRPHIL914 @ Aug 20 2019, 11:04 AM) one simple question also, if you add 2mm shim does anyone know about how much change this creates?, like 2mm increased shim equates to an additional (x) degrees of negative camber? Adding shims removes negative camber! To get the max. negative camber, remove all shims. Unfortunately the chassis vary enough that you never get exactly the same camber on different cars. Plus, any damage to the chassis near the pickup points and/or bend trailing arms will affect camber as well. I'm getting just shy of -2 degrees without any shims. (IMG:style_emoticons/default/popcorn[1].gif) gotcha, I had it backwards! ok so , less shims = more negative camber(top of tire leaning in more) so you like the -2degrees camber handling? reason I ask is I want to put my 16x7" rims and wheels back on rear but with 0 camber they are just too close to rubbing even with the fenders stretched and rolled prior to the body and repaint work, and you know I don't want to rub and ruin a new pain job. SO if we got to 2or3' negative camber I think the 7'' rims may fit perfect with out rubbing. will be interesting to see even whats up there for shims!!! |
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| Mblizzard |
Aug 20 2019, 01:28 PM
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#4
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Advanced Member Group: Members Posts: 3,033 Joined: 28-January 13 From: Knoxville Tn Member No.: 15,438 Region Association: South East States |
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| dr914@autoatlanta.com |
Aug 20 2019, 01:52 PM
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#5
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914 Guru Group: Members Posts: 7,832 Joined: 3-January 07 From: atlanta georgia Member No.: 7,418 Region Association: None |
2mm 20 minutes reduced neg camber shims come in 2 3 and 4
QUOTE(DRPHIL914 @ Aug 20 2019, 11:04 AM) one simple question also, if you add 2mm shim does anyone know about how much change this creates?, like 2mm increased shim equates to an additional (x) degrees of negative camber? Phil |
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| sixnotfour |
Aug 20 2019, 02:02 PM
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#6
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914 Wizard Group: Members Posts: 10,418 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains 
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20min (equals 20/60 = - 0.33 degrees)
Good Ole Ray Scruggs, how to http://www.914world.com/bbs2/index.php?act...t&id=363723 |
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| Retroracer |
Aug 20 2019, 02:52 PM
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#7
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Senior Member Group: Members Posts: 609 Joined: 7-July 13 From: Bend OR Member No.: 16,100 Region Association: Pacific Northwest
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QUOTE(Mblizzard @ Aug 20 2019, 12:28 PM) The above is a great read!! Note also a key point: that lowering the ride height will increase negative camber due to the trailing arm geometry. generally speaking, lowering the car will add more negative camber, so you end up adding shims to push it back towards zero. Setting ride height before any camber adjustment is therefore key, obvs. Tangerine Racing sells a useful assortment of varying shim thicknesses, FYI. - Tony |
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