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17x8.5 and 10-10.5?

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Old 12-31-2011, 08:59 AM
  #16  
KaiB
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As a basis for comparison, here is a 9.5"x18 wheel ET ca. 44 with a 265/35 R1. Mucho camber and it is snug against the oil line on the right side.

Old 12-31-2011, 04:26 PM
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sml
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Originally Posted by KaiB
As a basis for comparison, here is a 9.5"x18 wheel ET ca. 44 with a 265/35 R1. Mucho camber and it is snug against the oil line on the right side.
So this is a 9.5ET44 data point. As the original guy is referring to 10 or 10.5" wheels, to use this information you will need to use the calculator as per the links posted above.

http://www.rimsntires.com/specs.jsp

So as an example 9.5ET44 vs 10ET40 (as per on my car):

Backspace (inside):
9.5ET44 = 178mm
10ET40 = 180
So my wheel is 2mm closer to the oil line.

Frontspace (outside):
9.5ET44 = 241mm wheel width - 178mm backspace = 63mm
10ET40 = 254mm wheel width - 180mm backspace = 74mm
So my wheel is 11mm further outwards towards the guard/fender.

So if the guy above with 9.5ET44 is 'snug' against the oil pipe, then subject to tyres or perhaps he doesn't have the flattened oil pipe, because my wheel is 2mm closer to the oil pipe and I still have heaps of clearance .. about 5mm. Or perhaps is defining his 7mm clearance as snug.

The other thing to note is that the 10ET44 would give you 3mm clearance to the oil line.

I actually think my 10ET40 is perfect because you can roll the guard a few mm and have it perfect .... I'm going to revise my original recommendation from 10ET44-46 and update it ...
- 10ET40-43 - with full neg camber -2 deg
- 10ET43-45 - with less neg camber.
Old 12-31-2011, 04:56 PM
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KaiB
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The line is flatened. Note that these are BFG R1 DOT slicks, large for their nominal size and very square shouldered. Camber is very close to 3*.

Snug means very slight rub without 3mm spacer.
Old 12-31-2011, 05:01 PM
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sml
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So the diff in camber from my -2 to your -3 would explain the difference!

How did you get -3 in the rear? i watched the alignment guy and the most we could adjust to was -2.
Old 01-01-2012, 06:46 AM
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ThomasC2
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Originally Posted by sml
So the diff in camber from my -2 to your -3 would explain the difference!

How did you get -3 in the rear? i watched the alignment guy and the most we could adjust to was -2.
I've got -2,3 in the rear without a problem. I have RSR top mounts.

Thomas
Old 01-01-2012, 09:43 AM
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KaiB
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Originally Posted by sml
So the diff in camber from my -2 to your -3 would explain the difference!

How did you get -3 in the rear? i watched the alignment guy and the most we could adjust to was -2.
Weiner/Gamroth have their ways; I keep saying this is a great shop.

First time my coach drove the car his first comment was: "wow....who set up this car?"

Just sayin'..
Old 01-01-2012, 02:10 PM
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pantera43
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Sml, I managed to max out camber and get same as Thomas 2.3 in rear. You'll need adjustable rear spring plates to go more.

Dan

Last edited by pantera43; 01-01-2012 at 02:41 PM.
Old 01-01-2012, 04:03 PM
  #23  
KaiB
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Originally Posted by pantera43
Sml, I managed to max out camber and get same as Thomas 2.3 in rear. You'll need adjustable rear spring plates to go more.

Dan
Yep.



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