Originally Posted by The Tank
I just picked up an MRE car and its a little dif. from an xray as far as set up goes...
could someone be so kind as to tell me how all of the dif. susp. mounts work
i.e. toe, track width, roll centers...
I'm clueless to which is what?
Thanks in advance!
Different suspension mounts... very easy really
They go (from narrowest to widest)
1XD, 1XC, 1XB, 1XA, 1X, 1A, 1B, 1C, 1D, 1E
The 1 signifys that these are 1mm lower than the other (evo4) blocks that are avaliable. In effect that means they have a lower roll centre. These are standard on the MRE and Evo5. Most people just quote these without the 1 however.
The width of the blocks affects two things;
1) The suspension arm angle (the toe setting)
2) Track width
Between each block is 0.5deg difference in toe setting. For example, using the rear MRE standard setup of XB on the front, and D on the rear, gives a [i]toe-in[i] setting of 3degrees (Six steps between those blocks... 6 x 0.5 = 3
block at the front gives toe-in
(used at the rear of the car, with 1XB/1D), a wider
(used at the front of the MRE, with B/A)
(As a point of thumb, most people will post there block settings as Front block/Rear block + whichever end of the car... ie Front B/A)
The clever bit is, you can retain the same toe setting, but completely change the cars track width.
A setup of XD/A on the rear gives 3deg of toe-in, with a very narrow car, where as XB/D gives a wide car, but still 3deg of toe-in
I have a chart on my site (link in sig) regarding these... check the excel pages on there.