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On 24 Aug 2005 at 22:28, Russ Wolfe wrote: > All of the books that I have looked in, have shown the .5mm tolerance > for the dual circuit systems and 5mm for the single circuit. Okay, I only found the single circuit 5mm, so I was wondering if that other decimal point was possibly a typo. Now I know that it wasn't. > > The same pedal stroke requirement would be in play, however, since brakes are > > the same (I think.) > > But what about the depth of the recess in the face of the master > cylinder. I have been willing to assume that the VW engineers kept that the same just to maintain the same geometry when the MC changed. I agree that it's possible that it was changed either randomly, or maybe it was even changed intensionally, just to make up for the additional stroke requirements of the tandem MC. I'd be happy for someone to measure some of these, or for someone to send me a simplex MC to measure. I MAY have a simplex MC kit here; I'll look and measure the piston, if I have one. > > Isn't the cross panel that we measure to part of the body? > Nope, it is part of the frame. I don't have a digital camera right now, > so I couldnt take a picture, of the parts car or the Ghia. The gas tank > is out of both. I wonder if we are talking about the right thing? I would think that the thing to measure to would be whatever the back of the pedal would eventually run into. I know the part you're talking about. It's the flat black plate that the pushrod passes thru before it gets to the MC, but I thought the pedal would actually reach higher and run into the body above that panel. I need to stop doing this from memory and go look at my car. ;-) If I can eventually make up one of the VW gauges, then it will be easy to tell what it runs into. Why does the gas tank affect this? -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~