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On Tue, 2005-08-23 at 21:39, Russ Wolfe wrote: > On Tue, 2005-08-23 at 21:28, Jim Adney wrote: > > > > > I measured 2 pushrods downstairs, and they both came out to about 153mm. So > > that's your ball park for a type 3. > > > > I have an early VW manual which gives the nominal length as 143.5mm +/- 5mm. I > > suspect this is the wrong number and should be 153.5 or ? Perhaps someone out > > there has some more data. > > > > I've put a lot of time and thought into this, and I've read thru all the > > manuals that I have here. In the end, I believe that your pushrod has been > > changed, you should adjust it according to the proceedure in my second > > paragraph above. The gauge I emailed you just helps you set the pedal stop > > plate, which is the first step above. > > Remember Jim, he has an 1965 single circuit system. Push rods may not be > the same. > If I can tomorrow, I will see if I can measure the one in my '66 and the > one in the T-34. Your 153mm to the center of the hole sounds too long. The spec in the old Bentley is 149.5 +/- .5mm for dual circuit brakes, and 143.5mm +/- 5mm for single circuit brakes. I went out and measured the one from the '64 T-3 Ghia and it measures 145.3mm. I measured the one from my parts car, and it came out at 149.1mm Both would be in spec according to the Old Bentley. The Ghia bulkhead is different from the regular T-3, as there is an extra panel in there. BTW, the master cylinder is mounted to the pan, and not to the body. So, slop in body bolt holes on assembly wouldnt make any difference. I wonder if the difference is in the single and dual master cylinders?? -- Russ Wolfe '71 FB AT '66 FB MT '64 T34 (not running) '65 T1 (not running) '05 KIA Sorento SUV russw@classicvw.org http://www.classicvw.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~