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Regarding that 43 mm measurement to fing¹!. BTDC... Sounds like that measurement would apply for a Type 1 pulley, *not* for the Type 3. A 43 mm arc length and 30-deg. angle corresponds to a pulley diameter of 164 mm (about 6.5 in.). That's way too small for the Type 3. What IS the diameter of our pulleys? I think I read somewhere that the diameters vary depending on early or late (1972+ ..?). Does anybody know? -Mark > -----Original Message----- > From: Justin [SMTP:C-ya@tmgbbs.com] > Sent: Wednesday, April 28, 1999 11:52 AM > To: type3@vwtype3.org > Subject: Re: [T3] Tune Up & Brakes > > > With a fixed light, you have to use a protractor to make a 30-degree > > mark on your pulley, then read it with the light at full advance to > > determine how close you're coming to the mark. > > > > Steven Ayres, Prescott AZ > > '66 Grosse Karmann > > Or measure 43mm to the right of TDC, and make a mark. This will be 30* > BTDC and you can use a fixed light. > > Found this tidbit at http://www.w-p-c.com/buggy3.htm. Thanks to Ken's > Buggy Barn. > > -- > Justin > C-ya@tmgbbs.com http://tmgbbs.com/cya > '95 CBR9 FeRRari red (now) w/ '93 bodywork > '71 VW Squareback > > > ------------------------------------------------------------------- > List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org