Gee, Thanks Martin.. :) So 6068 is back on the road. And, I learned something today! (Like, in South Park). Quick recap, for the archives: I rebuilt my entire brake system, including the STOCK DMC master cylinder (MC). Based on common cross reference lists, I ordered a MC rebuild kit for a 1984 Saab 900. After the rebuild was done, the pedal would not stay firm. Sometimes, the first pump would be good but it would then slowly get closer to the floor with each pump. What I learned: The Cardone rebuilt "Saab" master cylinder came in from RockAuto. Being that I needed an answer as to "why" in this whole mess, I took the Carone apart. As soon as the first piston set and spring came out it was clear that the Saab MC is NOT THE SAME as the DMC. My intention was to swap the springs with the DMC unit, but because the internals are not the same it could not be done. While I had it apart next to a second "loaned" stock DMC MC (thanks Tom G!) it looked like the Saab piston was a bit larger than the DMC. Whip out the calipers, and sure enuff!! The Saab unit *IS* a larger piston. Well, if the piston is larger then how can we use Saab rebuild kit on a DMC MC?? On closer inspection of the rebuilt DMC MC, I could feel the pistons not sliding properly. With fluid and pressure, the pistons did not return to their at rest position fast enough. That explains why the first pedal pump was good, and following ones were closer to the floor. I put the Cardone (Saab) unit back together, and installed it on the car. 1 month to have it sitting in the garage is enough. So, I am currently running with the "saab" version and I will see how I like it over the next few weeks (new ceramic brake pads have a long "wear in" period). As far as advice, I don't want to recommend the 62/38 VS 50/50 as I am no expert on the subject. However, I will say if you want the 50/50 John's deal is a good one. I paid a bit less for the "rebuilt" but it comes unpainted. Based on the photo on John's site, his is colored to match the gold of the original. What is confusing on John's site is, the "thumbnail" shot of the MC has an orange band (that is what is on the 62/38), but when you click the photo the full-size has the BLACK band (for 50/50). http://www.specialtauto.com/delorean-parts/images/brake-mast-cyl_small.jpg http://www.specialtauto.com/delorean-parts/images/brake-mast-cyl.jpg Of course, if you want the 62/38 James has already posted that they (PJ Grady, and DMC-GG) have them. On their site, it looks like 105543 sells for $125 and INCLUDES a new reservoir and level sender. If I am unhappy with the 50/50, I will be picking one of those up. I'd still love to find a rebuild kit for the DMC MC. I have no idea what a Saab 99 is. I don't think we had them in the USA. --- Martin Gutkowski - DMC Ltd <martin@xxxxxxxxxxxxxx> wrote: > Correction: It's a 62/38... checked one of the old > ones > > Martin __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/