Ems Posted August 12, 2014 Share Posted August 12, 2014 I need to get the ATE master cylinder for my Manta rebuilt, but before spending any money - is the bore going to be big enough for a Manta with 4 pots on the front and Astra calipers/discs on the back? Thanks Quote Link to comment Share on other sites More sharing options...
Snowy Posted August 12, 2014 Share Posted August 12, 2014 If you can work out the volume of fluid you'll be displacing with the new and old set up that will give you a guide. I think the standard master cylinder is around 20mm bore? Quote Link to comment Share on other sites More sharing options...
Ems Posted August 12, 2014 Author Share Posted August 12, 2014 Wouldn't know where to start! Quote Link to comment Share on other sites More sharing options...
andyc Posted August 12, 2014 Share Posted August 12, 2014 Get mine done here http://www.pastparts.co.uk/ Last one i had done was approx hundred pounds but its was all cleaned and they over bore the cylinder and sleeve it with a stainless steel insert and all new seals Cheers Andy Quote Link to comment Share on other sites More sharing options...
Snowy Posted August 13, 2014 Share Posted August 13, 2014 Wouldn't know where to start! Ok, do you know anyone using the same set up as you plan too? Or speak to someone like TJM or Retropower who may be able to advise you on your setup. Quote Link to comment Share on other sites More sharing options...
kenny dock Posted August 19, 2014 Share Posted August 19, 2014 18 or 20 mm bore, I had problems with ate cylinder, Greece Opel parts advised of two different sizes. The cylinder has a raised stamp on it at the front end telling you the size. Be careful if you're buying seals. Don't buy the wrong ones. Kenny dock Quote Link to comment Share on other sites More sharing options...
rutts Posted August 23, 2014 Share Posted August 23, 2014 find a Monza 3.0 ATE master cylinder. or recon one from GM6 Monza parts. 23mm will give a better peddle fits straight onto manta servo no problem. Quote Link to comment Share on other sites More sharing options...
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