Guest Morrie Posted February 27, 2015 Share Posted February 27, 2015 HiI have a 1928 Essex super six that I built from a rolling chassis a few years ago. I have recently had an issue with it starting fine but then running very rough with foot on accelerator then not at all with foot off , on the way to a show on the weekend it broke down for the first time ever.I am thinking it is either vacuum tank, carb or a problem with the electrics - I have seen other posts on this forum that indicate the same. Appreciate any advice anyone has to where I should start or any ideas as to most likely cause of the issues.Question 2 is that I am trying to identify what make vacuum tank my car has - I have seen a lot with Stewart tanks but mine is not the same - struggling to find info on what it may be. On mine the outer tank is around 5 inches in diameter, has an inner tank approx 2.5 inches round by 5 inches long with a conical shaped float; the float is stainless steel and has a rod with T shape hook on the top ; with two needle valves on the cap (one for fuel and one for vacuum) the inner tank has a flapper valve on the bottom.Thanks - this is first post and really looking forward to being part of this forum.Morrie - Outside Sydney Australia Link to comment Share on other sites More sharing options...
carbking Posted February 27, 2015 Share Posted February 27, 2015 Another company that made lots of vacuum tanks was Kingston.Jon. Link to comment Share on other sites More sharing options...
TKelly Posted February 27, 2015 Share Posted February 27, 2015 Hi mate,Does your vac tank look like the pictures below? If so it is a Stewart Warner unfortunately I can't help with what model it is but maybe someone else can. As for your running rough problem first thing I would check is the plugs possibly even replace them. Failing that I would check the fuel filter (if one has been fitted) and the fuel lines make sure plenty of fuel is getting to the carby.Cheers, Tristan. Link to comment Share on other sites More sharing options...
Jon37 Posted February 27, 2015 Share Posted February 27, 2015 You have a very active group of Hudson owners in Australia, and many of their cars are of your era. http://www.hudson-amc.org.au/ If you're in the club, have you tried calling or e-mailing fellow members to get their insight on this? They may also be able to help I.D. that vacuum tank. For example, perhaps the local Hudson distributor used a different tank when assembling the cars when they first arrived in pieces from America. Link to comment Share on other sites More sharing options...
Guest Morrie Posted March 1, 2015 Share Posted March 1, 2015 Thanks for your advice - I have spoken to members of my car club - we think it may be the distributor that is the problem - no luck with id'ing the vacuum tank as yet though.cheersMorrie Link to comment Share on other sites More sharing options...
hudson1948 Posted March 3, 2015 Share Posted March 3, 2015 Thanks for your advice - I have spoken to members of my car club - we think it may be the distributor that is the problem - no luck with id'ing the vacuum tank as yet though.cheersMorrieCould be that your vacuum tank float has a hole in it and it's sucking gas in through the vacuum line acting as uncontrolled fuel injection. Link to comment Share on other sites More sharing options...
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