nang Posted August 1, 2011 Share Posted August 1, 2011 Still going over my Spit.Have found that the vacuum advance unit must have a holey diaphragm. Sucking the hose does not produce the usual vacuum.Should I just blank it off and forget it, or try to find a replacement.Rimmers have the earlier models but none for my engine number. They're also horribly expensive. No one else seems to stock them.Any thoughts please.Thanks Tony. Link to comment Share on other sites More sharing options...
roddymacp Posted August 1, 2011 Share Posted August 1, 2011 Please don't laugh, but many years ago I had a series one Land Rover with the same problem. Parts were not readily available and my vac advance had a perforated diaphragm. I split the diaphragm housing carefully and replaced the perforated bit with a piece of suitable plastic carrier bag. It worked, but I had to do this several times before I sourced the replacement that I needed. Fiddley work and not really permanent, but it did the job on a temporary basis. Link to comment Share on other sites More sharing options...
CHRIS211083 Posted August 1, 2011 Share Posted August 1, 2011 Hi Nang, H&H ignition solutions will refurb it for you but you can't buy the diaphram on its own.Chris. Link to comment Share on other sites More sharing options...
piman Posted August 1, 2011 Share Posted August 1, 2011 Hello Tony,Give this company a try:- http://www.distributordoctor.com/vacuum_units.htmlAlec Link to comment Share on other sites More sharing options...
lancepar Posted August 1, 2011 Share Posted August 1, 2011 You can blank it off at the carb' if you want, some MkIV's never had a vacuum advance dizzy from new, mine doesn't. 8) Link to comment Share on other sites More sharing options...
nang Posted August 1, 2011 Author Share Posted August 1, 2011 Neglected to mention, mine is a Delco dizzy. Distibutor Docter seems only to do Joe Lucas products. Link to comment Share on other sites More sharing options...
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