1927Chevy Posted July 19, 2014 Share Posted July 19, 2014 Ladies and Gentsin search of a Stewart Warner vacuum tank for my 27 touring car. can email me cpaxirs@Comcast.net.thank youKen Link to comment Share on other sites More sharing options...
cahartley Posted July 21, 2014 Share Posted July 21, 2014 Keep an eye on ebay.They come up fairly frequently.Unfortunately there is a parts only one on now....... Link to comment Share on other sites More sharing options...
HarryLime Posted July 21, 2014 Share Posted July 21, 2014 I know the Stewart tanks are small or large. Is that the only difference or is there more to know for a specific model car to specific tank ? Thanks for any info....... Link to comment Share on other sites More sharing options...
cahartley Posted July 22, 2014 Share Posted July 22, 2014 In my limited encounters with these things (I've repaired a few) I've seen only the one size and they all looked the same.Any particular model numbers would be irrelevant except to a purist. Link to comment Share on other sites More sharing options...
Guest art s Posted July 26, 2014 Share Posted July 26, 2014 The smaller Chevrolet 4 cylinders used a 4 screw top stewart warner vacuum tank. I have been told that since it only had 4 screws that they were a little more prone to leaking vacuum. If it is not going to be a judged car the 8 screw tank is much easier to find. The fellow where I store my car has several hundred of these and rebuilds them as a side business. The tricky part is getting the vacuum vent just right so the car doesn't falter too much when the tank is full of gas and it vents to atmosphere. Link to comment Share on other sites More sharing options...
1927Chevy Posted July 26, 2014 Author Share Posted July 26, 2014 also have heard opposite, me not being an expert just reading manual which indicates 4 bolt. also would take good float Link to comment Share on other sites More sharing options...
Guest art s Posted July 27, 2014 Share Posted July 27, 2014 I did not understand what you are saying you heard the opposite about. Was it the leaking top part or the size of the relief orifice? If you would like I can PM with his phone #. He does not have a computer, they lead a very private life. The VCCA has a great web site with a buy and sell area, or like the other fellow said you can watch greed bay. Link to comment Share on other sites More sharing options...
cahartley Posted July 27, 2014 Share Posted July 27, 2014 This is the vacuum pump in my Dodge.The inner canister has a very thin, narrow, flange on it which sits, metal to metal, on the face of the outer canister.A single cork gasket is used between the top cover and canisters as cork will allow for the minute difference in the thickness of the inner and outer canisters to form an air tight seal.This is where more screws come into play.......more screws, more compression.As long as the gas inlet and vacuum valve seats are good it's next to infallible and totally unaffected by any fuel.On rare occasions the seats MAY become loose in which case a little Loc-tite will remedy that.......probably forever. Link to comment Share on other sites More sharing options...
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