MG Midget Forum
Use ZS CD 175 float bowl on ZS CD 150 carb?
Posted by drsaint
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drsaint
Brad St
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Topic Creator (OP)
Jun 20, 2018 10:08 AM
Joined 7 years ago
7 Posts
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New member here. Just got my first Midget - 1975 1500.
As far as I can tell it has the original ZS CD 150 carb and low and behold it is leaking fuel right on the hot exhaust.
I have found a used ZS CD 175 carb for sale that has a float bowl without the plug. Any idea if that will fit a 150? If so seems like a good way to prevent future leaks.
Searched forum but couldn't find anything about using 175 bowl on a 150.
Just starting to learn the fun of the midget. Had fun driving it until the fuel started dumping on the exhaust!
Edited 1 time(s). Last edit at 2018-06-20 11:04 AM by drsaint.
As far as I can tell it has the original ZS CD 150 carb and low and behold it is leaking fuel right on the hot exhaust.
I have found a used ZS CD 175 carb for sale that has a float bowl without the plug. Any idea if that will fit a 150? If so seems like a good way to prevent future leaks.
Searched forum but couldn't find anything about using 175 bowl on a 150.
Just starting to learn the fun of the midget. Had fun driving it until the fuel started dumping on the exhaust!
Edited 1 time(s). Last edit at 2018-06-20 11:04 AM by drsaint.
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Jun 20, 2018 10:29 AM
Top Contributor
Joined 12 years ago
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BRAD: I know the float is the same, because I used to stork it for both carbs. (MOSS # 365-505), but I believe the bowl is smaller, since the carb is smaller Needle and seat (Same), Choke parts the same, Diaphragm DIFFERENT, I would say No at this point. 
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IN ALL SUBJECTS.: For those who believe, no proof is needed. For those who don’t believe, no proof is possible.
"Strive for perfection in everything. Take the best that exists and make it better. If it doesn't exist, create it. Accept nothing nearly right or good enough"
Sir Henry Royce
co-founder of Rolls-Royce .
"I take no credit for my own, of another man's fame".
Joe Baba 2021
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drsaint
Brad St
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Topic Creator (OP)
Jun 20, 2018 11:07 AM
Joined 7 years ago
7 Posts
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Thanks for the info. Any idea where to find a bowl for the 150 without the plug in the bottom? Or should I just get a new plug and O-ring and hope for the best?
I now have a fire extinguisher in the car in case that fuel leak like that ever starts a fire
I now have a fire extinguisher in the car in case that fuel leak like that ever starts a fire

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Jun 20, 2018 11:31 AM
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Buna O-ring #114 is for the plug
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Jun 20, 2018 02:24 PM
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BRAD: I know that some bowls for the TR6 (175 CD), without the "O" Ring fit the MGB Zenith's, I looked at MOSS for you, but I did not see a Part Number for the 150 bowl gasket to see if it is the same as the 175 ???
You might call them to determine that, but otherwise, a new "O" SHOULD stop the leak. I used to tell my customers to put that down on the "Yearly" maintenance schedule.
IN ALL SUBJECTS.: For those who believe, no proof is needed. For those who don’t believe, no proof is possible.
"Strive for perfection in everything. Take the best that exists and make it better. If it doesn't exist, create it. Accept nothing nearly right or good enough"
Sir Henry Royce
co-founder of Rolls-Royce .
"I take no credit for my own, of another man's fame".
Joe Baba 2021
You might call them to determine that, but otherwise, a new "O" SHOULD stop the leak. I used to tell my customers to put that down on the "Yearly" maintenance schedule.

IN ALL SUBJECTS.: For those who believe, no proof is needed. For those who don’t believe, no proof is possible.
"Strive for perfection in everything. Take the best that exists and make it better. If it doesn't exist, create it. Accept nothing nearly right or good enough"
Sir Henry Royce
co-founder of Rolls-Royce .
"I take no credit for my own, of another man's fame".
Joe Baba 2021
Member Services:
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drsaint
Brad St
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Topic Creator (OP)
Jun 20, 2018 03:12 PM
Joined 7 years ago
7 Posts
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