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08-04-2019, 04:11 PM | #1 |
Member
Join Date: Aug 2011
Location: Chico,Ca
Posts: 72
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36 acceleration pump
Finally finished my 36 Cab restoration. Runs and handles fine but with hesitation and occasional back fire with acceleration. Checked the carb and no gas from the accel. pump. Happened to have a pump rebuild kit and replaced the pump arm and leather plunger mechanism. Only slight improvement. (The previous pump leather was no doubt bad). Some gas does come out the discharge nozzles but not much---seems to be there should be a good squirt. Any advise from anyone. Thanks Bruce
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08-04-2019, 04:35 PM | #2 |
Senior Member
Join Date: Sep 2013
Location: Spalding, United Kingdom
Posts: 306
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Re: 36 acceleration pump
I had to completely strip and clean my carb. One emulsion tube was blocked, the hockey sticks were bent and blocked. Don't just chase one problem at a time, strip and clean it properly.
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08-05-2019, 07:45 AM | #3 |
Senior Member
Join Date: May 2010
Posts: 4,750
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Re: 36 acceleration pump
I think your talking about a Stromberg 97?? If so there seems to be an obstruction blocking the accelerator passages or there is no fuel for the pump to pump. Should have a good strong pump stream.
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08-05-2019, 09:37 AM | #4 |
Member
Join Date: Aug 2011
Location: Chico,Ca
Posts: 72
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Re: 36 acceleration pump
Good advise from both. It is a Stromberg 97 and I seem to recall a strong stream from both jets when I checked in the past.
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08-05-2019, 10:05 AM | #5 |
BANNED
Join Date: May 2010
Posts: 3,019
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Re: 36 acceleration pump
In some cases the check valve behind the middle plug is stuck open , don't overlook
that. Charlie ny |
08-06-2019, 07:26 AM | #6 |
Senior Member
Join Date: May 2010
Posts: 4,750
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Re: 36 acceleration pump
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08-06-2019, 11:16 AM | #7 |
Member
Join Date: Aug 2011
Location: Chico,Ca
Posts: 72
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Re: 36 acceleration pump
Thanks guys ----will check that today. Bruce
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