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Old 03-11-2015, 07:39 PM   #1
Brummel57
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Rochester B on a 261 Problems

I just rebuilt the carb because the accelerator pump was bad. Now it starts right up, idles great, accelerates fine but it wont run steady at about 1800 to 2400 rpm. In that range it spits and sputters pretty bad. Any ideas. By the way. New plugs, electronic distributor, and timing set. I'm stumped. Thanks in advance for any help.
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Old 03-11-2015, 10:28 PM   #2
dwcsr
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Re: Rochester B on a 261 Problems

loose jets will do that. coil field collapse will do that also
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Old 03-11-2015, 10:35 PM   #3
Brummel57
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Re: Rochester B on a 261 Problems

I don't know what you mean by coil field collapse. Could you please explain. Thank you
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Old 03-11-2015, 10:45 PM   #4
Wrenchbender Ret
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Re: Rochester B on a 261 Problems

Too much ign. advance can cause a condition like that. Try running it with the vacuum disconnected.
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Old 03-11-2015, 10:47 PM   #5
Brummel57
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Re: Rochester B on a 261 Problems

Thanks, I'll try that.
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Old 03-12-2015, 08:46 PM   #6
Brummel57
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Re: Rochester B on a 261 Problems

When I plugged the vacuum line the problem went away. Now I know the advance was my issue. Thanks for the tip.
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