Author Topic: Carb adjustment with vacuum guage  (Read 776 times)

brian.b

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Carb adjustment with vacuum guage
« on: August 30, 2016, 11:32:16 AM »
Hey guys I'm getting ready to try and tune the carb on the 48 and was wondering where you hook up the guage I think the only vacuum port on my carb it to the vacuum advance.....can I un hook it and tune it or should I put a tee in the line some how
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rialto

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Re: Carb adjustment with vacuum guage
« Reply #1 on: August 30, 2016, 09:34:21 PM »
A vacuum gauge needs manifold vacuum.  Kaiser vacuum advances are normally hooked to carburator vacuum. Vacuum wipers use manifold vacuum. Manifold vacuum is present at any engine speed. Carburator vacuum is only present above idle, the higher the speed the stronger the vacuum.

brian.b

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Re: Carb adjustment with vacuum guage
« Reply #2 on: August 31, 2016, 05:23:25 PM »
And I'm an idiot...... :)......I never though about the wiper vacuum thanks guys
whatever you do in life,always give 100%.unless your're donating blood.