Reply to "Multiple engine problems, help needed"

panteradougMember

The Holley has air jets built into it inside the throats of the carbs. The are called AIR BLEEDS by Holley.

Each throat has two. One is the idle air bleed, the other is the high speed air bled.

The idle air bleed on the bank that is rich is probably clogged.
When they are clogged with gummy deposits you cannot normally blow them clear with compressed air.

What you need to do is to use a number drill bit of the correct size in a pin vise and "drill" the debris inside clear, then blow it out.

It is also possible that the power valve is blown out and for some very strange reason the fuel is only getting sucked in to one side of the intake manifold?

It is VERY common to have a blown out power valvein a Holley. Virtually ANY kind of backfire will blow them out and the excess fuel will show up in the idle characteristics of the engine.

While the carb is off install an anti-backfire valve in it. It won't protect the carb 100% but it will help.

7/10/087:50 AM

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