Vacuum secondary adjustment

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May 17, 2006 | 04:16 PM

DartDude

Thread Starter

Joined: Jun 2005

Posts: 5

Vacuum secondary adjustment

I have a '69 Torino M code 290 4v. I was wondering if there was anyway to adjust how fast the secondaries open up.

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May 17, 2006 | 04:25 PM

67coupe

2nd Gear Member

Joined: May 2004

Posts: 349

From:

RE: Vacuum secondary adjustment

If it is a Holley you can buy a spring kit with different strength springs. You just experiment until you hear the back barrels open but don't get a surge. If you get a surge they are coming in late.

May 18, 2006 | 12:24 PM

DartDude

Thread Starter

Joined: Jun 2005

Posts: 5

RE: Vacuum secondary adjustment

Sorry, I forgot to mention its an Autolite carb. There is definetly a surge when the secondaries open up.

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