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12a rats nest removal

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Old 09-10-17, 12:58 PM
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12a rats nest removal

I know there are references out there for vacuum routing once emissions/rat's nest are removed from under the hood. My car came with a holley 465 and I'm going to the stock nikki setup. I just want to route everything accordingly without a rat's nest nor the other extra curricular items.

AC&CV already removed and plated.
AAB removed and butterfly fixed.


Thanks guys
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Old 09-11-17, 06:02 PM
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Look on web for tutorial by Carl RX7, might even be in an old post on here some where. Anyway tutorial was a great source of info on how to do the removal.
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Old 10-09-17, 10:44 AM
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Just food for thought. When you remove the rats nest, keep the one solenoid for the vacuum advance and plum it without the bracket. I learned from experience that these engines do not use vacuum advance when idling. After 1000rpm, the switch opens up and allows the vacuum advance to work. Without the solenoid, the engine will still run, but will hunt/lope and sound like it has a miss at idle
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Old 10-09-17, 01:35 PM
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Originally Posted by Kjpeter View Post
Just food for thought. When you remove the rats nest, keep the one solenoid for the vacuum advance and plum it without the bracket. I learned from experience that these engines do not use vacuum advance when idling. After 1000rpm, the switch opens up and allows the vacuum advance to work. Without the solenoid, the engine will still run, but will hunt/lope and sound like it has a miss at idle
Good advice,i have done this also while retuning poorly running,poor fuel mileage Weber and Holley carb installs. Greatly improves driveability,owners notice how much less their foot is on the gas for X amount of mph while cruising=better economy.
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