89 na intake sleeve?

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Jul 6, 2011 | 05:32 PM

Auto Tech

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From: New Mexico

89 na intake sleeve?

I have a 89 na 6 port. What is the sleeve installed in the top port?

Jul 6, 2011 | 11:02 PM

RW-7

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Quote:

Originally Posted by Auto Tech

I have a 89 na 6 port. What is the sleeve installed in the top port?

Those are 6 port actuators. They open and close depending on engine load. If working properly they should open at about 3500 rpm to give the engine more airflow.

Jul 6, 2011 | 11:43 PM

rxtasy3

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but as per ur other post for going carb, just remove them.

Jul 7, 2011 | 10:22 AM

Aaron Cake

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You'll find links to the Factory Service Manual in the 2nd gen FAQ. It explains most of the systems on the car.

Pulling out those sleeves and leaving the ports wide open results in a gutless car below 4000 RPM.