Lt1 air injection question
Thread Starter
Racer
Joined: Feb 2001
Posts: 292
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From: hialeah fl florida
Lt1 air injection question
on a 92 the air check valves on the exhaust manifold if you remove the air hose is exhaust suppose to come out do they flow one way i blow towards the manifold valve out flows air the other way no but connected motor running exhaust comes out is that correct questions can i plug them shut?
Drifting
Joined: May 2001
Posts: 1,630
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From: Brandywine, Chester and Ridley Valleys Pennsylvania
Re: Lt1 air injection question (cesar)
The air from the AIR pump should be able to flow in, so if you disconnect the hose at the diverter valve and blow, it should flow to the exhaust. But if you disconnect at the exhaust and blow, it should not flow back to the diverter valve.
I wasn't sure if you said that air does or doesn't flow the other way when you checked your system.
And, yes, you can plug them shut, but your catayltic converter will take longer to reach operating temperature, obviously. Hope this helps... :chevy
I wasn't sure if you said that air does or doesn't flow the other way when you checked your system.
And, yes, you can plug them shut, but your catayltic converter will take longer to reach operating temperature, obviously. Hope this helps... :chevy
