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Registered
Join Date: Aug 2004
Location: Melbourne
Posts: 119
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Another air pump cis question
Have done multiple searches on this subject and the answer to me is a bit inconclusive, so hopefully someone can make this clearer for me..
Car is a 83 4.7 CIS with no cats, air pump seized so i removed the belt and rigged the engine fan off the crank... so can i continue to drive it as is or do i need to block the breather than feeds into the bottom of the airbox or is there anything else that needs to be capped? Passing emmissions is not a pre-requisite.. Thanks |
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03-10-2014, 07:10 PM
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Moderator
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Should be ok to block it if your Diverter Valve Diaphragm is good, this is a huge vac leak if not. Or just block the hose heading into the diverter valve on the firewall side.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** 
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03-11-2014, 05:03 AM
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