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Author Topic:   Air Pump
Russ3747
Journeyman

Posts: 20
From: Burlington, NC
Registered: Jan 2004

posted 01-17-2004 01:45 PM     Click Here to See the Profile for Russ3747   Click Here to Email Russ3747     Edit/Delete Message   Reply w/Quote
when removeing the air pump form an engine what is the best thing to do with the inlet pipe that comes out of the back of the heads? block it off, leave open? reroute it? what is this used for to vent the crank case?

Thanks

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Triple Black 93 GT Conv.

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itlbrnmoff
Gearhead

Posts: 1609
From: Indianapolis,IN.USA
Registered: Nov 2002

posted 02-08-2004 11:08 AM     Click Here to See the Profile for itlbrnmoff   Click Here to Email itlbrnmoff     Edit/Delete Message   Reply w/Quote
Block it off...it'll be the same as an exhaust leak. You can get these threaded inserts that screw in the hole, but more than likely, the hole will be all carboned up, and won't let you thread it in.
A cheap but crude method would be to leave the tube connected at the back of the head, then cut the tube close to the back somewhere, and crimp the end with vise-grips and bend it over a bit.
I said it was crude.

It's used to inject clean air from the pump into a hole that's in each exhaust port to dilute the exhaust gasses for lower emissions.

Don't tell the EPA I told you.

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'83 Mustang GT T/tops 306, 5-speed, 3.45 trac-loc, 650 dbl. pmpr. RPM intake, headers, 2 1/2" exhaust, 2 chamber Flowmasters = LOUD....
'88 Lincoln Mark VII LSC 5.0 HO, AOD, leather, A/C, 3.27 trac-loc...

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