Thread: Smog pump
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Old 07-29-2006, 09:44 AM   #5
Italian LX
Daddy x4 ...we're done
 
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Join Date: Dec 2004
Location: Oxford, AL
Posts: 11,551
Re: Smog pump

Quote:
Originally Posted by wickmaster
1 more question. What does the tube at the rear of the motor that links the two heads together do? Thanks again fellas.
It allows air to be injected into the exhaust runners (from the smog pump) to help burn emmissions upon start-up.

Those holes at the end of the heads channels all the way down and have small ports into each exhaust runner.
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