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Re: Engine Production Question
Maltese Missile #242438 12/14/11 05:24 PM
Joined: Oct 2010
Posts: 304
California
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Maltese Missile
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Maltese Missile
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Joined: Oct 2010
Posts: 304
California
JUST FOUND THIS INFORMATION ONLINE. YOU GUYS KNOW YOUR STUFF THANKS!

1220 of them were “(WU)” 400 A.I.R. 4 barrel manual transmissions. (Engine codes in parenthesis are for cars built with AIR Injector Exhaust Control, code 616. This was an emissions reduction modification performed on the heads. They were cast with an air injection passage to reduce emissions. They were installed on Firebirds manufactured for sale in California only).

1967 Pontiac Firebird 400 4 Speed Convertible
1973 Opel GT

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Entire Thread
Subject Posted By Posted
Engine Production Question Maltese Missile 12/13/11 02:26 AM
Re: Engine Production Question wovenweb 12/13/11 02:53 AM
Re: Engine Production Question Bluebird428 12/13/11 05:00 AM
Re: Engine Production Question Gus68 12/13/11 05:03 AM
Re: Engine Production Question Maltese Missile 12/13/11 05:29 PM
Re: Engine Production Question TOHCan 12/13/11 11:30 PM
Re: Engine Production Question Bluebird428 12/14/11 04:36 AM
Re: Engine Production Question TOHCan 12/14/11 09:18 AM
Re: Engine Production Question Maltese Missile 12/14/11 09:24 PM
Re: Engine Production Question Region Warrior 12/14/11 09:30 PM
Re: Engine Production Question 67ramair4004sp 05/18/14 06:40 AM

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