What is this??
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Freshman User
Joined: Jun 2007
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From: Franklin, TN
What is this??
I've got a 95 I6. I think the guy I bought it from said he made that tan colored "spacer" in between the intake manifold and the air intake side. He said he did it to get better MPG. I don't know if it does any good. My MPG on the highway at 65mph with M5OD trans is around 14....ouch. DO you think this spacer helps any??
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Freshman User
Joined: Jun 2007
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From: Franklin, TN
Thanks....kin-of what I thought. I wonder if it's worth the trouble to take it out...or should I just leave it there?
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It's probably made from phenolic, not wood. I doubt that it is hurting anything, but I don't know that it helps anything either. It changes the overall plenum volume, but probably not appreciably.
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Your mpg is a bit low unless you are carrying 5000 lbs at 65 through hill country. Perhaps a systematic check of the efi, airflow meter, ignition, vacuum, compression would be in order to see if something simple is costing you 3 to 6 mpg. The spacer might be contributing to a vacuum leak--easy enough to tell, just spray wd40 or carb cleaner around it at idle. Any change in idle speed/quality points to a leak. Ditto the intake manifold.
Good luck.
Good luck.
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