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Old 05-16-2018, 08:40 AM   #1
RGRG68
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2004 VUE 2.2L
Default Cold Air/Ram Air intake Y? or N? ECOTEC

I would like to squeeze a few more MPG's out of the little 2.2.. How many have done this (CAI) and how many think it's a good/bad idea? And yes keep your foot out of it, air pressure etc etc etc.. Just wanting input about a CAI/Ram.

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Old 08-02-2018, 07:57 AM   #2
Nwitte
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2006 VUE 2.2L
Default Re: Cold Air/Ram Air intake Y? or N? ECOTEC

I've done both modifications. I can tell you from experience if you do a cold air intake your low end torque will significantly increase (to the point that you are chirping your tires) and your MPG will go down noticeably. When I did a short ram intake, there was an increase across the entire rpm band and my MPG did not suffer as much (probably due to a charge of warmer air). The gain was smaller vs. the cold air intake. I also liked the sound of the ram air intake over the cold air intake.

If you are shooting for MPG, i would stick with the stock intake. It's tuned by the GM engineers. You can also buy higher flow filters to drop into the airbox.

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Old 08-02-2018, 09:34 AM   #3
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2003 L-Series 3.0L Sedan
Default Re: Cold Air/Ram Air intake Y? or N? ECOTEC

RGRG68, Nwitte may be one a very small group of people acknowledging cai decreases mpg and giving a heads up to GM. All the debates about increasing mpg have very few people that are capable of wrestling with the laws of physics. It boils down to 'you can't have it both ways'. Either you want power or mpg. You can't have both.

2018 Vette has more than double the engine displacement of a 2.2L Saturn engine and more than double the hp. EPA rating 16 mpg city, up to 25 mpg highway. Even if someone granny drives a Vette, they ain't gettin' past those mpg ratings by much.

Saturn 1.9L engine with either a 100(?) or 125 hp engine. At 100 hp, EPA rated 29 city, 40 highway. Smaller displacement, lower hp, higher mpg.

Anything done to an engine no matter what hearsay spreads without documentation are just that, hearsay. A cold air intake in theory means more air. More air means more fuel. More air and fuel means more power = lower mpg period.

A Vespa scooter - just under 10 hp, 65-70 mpg.

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