s'noJob

By now you've heard that revised CAFE standards require automakers to raise the average mileage of their car and truck fleets to 35 mpg by 2020.

Just hope the feds don't try to enforce post-sale gas mileage requirements some day!

Imagine some time in the future when you go in for an emissions test, your car sits on a dyno and they run a test to determine MPG. Let's say the fed new car requirement is 35 MPG and the mandated post-sale requirement is 18 MPG.

Will your modded 'Vette still pass?

s'noJob

jdmvette

18mpg...yes.

0euro@EFIAlchemy.com

My 450 RWHP C5 averages between 19.5 and 20.5 AVG., so yes, no problem at all.

02MillenniumVette

You can see my mods in my sig and I still get 28-29mpg on the highway.

BT-01-vette

If things get too crazy with emissions, that is when my Vette becomes a track car. I still get around 28mpg on the hwy with all this power

Whiteonrice

Yep

Rick

Corvette Don

I hope so

jochumr

If ya stop and think for a second ... saying your theory were to come true, by the time the feds got rid of all the SUV's and real gas hogs, the vettes would probably qualitfy for the diamond lane stickers at 25+ MPG I get 28 MPG cruisng at 75-80 ... everytime I go up to see my kids 350 miles away...

By the way I can only get 18-20 with my S10 (V6) so I guess that would be out too

Mr.Bill

I really don't think this is anything to worry about or will effect us C5 owners.

zonsolo

You do pose an interesting question. I highly doubt they will allow a 0-5 year old car drop that much if they do decide to measure it. I can see a 10 year old or more requirement dropping to almost 1/2 but not something nearly new.

I really hope they don't measure it, what percent of the average pop mods their cars anyway?

Also we could probably have some crazy "MPG" tune ready to load that totally robs power and limits RPM to something stupid like 2000RPM and forces a skip shift from 1-6th, ready and waiting to load up just before you take it in to have it tested.

moserbe

The Vette has the best MPG rating of any of the 4 cars that we own.

bgreen83

Yeah that is when you stay off the gas? how much MPG you get with a heavy foot

DeeGee

It would be impossible to set limits like that for older cars. It could never work. they'd have to set the limit for all new cars after a certain date which would only affect the C7 or the C8.

So if 18 mpg was a highway figure at a set speed most should pass.

Junkman2008

Check out all the mods in my sig. This causes my mileage to vary, along with the occasional site of a LEO or two.




____________________________________
My foot.

DefenderC5

WBHighwind

In 2020, my vette will almost be an antique! Which means that I will just dance my way past emissions testing like Ive done with my 82 F-150 for the past couple of years. That thing only passes emissions with a lot of "help"...

OleStraightStick

i'm not the slightest bit concerned.. alabama will be the last state to go completely green, and when it does, we'll all have implanted microchips and we'll all be so dumbed down that the corvette will be the last thing on our minds...

PostShawn

Well they can't make older cars pass that test. Over half of the domestic vehicles probably wouldn't pass that right now. If you car only gets 20-30 mpg stock right now it's not going to magically get 35 mpg when they pass that law. So I don't think we (the C5's) will have to worry too much about that. But the C7 or C8 will probably get hit by it.

s'noJob

The average pop? Probably pretty low. The pop of this forum? A lot higher, I would presume.

s'noJob

02MillenniumVette