At what point is it advantageous to shut the engine off while driving?

[Mazda_2.3]

Wonderboy:

That is definately something I'm going to have to take a look at once my grill blocks are finished. I haven't used the foglights yet at all and the Headlights are definately bright enough. I could definately see some sort of foam plug cut to fit and coated or maybe even plexi being used and fastened from the back w/ the factory holes.

Heck, even making my own holes, if you can't see them they aren't really there.

[taco]

Not too awful of a trip rolling resistance will help u alot. Put at least 40psi in the tires

3 m molding tape is wonderful. Lasted in a 1 .5 hr commute in a blizzard where the road wasn't no where to been seen we got about 8 inches that night (work nights) that was fun but no change in adhesion even with neg. Temps. Also had it too 100 mph and it hold great.


I wannasee 35-40 mpg out of that car!

[Mazda_2.3]

Definately, 40 would be great! I'll have to take a look at my tires. I have those sensors that sound an alarm if they get to low so I've never actually checked them (only had the car 2ish weeks) Wonder if it alerts when the pressure is to high. . . Probably/hopefully not. Gonna look into how I could tape a block in behind the grill on Saturday.

Think there would be slightly more drag from a block inside than outside?

Originally Posted by taco

Not too awful of a trip rolling resistance will help u alot. Put at least 40psi in the tires

I wannasee 35-40 mpg out of that car!

[TestDrive]

Originally Posted by Mazda_2.3

I have those sensors that sound an alarm if they get to low so I've never actually checked them (only had the car 2ish weeks)

Don't know about your vehicle in particular, but at least some of those are just ECU monitoring anti-lock speed sensors. Absolute pressure isn't monitored, just difference in average rotational speed for each tire. Too large a difference between tires and you get an alarm.