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Old 09-08-2008, 09:54 AM   #31 (permalink)
MechEngVT
Mechanical Engineer
 
Join Date: Jun 2008
Location: Richmond, VA
Posts: 190

The Truck - '02 Dodge Ram 1500 SLT Sport
90 day: 13.32 mpg (US)

The Van 2 - '06 Honda Odyssey EX
90 day: 20.56 mpg (US)

GoKart - '14 Hyundai Elantra GT base 6MT
90 day: 30.18 mpg (US)

Godzilla - '21 Ford F350 XL
90 day: 8.69 mpg (US)
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Quote:
Originally Posted by Sean T. View Post
I did find out that it is illegal in MI to put your car in neutral on a down grade slope....
(doesn't say anything about turning the car off though.... )
That's illegal here in VA too but does it stop me? I would say it's pretty hard to get caught doing this unless you have the misfortune of being unable to restart and/or re-engage drive when you are in the immediate vicinity of a municipality-armed revenue generator.

For you my concern would be your transmission's ability to survive EOC in neutral. Most autos require that the input shaft be powered by the engine to run the fluid pump to circulate ATF for lubrication and cooling. My 5spd manual spins gears in a bath of motor oil and ropes/splashes itself lubed. That's a world of difference right there...I would neutral-coast in an auto (most pumps turn in N but not P btw) but only EOC in a manual.

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