high mph then glide

[Hockey4mnhs]

we do it on flats and anywere we can get an effective glide. we also turn our engines off to get that extra little edge.

[Rick Rae]

Originally Posted by Hockey4mnhs

we also turn our engines off to get that extra little edge.

Though not those of us with typical automatic transmissions, as that tends to fry them.

As CarloSW2 said, "current." Search (either here specifically, or Google in general) is your friend.

Rick

[n0rt0npr0]

Rick,
Maybe only in the 2000 years and up range.
My 89 celeb, 93 prizm, 96 monte, 97 cutlass all do very very well with EOC'ing
I drove a 1999 dakota RT and a 2001 olds intrigue that didn't seem to like EOC very much, so for the newer stuff maybe its bad...
~Will

Originally Posted by Rick Rae

Though not those of us with typical automatic transmissions, as that tends to fry them.

As CarloSW2 said, "current." Search (either here specifically, or Google in general) is your friend.

Rick

[Rick Rae]

Originally Posted by n0rt0npr0

Maybe only in the 2000 years and up range.
My 89 celeb, 93 prizm, 96 monte, 97 cutlass all do very very well with EOC'ing

I did say "typical."

I'm not a transmission guy by any stretch, but according to other GasSavers older transmissions had a different pumping system that didn't rely on engine drive for lubricant circulation and could safely EOC. Saturns (at least some models) are fine with it as well.

As I understand it though, the majority of vehicles these days would be at risk. Surprisingly, the manual for my VW specifically forbids it:

Coasting downhill with the transmission in Neutral and the engine not operating will result in damage to the Automatic transmission.

You suppose they've had some bad experiences with hypermilers?

The post that mentioned it said "we" EOC, which could be misinterpreted to mean all hypermilers do. I'd rather see this issue raised so newcomers will either err on the side of caution or research whether it's safe for their particular vehicles, than for them to not realize there's a risk and potentially do damage to their transmissions.

Out of curiosity, what do the manuals for the four vehicles you listed say about flat towing?

Rick

[n0rt0npr0]

Rick,

Out of curiosity, what do the manuals for the four vehicles you listed say about flat towing?

The manual states no faster than 35mph and for no longer than 50 miles.