[Vwdiesel] Diesel octane or why can you run a diesel engine lean?

[David Cook]

Loren (and Roger) both great, informative
explanations, thanks!  

Loren, you addressed something I'd been wondering ever
since I turned the fueling down a little "for more
econonmy."

I'm a bit of a throttle-masher, so it probably made
sense for me, but maybe if I can change my ways, I'll
turn it up just a bit so I can have some power when I
need it.

Thanks,

David


--- LBaird119 at aol.com wrote:
>   Lean really doesn't happen, let's say you're
> cruising along at 60mph, 
> using 1.2 gph, on level ground and then stop and
> turn the pump down.
> It'll run "leaner" right?  No.  You'll now have to
> push the throttle lever 
> down a little farther in order to get up to 60 and
> maintain because you've 
> set the pump to inject less fuel at a given throttle
> setting under a certain 
> load.  You'll still be using 1.2 gph at 60mph.  The
> variations come in with 
> how much you mash the throttle, how much change in
> load you get 
> from hills, wind, etc.  If you're a throttle masher
> to increase a small 
> amount of speed, then turning things down may
> increase your overall 
> mileage.  If you're soft as a feather all the time,
> you're not using the 
> maximum fueling capabilities and likely nothing will
> change.
>      Loren

David Cook
Red '86 Cabriolet Diesel Powered
Red '90 g60 Corrado 
Brown and White '78 Westy Campmobile "Bear"
and others in various states of disrepair
Pictures here: community.webshots.com/user/superdave5599


		
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