[DML] Re: Gas Mileage

["content22207" <brobertson@xxxxxxxxxxxx>]

RPM's are the biggest MPG killers (assuming rest of the engine is
tight and in tune). 1981 highway measurements were made at 55 MPH
national speed limit: near 2,000 RPM for a 5 speed. Today's speed
limits (70 MPH posted in North Carolina) increase engine rotation
close to 3,000 -- 25-33% MPG reduction right there.

Owners of manually equipped cars may also over rev them in town (let's
be honest -- it's more fun). Progressive shift points are in the mid
2,000 RPM's. Some of us push that to 4,000 or so, again reducing MPG.

Don't forget how heavy a DeLo is. By comparison, a 1981 Civic weighed
almost half as much (1,800 lbs I think?).

And the fat back tires are going to put up more resistance on the
pavement than something 200mm or less in width. Low inflation spec
exacerbates this. 

My PRV is burning an unmatched carburetor. Mileage around town is in
the mid teens, rising to the low 20's on the highway. Caravan gas
stops put me approximately 1 gallon behind fuel injected units (I buy
~12 gallons to their ~11). 

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, Todd Nelson <tan5732@xxxx> wrote:
> Hey,
> 
> Has anyone ever looked into improving the gas mileage on their
DeLorean?  Or is that not a concern?
> 
> Thanks,
> Todd
> 
> 
> [Non-text portions of this message have been removed]




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