In 1976 my preaty much stock 948 got 49 MPG from Atlanta, GA to Iowa. Surely
had my attention. Now this was fast, for the time, highway driveing. 60-65
as much as I could.
----- Original Message -----
From: "Ron Soave" <soavero@yahoo.com>
To: <spridgets@autox.team.net>
Sent: Thursday, March 12, 2009 9:08 PM
Subject: Re: [Spridgets] Mileage
>
> Stock 948 with 1.25 SUs and 3.90 rear got 50 MPG easy, Louisville to
> Melbourne FL through the mountains (till GA). Lots of engines now shut off
> cylinders to get hwy MPG. Otto/Rankine/Carnot/Sterling cycles being what
> they are, usually smaller is more efficient.
>
> My "breathed on" 1275 gets about 8 MPG at best ;).
>
> Ron Soave
>
>
>
>
> --- On Thu, 3/12/09, Glen Byrns <grbyrns@ucdavis.edu> wrote:
>
>> From: Glen Byrns <grbyrns@ucdavis.edu>
>> Subject: Re: [Spridgets] Mileage
>> To: spridgets@autox.team.net
>> Date: Thursday, March 12, 2009, 8:24 PM
>> My best truck-drafting leg out of LotO back to CA was 44mpg.
>> With a TURBO!!
>> 5-sp/3.9ratio 1275. (A well tuned homebrew fuel injection
>> system helped
>> more than a bit and shows what is possible.) It also
>> helped power over the
>> Rockies and the Sierra, from sea level, twice each without
>> any re-tuning.
>> The engines have good potential hiding within. The worst
>> leg was 22mpg
>> right after leaving LotO and heading right into a huge
>> windstorm for an
>> entire tankful until I turned west. No truck to hide
>> behind.
>>
>> Glen
>>
>> > >
>> > A well tuned breathed on 1275/5 speed and cruise
>> control will get you 42
>> > mpg on the highway.
>> > That's what I was getting to and fro last
>> summer's Missouri trip.
>> >
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