In a message dated 9/26/98 10:35:58 PM Eastern Daylight Time, orin@WOLFENET.com writes: << > What sort of gas mileage should I exepct from my 86 4000s 4 cyl manual shift? I got around 27 from an 87. Mixed driving. Orin. >> Thanks - will use to guage engine efficiency and tune-up accuracy. Jeff