GMC Safari/Chevy Astro Real World MPG

52 messages, Last post on Mar 05, 2009 at 9:07 PM

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What is this discussion about? GMC Safari, Chevrolet Astro, Van

#51 of 52 25 mpg? by 68ramair Mar 04, 2009 (7:11 pm)
I have had 3 astro/safari vans for about 10 years. Driven highway behind trucks to reduce wind at 45, 50, 60, 70, and many other speeds for many miles and many years. I have never reached better than 20 mpg.
#52 of 52 Re: gmc safari [guyonearth] by partyd Mar 05, 2009 (9:07 pm)
Replying to: guyonearth (Aug 05, 2008 7:27 pm) My brother rebuild the tranny and install parts from a different gm vehicle this was 4 years ago i don't remember the details but it work , it is the same electronic tranny my rps are very low on the freeway , i also have new oxygen sensor and the van is been lower 1 inch