Quote:
Originally Posted by Wayne S
Congrats, I bet it's a blast. One thing though, as an owner of an 8.1 powered Suburban....the sipping fuel part. lol I'm not sure if I'd say that they sip fuel, but I'd be real curious as to what kind of mileage you can get out of one of these 8100's in a small, light car with enough OD to keep the RPM's really low, like 1500-1700. I would think that it should be above 20 mpg, but the key is keeping that rpm down. I find that my Suburban does best when I drive 50-55...which the best it's gotten was 14.5 mpg (but that's with 4.10's and a 4L80). What rear gears are you running again?
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Running a Richmond six speed tied to a 3:55 rear gear on what should be 26 or so inch tall tires. The 69 Vette has a low drag coefficient, so I suspect it will be smooth.
I was able to get right at 20 out of my old 69 Vette with 3:55 and EFI 468 Rat.
Look for the magazine article series (June and July 2010) in Corvette Enthusiast. I was able to expand on the whole process there.
Article now out...