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Home » Public Forums » GMCnet » [GMCnet] Tucson trip. 8.35 MPG with a 17, 300 GVW. Good for that weight I think.
[GMCnet] Tucson trip. 8.35 MPG with a 17, 300 GVW. Good for that weight I think. [message #332594] Sat, 26 May 2018 01:16 Go to previous message
BobDunahugh is currently offline  BobDunahugh   United States
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Registered: October 2010
Location: Cedar Rapids, IA
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78 Royale 403 with Howell/GM EFI with computer distributor spark control, stock exhaust system, and 3:70 FD. 3,497 miles round trip that makes up a good average. The Royale's are the heaviest GMC's at about 12,000lbs, Chevy Uplander handicap lift van on dolly. 5,324 lbs. Be interesting to see what we'd get not pulling anything. That never happens. As the rest of the time I'm pulling my enclosed 24ft race car trailer. That comes in at 24,000 GVW. Bob Dunahugh 78 Royale
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