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Old 01-14-2022, 06:58 AM   #6
Dieselwrencher
6>8 Plugless........
 
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Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,135
Re: Cummin 12 valve Square Body Suburban MPG?

Quote:
Originally Posted by James Lamb View Post
Ah. That makes sense then. I got 17 with a 6.5 turbo, and I always thought of the 6bt as more fuel efficient. But I don't typically drive as fast.

Thanks for the info.
Some 6bt's are more efficient than others. The VE rotary pump engines do really well. I had one I put in a 95 F350 crew cab long bed 4x4 that would get 22 highway and 18 pulling 18k no BS. I never should have sold that thing.
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Ryan
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project


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