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post #64 of (permalink) Old Sep 17th, 19, 8:09 PM
71454Chevelle
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Darren
 
Join Date: Oct 2000
Location: Indianapolis IN
Posts: 3,198
Re: 11.5 mpg 396?

I'll share my experience with mpg's that I had today.

Went for a nice little drive for a couple of hours. A total of 72 miles were driven. About 15 miles were interstate. The remainder of the miles were "stop and go city traffic" and some back road driving. Interstate was driven at 70-75 mph (6th gear) and the back roads around 50-ish mph (5th gear). Hammered on it pretty good getting onto the interstate, the rest of the time was pretty normal driving, but not "babying" it. Topped the tank off and it took right at 6 gallons to fill it up to the spout. 12 mpg. I don't think that's too bad considering my combo.......496, 10.5 cr, Brodix rect port heads, solid roller (256/264, .660/.660, 108lsa), Vic Jr, Pro Systems Venom-VX 1050 carb, Tremec 6 speed, 4.56 rear gears with 30" tires.

Darren
1971 Chevelle
496
CFM Ported Stage 5 Brodix Race-Rites 310cc
10.5 scr
Ultradyne Solid Roller 256/264 .660/.660 108 lsa
CFM Ported Victor Jr / Pro Systems Venom VX 1050
T-56 Magnum 6 Speed, DFX
12 Bolt TrueTrac, 4.56 gear 33 spline Moser axles
30x12.5 ET Street Radial
525+++ rwhp
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