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Gas Mileage

Posted By NewPunkRKR 15 Years Ago
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NewPunkRKR
Posted 15 Years Ago
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Not a Y question but still a Ford.  I just bought a '79 Bronco (351M w/ C6) for hauling things and bad weather days.  My understanding is that it is going to be a gas HOG (8-10mpg).  I get about 18-20 with my 312 and fordo/fmx in my 4dr 500.  Is the Y just that more efficient.  Is there any ways to improve the 351?  My guess is the fairlane is about twice the size of the bronco.  I haven't checked the rear diff on the bronco, but I think they came with 3.50 gears.  I still need to tune the carb because it idles really rough but I don't think that will make much difference on the road.  Anyone using a C6, is there an overdrive?  Any suggestions appreciated!

- John

John: Lake Forest, IL



'57 Fairlane 500 - Looking better every day.





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Forum Post Gas Mileage By NewPunkRKR ( 15 Years Ago )
Forum Post There's 3 big reasons the Bronco is going to use twice as much gas as... By PWH42 ( 15 Years Ago )
Forum Post It is probably to blame on the whole package rather than the 351M... By charliemccraney ( 15 Years Ago )
Forum Post I worked for Ford when the 351M/400 came out and it was in the trucks... By MarkMontereyBay ( 15 Years Ago )
Forum Post Big Broncos were all gas hogs. One thing you can do to help out the... By lowrider ( 15 Years Ago )
Forum Post I bought a 1978 Bronco new with the 351 and C-6. Best mileage was... By Ol'ford nut ( 15 Years Ago )
Forum Post thanks guys! I know the engine was rebuilt about 7 years ago: got a... By NewPunkRKR ( 15 Years Ago )
Forum Post [quote][b]NewPunkRKR (3/11/2010)[/b][hr]
So basically what you're...
By charliemccraney ( 15 Years Ago )
Forum Post I would think another reason the Y would have good efficiency would be... By Flying Jester ( 15 Years Ago )
Forum Post I would think that the 351m, with it's longer stroke and bigger bore... By charliemccraney ( 15 Years Ago )
Forum Post The 351 and 400m engines are torque monsters with some bolt ons.Gas... By Nathan Soukup ( 15 Years Ago )
Forum Post Bonafide Ford torque monster was the 70 Lincoln MkIII 460. 365... By MarkMontereyBay ( 15 Years Ago )
Forum Post If only you could see Alaska. It's common practice when you have an... By Flying Jester ( 15 Years Ago )
Forum Post If anyone knows of a site similar to this one for the 351M and/or 1979... By NewPunkRKR ( 15 Years Ago )
Forum Post The 351m400 have great potential, especially the 400, it was... By Pete's Panel ( 15 Years Ago )


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