To those on here runninvg 429/460s

OldRedFord · Post by **OldRedFord** » Thu Nov 19, 2009 2:38 am

What are your mpg's like? Wondering what to expect.

BobbyFord · Post by **BobbyFord** » Thu Nov 19, 2009 8:49 am

Depends on carb, gearing and whether you can keep your foot out of it. My dad's was getting 8-10

brandon.k · Post by **brandon.k** » Thu Nov 19, 2009 11:46 am

Im down to about 5 or 6 in town due to 411 gears, 3000 stall converter and the carb swap i did about a month ago. When it had the 370's and the 800cfm Holley it wasnt bad on the highway. Around 10 to 12 mpg if i was nice to it.

iamthewreckingcrew · Post by **iamthewreckingcrew** » Thu Nov 19, 2009 4:24 pm

The 460 I have was in an 81 2wd when I bought it. C6 with 3.25 gears, Performer intake and 600 Holley VS. 10 mpg no matter how I drove it. Well, I usually didn't putt around.

The 81 also weighs more than my 68 does, so I assume I will get about the same mileage. I always got 10 mpg with the 302 that's in it now, so I figure I might as well get a ton more power for the same mileage.

1971ford · Post by **1971ford** » Thu Nov 19, 2009 8:10 pm

429, edelbrock 750, 5" filter, everything else stock, 3.75 gears, 35" tires
about 11mpg (mostly downhill, because it was coming back from a race). so less than that.
I also have lots of weight, the 32gal. fuel cell was full, 3 or 4 spare wheels were in it, full cage, etc.

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