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BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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Mod | | | Forums66 Topics126,776 Posts1,039,271 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: Jun 2007 Posts: 53 Shop Shark | | Shop Shark Joined: Jun 2007 Posts: 53 | to all you bolters that have a 454 and a turbo 400 in you truck,what kind of mileage are yoy getting if driven in a sane way,the reason i am asking is i have a 58 fleetside that i have started on and i was intending to put a 350 and 700r4 in it, as it will be a daileydriver, but i have the option to do the 454 and 400 for free, the motor and tranny have 45000 miles on them and have been well cared for. they are out of my motor home that is 25 years old and it is going away, one way or the other. any input would be appreciated Mike Bourg | | | | | Joined: Dec 2003 Posts: 1,554 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 1,554 | Mike,just my 2 cts.worth.The 350 and 700R4 is a very good way to go for mileage.Thats what I am running with a 3:90 rearend and Im getting 20 MPG.If you go with any engine,454,0r 350 and a 400 turbo,your gonna have to go to about a 3:08 rearend to get good mileage.The 700R4 is an overdrive tranny going about .78 to 1 to the rearend whereas the 400 Turbo is 1 to 1 ratio. Hope this helps. | | | | | Joined: Sep 2003 Posts: 2,384 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 2,384 | I know of no one w/a big block that gets better than about 10MPG, my 350/700r4/3.42 gets 18mpg easy. | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | My 454/400 turbo has done as well as ten, but its in a 1-ton four-wheel drive. If mileage is a real concern stay with teh small block unless you really need the power.
And you can ship me the 454/400t!
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: Oct 2006 Posts: 4,983 Master Gabster | | Master Gabster Joined: Oct 2006 Posts: 4,983 | As this thread concerns gas mileage I put this question to the bolters here: In 1981 AAA announced that the average cost per mile was .50 cents. That would include cost of the vehicle including interest paid, insurance, maintenance, and fuel. Does anyone know what that amount comes to today.
Knowing the "real" cost per mile should interest those that drive 60+ miles a day to work.
~Jim
| | | | | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | You get power or mileage, not both. I prefer power,
Scott | | | | | Joined: Sep 2003 Posts: 2,384 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 2,384 | Originally posted by 48bigtrucks:
You get power or mileage, not both. Boy ain't that the truth. My little Yota gets 30+mpg, but you can run faster than it will accelerate. | | |
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