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Old 04-16-2013, 12:58 PM
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How Much Gas is Required?

Maybe a stupid question, but since I have to get the gas from the station to my house in gas cans, I was wondering how much fuel you think would be required to break in the cam for 20-30 minutes on my 327? I don't want to run out in the middle. Thanks,

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Old 04-16-2013, 01:51 PM
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5 gallons should be enough, but if you had 10 on hand you'd be more than fine..
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Old 04-16-2013, 10:10 PM
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SFC is how much fuel your engine needs(specific fuel consumption)to produce 1 horse power.If you use a round number of .4 pounds of fuel per HP and know how many horse power you are making,,, multiply horse power produced times .4 and thats how many pounds of fuel you will need at that setting for 1 hours use.
Divide that in 1/2 for 30 minutes.
example: your engine is producing 100 hp to tow your trailer at highway speed
100x.4=40 pounds of fuel
Gas is 6 pounds per gallon,so your car would burn about 7 gallons of fuel in one hour at 60 mph,so you would get about 9 mpg,numbers all rounded.
If you are running your car with no load to break in the cam I doubt you would be making 35 to 40 hp,depending on parasitic drag of acessories and flywheel or torque converter.
2 or 3 gallons,maybe
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Old 04-16-2013, 10:20 PM
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Quote:
Originally Posted by Dougie View Post
Maybe a stupid question, but since I have to get the gas from the station to my house in gas cans, I was wondering how much fuel you think would be required to break in the cam for 20-30 minutes on my 327? I don't want to run out in the middle. Thanks,
Don't worry too much about shutting it down in the middle of breaking in the cam. I've had to do that several times to correct leaks or whatever. Crank it back up and keep going. No problem. What you don't want to do is grind on the starter for any length of time, because the cam is not getting lubed if the crank isn't spinning.
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Old 04-17-2013, 08:02 AM
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If your engine is a fresh build and untuned you want to allow for more fuel use so I think 5gall is a good and what you don't use can be put in the mower...Depending on the procedure I think you will use 2 or 3 gallons.
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