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I'm a very new member here and I'd like to say this is a cool site! I have an 86 f-250 with a 460, 4 speed, 4x4. I just moved to Montana from Nevada. I have a Edelbrock carb and intake , Hedman headers, true dual exhaust and Mallory distributor planned. My problem is, when I moved here, I burned 4 quarts of oil in just 952 miles! The motor has 131,000 miles on it, and I was towing a car. Is this normal or is it a sign of evil? I never took it over 60 mph and I change my oil every 2500 miles or so. It runs a little rough, but that's just the carb in need of tuning. Should I put these upgrades on now, or should I try to find a donor 460 and build it up and then put these parts on?
I'm pulling my smog pump and EGR off when I do these swaps, but as I see it, these do no good right now because when I let off the gas, you can get very sleepy with all the fumes pouring out of the tail pipe and into the cab! I know my carb needs adjusting, it's the original Holley 4bbl, so is that the problem, or is my smog stuff failing me?
i've come to the conclusion that it's probably time for an engine overhaul, but at only 131,000 miles? I don't know how it was driven before i got it, but it's in really good shape, (i've only owned it a year). Don't these 460's last longer than that in general?
All engines will get alot of miles without burning oil if theyre taken care of.
The compression check is a good place to start. You can buy a tester at the auto parts...low $.
thanks for the advise.
I just remembered that before I left Nevada, I changed my oil and put in 10W30, not 10W40. Could that be what caused my engine to develop a drinking problem? I put 10W40 in it up to that point and I thought that the 10W30 is getting too thin as it warms up....is this possible?
We have a 1988 Ford F Super Duty at work that has a Fuel injected 460. It seems to just burn the oil. It does have an oil leak but not that bad. We got through 1-2 quarts of oil a day! That is driving around town carrying a lot of weight and towing a brush chipper. But for sure less than 50 miles a day. Kinda sucks. You can see the smoke coming out when you rev it a bit late when shifting. Funny thing is that the truck passed an emissions test last year with this problem!
I think the 460's have a bad rep of burning oil. Too bad!
Thanks for the info! I think that since I was towing a car almost 1000 miles in some pretty nasty uphill sections it was a little thirsty for oil.
The truck runs great and the most oil I burned before this trip was about a quart every other week. It's still got me a little worried though. I'll just keep my eye on it to make sure.
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