Do I still have time?
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From: Billings Montana
Do I still have time?
I have an 86 F-250 with the 460 in it. I moved to a place where I don't have any emissions tests. I want to put on an Edelbrock intake, Edelbrock carb, and Mallory distributor. I also want to put on Hedman headers and true dual exhaust. My problem is that this truck is going through about 1 to 2 quarts of oil a week, depending on how far I have to drive. I haven't done a compression test, but I suspect that the rings are going out because when I stand on it, I can see blue smoke coming out of the exhuast. This engine is strong with no ticking or any other problems. I'm just on the fence as to whether I should find an engine and rebuild and wait for the old one to croak, or should I go ahead and buy the parts I want and swap them when the time comes to the new engine? Do I still have time to enjoy these parts?
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From: Right Next to U
The more you stand on it, the worst it will get, if you decide to put all that stuff on it, it will go puff in no time, if I was you, instead of doin the modifications to an already weak motor (bad /broken compression rings will just make it burn that much oil quicker than it is already... ) it would be MUCH better to redo the engine the right way, than to throw it all away and waste it on a weak and perhaps an already high mileage engine.....your choice.
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Joined: Oct 2002
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If you were to rebuild your existing motor and put in a bit more cam amd possibly up the compression a bit you might be suprised at how much that will help.I would also think about starting with the exhust mods first,if you can't get a motor to exhake,no use trying to make it inhale better.just my 2 cents.
Post Fiend
Joined: Nov 2001
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From: Coutts Canada
If you are on a budget for a rebuild just put new rings, gaskets, bearings, flat top pistons, a new rv cam set with lifters, if you do it yourself you can do a rebuild for about a $1000 but that is minus those mods you want to do, with the mods you can safely add another $1000-$1500 easliy.
Elder User
Joined: Mar 2004
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From: Texas
7.5l
My F-150 came from the factory with a 351W but now sports a Ford crate 535 HP 7.5L 460. Yes, I used the motor mounts and accessory brackets from an 83 F250 7.5L.
The crate motor cost $5500 delivered to my local Ford racing dealer. I could not build the same engine for much less plus considering the cost of the Cobrajet aluminum heads which came with the crate motor.
I agree with the others. Don't put new parts on a tired engine. Rebuild or buy rebuilt. You are way ahead of the game.
Ummm...don't plan on standing on the crate motor for very long unless you happen to be at a drag strip, it will hurt you
The crate motor cost $5500 delivered to my local Ford racing dealer. I could not build the same engine for much less plus considering the cost of the Cobrajet aluminum heads which came with the crate motor.
I agree with the others. Don't put new parts on a tired engine. Rebuild or buy rebuilt. You are way ahead of the game.
Ummm...don't plan on standing on the crate motor for very long unless you happen to be at a drag strip, it will hurt you
Last edited by 82F1507.5; Sep 10, 2004 at 02:25 PM.
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From: Billings Montana
Well, I guess what I meant by stand on it is when I pass someone or get on the highway on-ramp. I know that this truck isn't a race vehicle by any stretch of the imagination, but it is nice to have a 460 to motivate me along. I should also say that it seems to burn more oil when I use Valvoline rather than cheap convenience store type oil. That's why I was hoping that I would still have time as the engine is strong other than that.
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From: Right Next to U
Have you check the plugs to see if they are misfiring or is blacked with oil? When you remove the ( any) sparkplug, is there oil on the end, or is there so much leakage from the valve covers that its leaking around the plugs? You can do a compression check if you get a compression checker...usually if the cylinders are within 10% of each other, the cylinder has good compression...if other than that, its questionable if its rings, oil rings..or cylinder wear.
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Post Fiend
Joined: Jan 2000
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From: Dryden, ON, Canada
If it's blowing blue, it isn't a strong engine, PERIOD. With that amount of oil useage, I wouldn't think about putting any performance parts in it.
1-2 quarts a week is BAD. The one I just replaced in my 86 used maybe a quart every 5000 miles...
1-2 quarts a week is BAD. The one I just replaced in my 86 used maybe a quart every 5000 miles...
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Thread Starter
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Posting Guru
Joined: May 2004
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From: Billings Montana
Yeah, I agree with you there. I found out that my neighbor has a friend that has a 74 Lincoln with a 460 that he's going to let go. I think I can get the engine for cheap, (or nothing), and build it up. Thanks for the input!