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Old Dec 21, 2001 | 03:26 PM
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360 or 390?

Using the great information on this site, I have discovered that the engine in the 65 f100 I just bought is a 73 up block with the mirrored '501'. My question is, which is more common in this block 360 or 390? I haven't used the dowel method yet, but I was curious. Thanks for any info.
 
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Old Dec 21, 2001 | 05:11 PM
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360 or 390?

Neither, a mirror image is a FT block, not a FE. FTs come in 330MD, 330HD, 359, 361, 389, and 391 sizes. Now say you aint confused.
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Old Dec 21, 2001 | 05:56 PM
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360 or 390?

Wow! I am confused. I don't know much about these engines or trucks yet, so I can only guess. The engine in this truck looks like it has the original two barrel, valve covers, and power steering. I thought that it was a 352 until I degreased the front and saw the 501 and not 352. The engine isn't running at the moment so I don't know what it sounds like. It does have cast iron manifolds that point to the rear with dual exhaust. The driver's side manifold has some kind of valve between it and the pipe. Could this block be turned into an FE?
 
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Old Dec 21, 2001 | 08:45 PM
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360 or 390?

Philo, its an FE. There are some engines built after 1971 that have the '501' on them. Some of these are FTs, some are not. To add to the confusion, ford used some FT blocks as FEs, all that is needed is adding a small bronze bushing in the distributer's pilot hole. The nice thing about the 501 block is the extra webbing around the mains (very sturdy), many of these blocks also have thicker than average cylinder walls. My 501 block is a 390, but I've seen them on 360s too. It is also possible (but unlikely) that someone put an FT in your truck. Look at your water pump and pulleys, if DO you have an FT they will be very differant from the normal 352/360/390 stuff. DF
 
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Old Dec 22, 2001 | 06:25 PM
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360 or 390?

The water pump and pullies don't look odd, so I guess it isn't an FT. It doesn't have a dampener on the crank. I thought most, if not all, engines had some kind of vibration dampener on the front. I suspect that it is missing. It doesn't run at the moment so I don't know if it vibrates badly. Also, when using the dowel do you mark it evenly with the outer edge of the sparkplug hole?
 
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Old Dec 23, 2001 | 08:35 AM
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360 or 390?

Phil, Place the wire in the hole, one finger on top, and hold the marker against the wire while resting on the manifold. While someone else rotates the engine a couple of cycles. Then you just measure the length of the mark on the wire.
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In the cool still quiet of night, you can hear chevies rusting away.
 
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Old Dec 23, 2001 | 04:01 PM
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360 or 390?

Thanks. Looks like its a 390. I poured some gas in the carb and tried starting it. It sputtered and put on a fireworks show out of the carb. Bad gas in the tank, and the fuel pump is probably bad too. I guess that's why this is a project truck.
 
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Old Dec 23, 2001 | 08:46 PM
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360 or 390?

I just refired a truck that had sat for 6 years. I filled a antifreeze jug with gas and wedged it along side of the engine put a hose from the fuel pump into the jug, spun it over a bit, put a swallow in the carb and it fired right up. Hope you get it going. :-X12
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In the cool still quiet of night, you can hear chevies rusting away.
 
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360 or 390?

 
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