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Old 10-06-2002, 05:01 PM
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Post 460 external or internal

have 460 in 55 metro has bad vibe how do you know if the motor came internal or external <img src="confused.gif" border="0">

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Old 10-06-2002, 05:58 PM
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Production went to external balance in 1979.
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Old 10-07-2002, 01:22 PM
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thanks for the help. read article and ford muscle magazine that said that all f-e 429 and 460`s are internaly balanced. it says also that the ford truck series is exteranly balanced. ran chevy all my life don`t know much about fords. any help is appreciated.
thanks
thames53
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Old 10-07-2002, 03:07 PM
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Interesting...

Can I ask you the name and date of the magazine article you read? I might learn something here.

To me...a truck engine is a 370/429 used in a heavy truck chassis.

[ October 07, 2002: Message edited by: KULTULZ ]</p>
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Old 10-07-2002, 03:59 PM
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fordmuscle.com vibration diagnosis guide let me know what you come up with thanks for the help
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Old 10-07-2002, 09:50 PM
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<a href="http://www.fordmuscle.com/archives/2000/06/vibrations/index.shtml" target="_blank">-Vibration Analysis-</a>

[quote]The Ford FE's, 429 and 460 engines are all internally balanced, except, for the 410 and 428.

Also the Ford truck series (FT) are all externally balanced, so keep this in mind if you are using the heavy duty forged steel cranks from the FT in your FE buildups.<hr></blockquote>

thames said;

[quote]read article and ford muscle magazine that said that all f-e 429 and 460`s are internaly balanced. it says also that the ford truck series is exteranly balanced.<hr></blockquote>

I think I see your confusion. The FE Family (332-352-360-361-390-406-410-427-428) is different from the 385 Series (429/460). Also, the truck motors they mention are actually in another engine family (FT).

The article also states that all 429/460's are internally balanced. I think this statement is a mistake. Just like the small block in 1981, FORD changed production on the 385 Series in 1979 to save on materials.

What type of vibration are you having?
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Old 10-08-2002, 01:17 PM
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the vibration comes in real light when reving the motor in park put when driveing it comes in a round 1000 rpm and gets real bad to about 2800 then just about stops it has a chevy trans in it had drive shaft checked ok
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Old 10-08-2002, 01:36 PM
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I assume that it has a Chev A/T ? How did you fabricate or source the flexplate? Type of convertor? Does the trans seem to operate OK? Any front seal (pump) leaks?

Do you have any idea of the year of production of the engine?
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Old 10-08-2002, 01:55 PM
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car has at trans the motor and trans where in the car has power glide 3500 stall how do you tell the year of a ford
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Old 10-08-2002, 02:12 PM
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Exclamation

OIC...The car was assembled when you got it. Was the problem there when you test drove it?

You can identify the year of components by casting I.D. nos. The number on the block should be on the right rear pan rail behind the starter motor. Casting no. should also be on the intake manifold, exhaust manifolds, damper, etc. That will give you a clue as to year of production, but I.D. numbers covering many different years would mean an engine assembled from many different parts and the builder may not have been aware of the imbalance factor.

I would think that the problem will lie in the flex plate/torque convertor. Within the last few years, the FORD C4 has proven a match for the POWERGLIDE and has become old technology.

Your only option may be taking the thing apart and having all the moving components balanced as an assembly. Hope you find something that is simpler than this.

PS -Here- is an URL that will give a brief and not too detailed explanation of FORD nos. It will give you a basic understanding of what you will be looking for.

[ October 08, 2002: Message edited by: KULTULZ ]</p>
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