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440 Block Serial Number #1406145
03/21/13 04:12 PM
03/21/13 04:12 PM
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Arkansas
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Nimbus426 Offline OP
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I have a 1969 440 and I'm not certain what it came out of. The modest exhaust manifolds and the fact that there is no "HP" stamped on the ID plate tells me it wasn't from anything too special.

The number on the passenger side above the pan reads: 9C254478

Is there a way to determine the body type from this? Thanks


-ERIC
Re: 440 Block Serial Number [Re: Nimbus426] #1406146
03/21/13 05:00 PM
03/21/13 05:00 PM
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JohnRR Offline
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It's easy to tell by the fact that it is not an HP ... 350 HP 440's only came in C (land) barges ( and maybe pickups ??? ), whatever was built at that specific plant ... C ....

Re: 440 Block Serial Number [Re: Nimbus426] #1406147
03/21/13 05:08 PM
03/21/13 05:08 PM
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AndyF Offline
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If you have the matching transmission then you might be able to figure it out. The part number on an automatic tranny will often get you to a fairly narrow application.

Re: 440 Block Serial Number [Re: AndyF] #1406148
03/21/13 06:15 PM
03/21/13 06:15 PM
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Nimbus426 Offline OP
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Okay that's what I was thinking. And the original trans is gone. Not that it really matters I guess. I was going to rebuild it and make a screamer out of it anyway. Any tips on building a six pack motor? Thanks


-ERIC
Re: 440 Block Serial Number [Re: AndyF] #1406149
03/21/13 06:15 PM
03/21/13 06:15 PM
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Harlan, Iowa
69CoronetRT Offline
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The "C" tells us it came from the Jefferson plant. they built Chryslers and Imperials so it's from one of those makes.


Seeking:

1969 St. Louis plant VINs, SPD, and VONs.
Over 2,000 thanks to you!
Re: 440 Block Serial Number [Re: Nimbus426] #1406150
03/21/13 06:44 PM
03/21/13 06:44 PM
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JohnRR Offline
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Quote:

Okay that's what I was thinking. And the original trans is gone. Not that it really matters I guess. I was going to rebuild it and make a screamer out of it anyway. Any tips on building a six pack motor? Thanks




factory 6pack motor or ?

A factory 6pack motor has heavy rods with undersized rod bolts for the weight of them and heavy pistons and is external balanced , using many parts that are hard to find and $$$ because of 2 words strung together ... six and pack .

What exactly are you trying to build ?

Re: 440 Block Serial Number [Re: JohnRR] #1406151
03/21/13 07:31 PM
03/21/13 07:31 PM
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Nimbus426 Offline OP
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My 69 440 is a 4bbl but I wanted to see what it would take to make a six pack motor out of it. Its going into a restomod car anyway so originality isn't an issue. Aftermarket parts are fine with me as long as it delivers good performance. Thanks


-ERIC
Re: 440 Block Serial Number [Re: Nimbus426] #1406152
03/21/13 07:33 PM
03/21/13 07:33 PM
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JohnRR Offline
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Quote:

My 69 440 is a 4bbl but I wanted to see what it would take to make a six pack motor out of it. Its going into a restomod car anyway so originality isn't an issue. Aftermarket parts are fine with me as long as it delivers good performance. Thanks




Change the cam/springs, change the exh manifolds to HP or headers and put a 6pk on it .. bingo , 6pk motor.

Re: 440 Block Serial Number [Re: Nimbus426] #1406153
03/21/13 07:34 PM
03/21/13 07:34 PM
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Nimbus426 Offline OP
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...going to be a cruiser. Not trying to build a drag car.


-ERIC
Re: 440 Block Serial Number [Re: Nimbus426] #1406154
03/21/13 07:35 PM
03/21/13 07:35 PM
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Arkansas
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Nimbus426 Offline OP
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Okay that sounds easy enough. Thanks


-ERIC






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