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400 Engine


 
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N.D. Farmall H Puller
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PostPosted: Wed Dec 12, 2012 3:29 pm    Post subject: 400 Engine Reply to specific post Reply with quote

Can you put 450 pistons and sleaves in a 400 block without boring it?
 
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Nebraska Kirk
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Joined: 31 Jul 2004
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PostPosted: Wed Dec 12, 2012 3:48 pm    Post subject: Re: 400 Engine Reply to specific post Reply with quote

Yes.
 
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Larry Hardesty
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PostPosted: Wed Dec 12, 2012 5:27 pm    Post subject: Re: 400 Engine Reply to specific post Reply with quote

The displacement is different but I think the stroke is longer for the 450 to get that additional displacement. Here is the engine data.

400
4.00x5.25 inches [102 x 133 mm]
264 engine

450
4.125x5.25 inches [105 x 133 mm]
281 engine
 
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Janicholson
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Joined: 30 Jan 2004
Posts: 21032
Location: St. Cloud, MN

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PostPosted: Wed Dec 12, 2012 5:32 pm    Post subject: Re: 400 Engine Reply to specific post Reply with quote

Not a flame!! The bore is the first number in the data. The stroke is the second. the strokes are the same. Jim
 
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Larry Hardesty
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PostPosted: Wed Dec 12, 2012 5:47 pm    Post subject: Re: 400 Engine Reply to specific post Reply with quote

Thanks for the correction. Not a problem. I don"t want to pass along incorrect information.
 
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CNKS
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PostPosted: Wed Dec 12, 2012 5:47 pm    Post subject: Re: 400 Engine Reply to specific post Reply with quote

The kits for the C264 engine in the Super M contain 4.125 inch pistons also.
 
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D Slater
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PostPosted: Wed Dec 12, 2012 6:24 pm    Post subject: Re: 400 Engine Reply to specific post Reply with quote

After the farmall 400 engines got a dipstick added to the block as standard equipment, which is the biggest part of them. Both the farmall 264 and 281 engines have the same casting number on the block. Later C 264 used the same connecting rod as a C 281 with the smaller piston pin bushing as standard. They fit small pin pistons without adapter bushings.
Any sleeve that will fit a C264 will fit a C281 block. Would guess now you can find a lot more C264 engines with C 281 diameter pistons than not.
 
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DeltaRed
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Location: Delta,colorado

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PostPosted: Wed Dec 12, 2012 6:28 pm    Post subject: Re: 400 Engine Reply to specific post Reply with quote

Have had the 281 pistons in a SM for 30 years.They sure woke it up!
 
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