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5.3 all aluminuim with 799 heads??

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Old 12-08-2008, 07:43 PM
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thought the 243 and 799 were same castings. And if its an aluminum block, would that have come from a 4wd. Not trying to hijack, just curious.
Old 12-08-2008, 07:54 PM
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they have no ideal what it came out of im guessin 07 truck
Old 12-08-2008, 08:10 PM
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do the new trucks have the different reluctor wheel?
Old 12-08-2008, 08:30 PM
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If it was one from the NNBS it should have the 58x reluctor.
Old 12-08-2008, 11:54 PM
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hells bells i dont know about the reluctor wheel but i do know that once i buy it that the heads and block are going on sale here i just want the pistons out of it
Old 12-09-2008, 06:29 AM
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That is a valuable engine.
Old 12-09-2008, 09:44 AM
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Its valuable complete, in a running state. Not so much after its sat outside with "prolly a bad bearing", minus the pistons.

this ones about to become an incomplete core.

peace
Hog
Old 12-09-2008, 10:46 AM
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That block if it's still good and those heads have some value to them.
Old 12-11-2008, 08:55 AM
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Originally Posted by zippy
That block if it's still good and those heads have some value to them.
true considering they can be bored out to a 5.7 and ive read that engine builders use them for 383 builds im guessin cause when boring it so much u are sure to have the cylinders match up and take out casting shift errors and such

but u wouldnt give 300 dollars for the block and heads??
Old 12-11-2008, 11:24 AM
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I'm not sure you can do that with the aluminum 5.3L unless you were able to put 5.7L sleeves in there. The heads are equivalent to the 243's which have a good resale value.


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