Thread: Chevy 5.3 question
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02-06-2007 01:46 PM #1
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Chevy 5.3 question
I have the chance to get a '03 5.3 out of a friends truck. It has been burning antifreeze for a while and he's decided for what it could cost to do possible repairs, he is just going to replace the motor, and I can get it for core charge.
My question is can I use the heads on my older 350. I know I will need a different intake (vortec I assume) I'm not sure about headers.
This is assuming that the heads are not the problem to start with, I am hoping the head gasket's are bad. The motor has 120k on it , but the oil was changed every 3k, and the it seems real tight.
Any help or suggestions would be great. Thank's Ron
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02-06-2007 02:13 PM #2
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5.3 is based on the LS1 design, but is diffrent than the LS1. probably has a blown head gasket. problem is, your going to need a computer to run it.You don't know what you've got til it's gone
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02-06-2007 02:18 PM #3
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LS heads don't work on Gen I SBCs.Jack
Gone to Texas
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Is it going into a build, or making a trip to NM?
GM Engine de-coding