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Old 06-24-2012, 02:59 AM   #7
Slow Build
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Join Date: Sep 2009
Location: California Delta
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Re: How can I tell the differense between 5.3 and a 4.8 liter LS motors

Quote:
Originally Posted by dwcsr View Post
I was told that on the casting 4.8/5.3 on the front there should be a paint mark that covers either 4.8 or 5.3 and that is the way the factory new which was which on the line. It did on mine but it may not actually be correct, I only had one motor to check it on.
Which did the paint cover, the size it is or the size it isn't?
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