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Whats heads do I have?

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Old 02-26-2007, 09:31 PM
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Default Whats heads do I have?
How do I know which heads I have? I thought I read somewhere where the '07s come with 243 heads? Is that stamped somewhere?
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Old 02-26-2007, 09:37 PM
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look on the corner of the head, it will have the casting # on it.

i doubt your 5.3 came with 243's, but i could be wrong
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Old 02-26-2007, 09:49 PM
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https://www.performancetrucks.net/fo...d.php?t=382287
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Old 02-26-2007, 10:14 PM
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on the passenger side head look at the front corner..should say there..i know on the new body style all the ones that ive seen come through have 243 heads..but you have the classic so i dunno for sure
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Old 02-26-2007, 11:19 PM
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Originally Posted by 2002C5COUPE
look on the corner of the head, it will have the casting # on it.

i doubt your 5.3 came with 243's, but i could be wrong

lol and it looks like i was wrong!
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Old 02-27-2007, 01:58 AM
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I dont think that applies to the classic 07s
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Old 02-27-2007, 09:01 AM
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the new 07s not a carry over 06 rebadged as a 07...the 243s are on the new motors not the old ones.

if your a 5.3 you got the typical 706s i beleive
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Old 02-27-2007, 12:41 PM
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yep thats what they are 706
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Old 02-27-2007, 01:00 PM
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Originally Posted by DozerDan
yep thats what they are 706
shouldnt u be blowing up gyp??
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Old 02-27-2007, 01:39 PM
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just got done man
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