243 heads on my 5.3 07

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04-14-2012, 06:16 PM

#31

okieraptor

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Will you loose any tq with switching heads? If they are milled of course. I would like to do this to my 4.8.

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04-14-2012, 06:49 PM

#32

chevy_silverado07

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Got em done today and retuned and running like a beast id say 243 heads are definitely worth the money..feels like my cam can breathe now...now to get rid of these 706 stock heads..

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04-14-2012, 06:55 PM

#33

chevy_silverado07

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Quote:

Originally Posted by okieraptor

Will you loose any tq with switching heads? If they are milled of course. I would like to do this to my 4.8.

From what I've been told u lose top end tq if u dont mill them but I didint get mine milled got em on like that and feels great

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04-14-2012, 08:30 PM

#34

TURBHOE

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i didn't mill mine either and motor still felt stronger off boost.

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04-15-2012, 12:03 AM

#35

06tx4.8

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Quote:

Originally Posted by chevy_silverado07

From what I've been told u lose top end tq if u dont mill them but I didint get mine milled got em on like that and feels great

glad u like it bro, get that y pipe we talked about, and ur set!!

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04-15-2012, 12:38 PM

#36

chevy_silverado07

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Yep..thats y 3" y pipe an stall soon

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