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5.3 heads

This is a discussion on 5.3 heads within the Internal Engine forums, part of the LSx Technical Help Section category; Well was at the junk yard and found some 5.3 heads and was wondering if i can pick them up ...

  1. #1
    Senior Member OnEbAdReDSS's Avatar
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    5.3 heads

    Well was at the junk yard and found some 5.3 heads and was wondering if i can pick them up for like 150 would it be worth it and how big of a intake valve could i put in it...

  2. #2
    Veteran 0rion's Avatar
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    06 duramax

    are you planning on having them ported? My 5.3's have a 2.04 intake valve. Not sure the biggest you can go though.

  3. #3
    Senior Member OnEbAdReDSS's Avatar
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    ya i will be porting them... ya i just wanna put the biggest valves on it as i can before i have to do seats and stuff

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