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Will these heads work?

This is a discussion on Will these heads work? within the Internal Engine forums, part of the LSx Technical Help Section category; Hey guys i was talkin to one of my boys and he was tellin me to put 305 heads from ...

  1. #1
    chi-twn z28
    Guest

    Question Will these heads work?

    Hey guys i was talkin to one of my boys and he was tellin me to put 305 heads from a sb chevy on my LS1 for more power. Has anyone seen or heard of this being possible to do to my car? Or is he just running his mouth about s*** that he does know about?

    Thanx in advance

    Ben

  2. #2
    Junior Member
    Join Date
    Dec 2005
    Location
    baltimore
    Age
    40
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    7

    blue
    1999 ss camaro

    No, these heads will not bolt on an LS1. They have a different bolt pattern for starters and also do not flow as good as any stock ls1 head. He is talkin smack!

  3. #3
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    old days idea. 305 heads have 58cc chambers. so, people would put them on to raise the compression. meanwhile, the intake valves were smaller than the ones in 350 heads. turned right around and killed what they tried to gain.

    here's pics i took when i had both design heads.

    top LS1 head bottom SBC head









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