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  1. #1 Heads interchangeable? 
    SE Level Member chev1988rolet's Avatar
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    I have a spare head from another 3800 series 2 N/A. The right bank head to be specific (firewall side). Question is, can this head be put on either bank of the engine?
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  2. #2 Re: Heads interchangeable? 
    GXP Level Member Poil336's Avatar
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    hmm... doubtful. possible, but very doubful IMO. if my heads weren't at my mechanic's i'd go look for you.

    but they are, so i can't. sorry. best of luck
    99 GT - top swapped, S2X cam. - sadly, sold
    96 Firebird Formula - T-tops and exhaust leak. 14.26 @ 97.8 - sold
    2008 Chevrolet Cobalt SS - stock, in all of it's turbocharged awesomeness
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  3. #3 Re: Heads interchangeable? 
    SE Level Member chev1988rolet's Avatar
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    what you doing to your heads?
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  4. #4 Re: Heads interchangeable? 
    Turbo is the way to go. BillBoost37's Avatar
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    Front and back heads or left and right are both identical. You can swap, mix, match and do almost anything you want.

    L67 is different from L36 though. the difference is the fuel injector port on teh L67 head.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  5. #5 Re: Heads interchangeable? 
    GXP Level Member Poil336's Avatar
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    Quote Originally Posted by chev1988rolet View Post
    what you doing to your heads?
    cleaning, porting, and either top-swapping or selling it all.

    and apparently they are interchangeable. just one question from me, doesn't the coil pack bracket bolt in to the front one? like i said, i'd look, but...
    99 GT - top swapped, S2X cam. - sadly, sold
    96 Firebird Formula - T-tops and exhaust leak. 14.26 @ 97.8 - sold
    2008 Chevrolet Cobalt SS - stock, in all of it's turbocharged awesomeness
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  6. #6 Re: Heads interchangeable? 
    SE Level Member chev1988rolet's Avatar
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    Thats good, cause I bought an engine from a junk yard. I took the UIM and LIM off and saw some white colored powder type thing on one of rear bank water ports, its as if the inside of port is painted. I've worked on cars for a while and have never seen that type of white on any car. I suspect coolant leakage but dont know if its from the head or intake. has anybody ever seen this color on their water ports or throttle body water ports?
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  7. #7 Re: Heads interchangeable? 
    SE Level Member chev1988rolet's Avatar
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    That I've seen, there is four bolt holes on both sides of each head. all you got to do is just swap over the stud for the coils with a torx socket. I just needed to know if head, intake, and exhaust manifold bolts holes will align.
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