Are 3.4 and 3.8 Heads compatible? - FirebirdV6.com/CamaroV6.com Message Board

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Are 3.4 and 3.8 Heads compatible?

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  • Are 3.4 and 3.8 Heads compatible?

    If they are compatible, will the compression be bumped up a little if I put 3.4 heads on my 3.8?
    I'll have a 3 angle valve job done on the replacements before installation, but how much HP are we talking with these mods?

    Marc
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  • #2
    umm.... no. not at all. no way. no how.
    Keith - Chicago<br /><a href=\"http://www.hptuners.com\" target=\"_blank\">HP Tuners - PCM Reprogramming</a><br /><a href=\"http://www.dxsoftware.com/magnus/\" target=\"_blank\">97 Firebird V6 to LS1 swap</a><br /><b>V8 9.967@132.78</b> 1.322 60\' NA Heads/Cam<br /><b>V8 10.295@128.48</b> 1.363 60\' NA Cam Only<br /><b>V8 10.987@119.31</b> 1.422 60\' NA Stock Internals<br /><b>V6 13.674@98.22</b> NA<br /><b>V6 12.394@104.91</b> N20 100HP

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    • #3
      Ok, I wasn't sure. Thanx.

      Marc
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