[Main Performance Bulletin Board | BBFAQ | Prev by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos Some very interesting flow spec.'s! Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by 900 Aero [Email] (#425) [Profile/Gallery] (more from 900 Aero) on Wed, 10 Dec 2003 21:22:46 In Reply to: What about 94+ heads?, gorper, Wed, 10 Dec 2003 15:52:13 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

These spec.'s are on stock non-ported heads @ .450" lift just for comparison, we'll have our flowed spec.'s with graphs on our web site soon! "How do the 94+ heads compare to the 2.0?" The '94+ Int. is 228CFM, '94+ Ex. is 171CFM while the 2.0 Int. is 182CFM, and the 2.0 Ex. is 165CFM. Now the "The 2.1/2.3?" Int. is 192CFM and their Ex. is 171CFM. Please note that the '94+ and 2.1/2.3 heads are exactly the same on the exhaust side therefore flow the same! Another interesting point, the 1mm larger intake valve in the '94+ heads only represents 1 1/2% of the 18 3/4% increase in flow in the +'94 heads! By the way an '85 head (with both Int. valves at .450") is 153CFM and their Ex. is 160CFM. I'd hate to think what their Int. spec. would be with with one of the valves at .450" minus 3mm?!!! These things actually flow better on the exhaust side than the intake, no wonder Saab changed in mid '86 even though the '86 1/2 to '93 heads are still a joke compared to the 2.1/2.3 heads and especially the '94+ heads! Anyway good question gorper! Take care, Dave

posted by 66.122.77...

• Where to go from here..., Christophe, Tue, 9 Dec 2003 19:34:42
  • Re: Where to go from here..., Christophe, Thu, 11 Dec 2003 16:24:03
  • Re: Where to go from here..., SWEDISH DYNAMICS, Wed, 10 Dec 2003 09:48:06
    • you ework 2.0 goofyport heads?...., jak , Tue, 16 Dec 2003 15:19:31
      • oops ..., jak , Tue, 16 Dec 2003 16:19:05
    • Re: Where to go from here...SD, John N, Wed, 10 Dec 2003 12:48:03
      • 2.3/2.1 liter to 2.0 liter cylinder head comparison, SWEDISH DYNAMICS, Wed, 10 Dec 2003 14:30:16
        • What about 94+ heads?, gorper, Wed, 10 Dec 2003 15:52:13
          • Re: What about 94+ heads?, SWEDISH DYNAMICS, Thu, 11 Dec 2003 09:47:12
          • Some very interesting flow spec.'s!, 900 Aero , Wed, 10 Dec 2003 21:22:46 <-- Viewing This Message
  • Exhaust...., Tyler, Tue, 9 Dec 2003 20:52:05
    • Nope, California...(n/m), Tyler, Wed, 10 Dec 2003 11:52:39
      • Doh!! Thanks! ( - ), Saabing in KS, Wed, 10 Dec 2003 12:11:47
    • Tyler, are you in the KC area? ( - ), Saabing in KS, Wed, 10 Dec 2003 11:47:11

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