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Mamofied AFR 205 flow numbers ... just in

This is a discussion on Mamofied AFR 205 flow numbers ... just in within the GTO forums, part of the Vehicle Specific category; I figured that I had pushed my AFR 205s as far as I could so I decided to send then ...

  1. #1
    Member GTO1_OHIO's Avatar
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    Mamofied AFR 205 flow numbers (pics added)

    I figured that I had pushed my AFR 205s as far as I could so I decided to send then back to AFR's designer Tony Mamo to be hand ported. ...the process otherwise know as being Mamofied! He's also porting my Fast 90mm to match along with doing a few other things for me. Build to be detailed here at a later date.

    So just in are the flow numbers from Tony. Here's the results in his own words.

    Quote Originally Posted by Tony Mamo @ AFR
    AREA UNDER THE CURVE BABY!!

    Looks good (your head was a couple of CFM stronger than average on the intake side after I was finished with the work at .500 and .550 lift!).

    Oh, and your exhaust is crazy good from the crack of the valve to peak lift....low lifts especially good, some of that from the lighter weight valve and the special backcut I add to that.

    Honking real world numbers for a small port!
    So here's the results ... my ported AFR 205's are in the first column, The next columns are out of the box AFRs at diferent Bore sizes. Notice that except for 600 on the intake my head now outflow the new AFR 215s and as for the exhaust ... well Tony pretty much said it all.

    Last edited by GTO1_OHIO; 03-20-2010 at 07:46 AM.

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    Great low and mid lift numbers from your ported 205's. Those are going to be ridiculous street heads. Budget for LOTS of rear tires.
    Last edited by tremiles; 03-13-2010 at 07:45 PM.

  3. #3
    Member GTO1_OHIO's Avatar
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    Quote Originally Posted by tremiles View Post
    Great low and mid lift numbers from your ported 205's. Those are going to be ridiculous street heads. Budget for LOTS of rear tires.
    I already had 454rwhp not ported ... so the tires are already there.
    Last edited by GTO1_OHIO; 03-13-2010 at 07:49 PM.

  4. #4
    Senior Member qwkgto's Avatar
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    congrads,Bet you cant wait to get that thing back up and kicking all the other GTOs in OHIO ..welp except for me lol,very nice numbers...

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    Member GTO1_OHIO's Avatar
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    Quote Originally Posted by qwkgto View Post
    congrads,Bet you cant wait to get that thing back up and kicking all the other GTOs in OHIO ..welp except for me lol,very nice numbers...
    We're gonna do some hunting.

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    Veteran Hi-Po's Avatar
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    Awesome Be nice to see what gains your going to see, and since you take her to the track you should be able to see the results. Congrats though, those are some really nice heads.

  7. #7
    Senior Member qwkgto's Avatar
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    Quote Originally Posted by GTO1_OHIO View Post
    We're gonna do some hunting.
    that we will my freind..PINKS ill be fun as well..
    mods: custom built twins, built 408 w/l92 stock GM heads,GM matching intake,drag bags,frame ties,aluminum drive shaft, performabuilt 4l80e,Yank converter,ohios fastest and quickest 04-06 GTO 9.52 at 144mph. 1.50 60ft on stock rear end and shafts/suspension,on drag radials.

  8. #8
    Member GTO1_OHIO's Avatar
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    Just got these pics from Tony. They ship Monday if he finishes porting the intake this weekend.


    This picture also shows more of the REV valves (Racing Engine Valves, Inc) that he back cut to gain a little extra torque & HP at lower valve lifts

    Last edited by GTO1_OHIO; 03-20-2010 at 06:35 AM.

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am


  10. #10
    Senior Member qwkgto's Avatar
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    looking good..

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