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afr vs dart

This is a discussion on afr vs dart within the Internal Engine forums, part of the LSx Technical Help Section category; the price is my biggest concern , the afr is near $2200, and darts are around 1600 from summit and ...

  1. #1
    Member silverz28camaro's Avatar
    Join Date
    Apr 2006
    Washington MO

    sebring silver
    2000 z28

    afr vs dart

    the price is my biggest concern , the afr is near $2200, and darts are around 1600 from summit and have 62cc combustion chamber over the afr 65 cc chamber , the afr are proven for 40 horse on a stock ls1, but i cannot find a dyno run on a dart head swap, but i can't see why the dart heads wouldn't create just as much power or even more with the smaller chamber

  2. #2
    car enthusiast djvaly's Avatar
    Join Date
    Nov 2005
    Philly area
    afr 205 if you gonna get a good cam and Fast 90/ TB 90 with that... maximize air flow...
    if you do LS6 intake and ported stock TB then no need for AFR heads since your intake will be a bit restrictive anyways... it's your call... I assume you have full exhaust in mind too. LT H and Y and cutback...?

  3. #3
    Senior Member INMY01TA's Avatar
    Join Date
    Jan 2006

    2001 Trans Am (sold)

    AFR's worth the extra money in my opinion.

  4. #4
    Join Date
    Oct 2005

    Mag Red
    2002 Vette

    I bought Darts when they first came out because they were a good deal and there was a pretty big difference in cost between them and the AFR's at that point in time (I was actually saving for the AFR's when I bought the Darts). I got decent results from them with a small cam (24 hp). My next upgrade (over next winter) will be from the Darts to the AFR's with some "special" tweaking on the AFR's. Its really a trade of power vs. dollars. I believe the Darts are very good heads for a price point, but they won't keep up with the AFR's from a pure power standpoint. So if you have the money get the AFR's would be my recommendation, if not the Darts are good heads based on my experience but you definitely won't get as much power from them either. AFR's will likely fatten up the mid-range power more as well as the peak numbers.

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