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  1. 2

    Added 20hp with C&L combo! Dyno results here

    This is exactly why I am concerned about adding mods. after you already had your car tuned. My a/f is 13.1:1 at WOT from 3500 rpms to redline. My car was tuned with an Autologic chip on a dyno. If I add the C&L Plenum and 75mm, is my a/f going to change and then will I need to get my car...
  2. 2

    My final review of my 4.10's!

    So traction is no worse with 4.10's? How could that be? Is it your Nittos? Loss of traction is my biggest fear. I only have 3.27's now and I can't even punch my car from a roll in 1st without losing all traction. I now my Kumho's don't help, but they are 275's on a 9" rim and I only run...
  3. 2

    C&L Plenum, Accufab TB, K&N drop in +20HP +24 TQ

    The point of tuning the a/f ratio to specific point, say 13:1, is so the computer always strives to met that point. I don't understand why you needed to retune the car after the bolt on plenum. I think that given enough drive cycles over time, the car would have eventually worked the a/f...
  4. 2

    Plenum testing protocol ???s

    Off topic CottonBurnerz - you should be there, I am at 250 SAE with my mods. and I don't have longtubes. There are many different combos. to achieve 250 rwhp. But, 250-260 SAE seems to be about the max with just bolt-ons.
  5. 2

    Plenum testing protocol ???s

    Excellent! Thanks in advance for doing this. When do expect to finished with the test?