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  1. Is it normal to never have kr? what is normal timing?

    PCM's & Tuning
    I have an ultra gauge which can detect knock retard but I have never seen any value besides 0. Also under normal driving my timing is -27deg, is this normal? Here is the info and list of mods on my car. My car is a 97 pontiac GTP, it has full exhaust with resonator delete, wrapped headers to...
  2. Kr*

    DTC's, Problems & Troubleshooting
    I know this is a worn out subject, but I still dont understand KR, why its caused, and how to get rid of it. My scanner dosent have a measurment for KR, so is there another way to know how much I have?
  3. Gear drive for 1989 3800 instead of timing chain

    Introductions for new members
    I have a 1989 Reatta with 38oo v6. Want to do straight_cut gears because of beautiful sound. Had them on 383 stroker in a Camaro, NEVER needed radio. Seems to me if we convert up: from 3800 to 5066 cc=3.8 to 5.0 liter = 225 c.i. to 300 c.i., assuming same V-angle, why would a conversion not be...
  4. Doing an engine build, got some questions!

    Hi guys! This is the first time I've ever town down and built up an engine, so I'm a noob. But trying to accomplish my goals, and learn as I go, and also have fun. I've started with a 2008 Series 3 n/a motor with little over 5000 miles on it. Pulled the top end completely off. I've put in a...
  5. E85 and the HEATON M90

    General Tech
    First, you must be able to obtain E85. With a growing number of stations nation wide this will become more popular as time goes on! E85 is 85% ethanol(yes the corn stuff) and 15% other additives! Most think that it is 15% gasoline but this is actually untrue. Though gasoline is the biggest...
  6. WTB. Timing Chain/gears

    In need of a good timing chain/gears. shoot me some offer's.