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  1. J

    2.25 vs.2.5 inch exhaust?

    hi has anyone ever done a true dyno comparison with aftermarket exhaust ( cat backs ) eg. mac, flowmaster, dynomax, 2.25 vs. 2.5 inch? how much of a difference is there?
  2. J

    Gear Drives?

    hi ok they sound nice but.. they heat up the oil, not good for over aproxx.7000rpm, and the worst thing is theres no give. Stick with the chain in my opinion. :notnice:
  3. J

    hey guys 88 SD eec question

    anyone????? plllleeeeaaaaaaaaassssssssseeeeeeeee!!!! :shrug: :shrug: :bang: :bang: :flag: :flag: :flag: :flag: :flag: :bang: :bang: :bang: :( :( :( :D
  4. J

    hey guys 88 SD eec question

    Hi Ijust purchased the 88 a couple of weeks ago, and as i mentioned in a prior thread I have a few dtc codes ( 21, 24, 81, 85, 41, 91.) I hooked up my snap on scanner and was only able to pull the codes without reading live parameters so my troubleshooting is starting to get a little anyoing...
  5. J

    Hi im new here and need some help with a sensor

    :D thanks Mike for the quick reply! Is there a way to do a code search using search option, everytime i try it gives me an error. thanks
  6. J

    Hi im new here and need some help with a sensor

    Hi I just bought a haynes manual and found out its crap!!! I have a few dtc's on my 88 but would like to start with the 21 coolant temp sensor out of range. would anyone have any parameters on this sensor hot/cold volts and ohms. any info will be greatly appriciated thanks :D
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