RDF1's latest activity

  • RDF1
    RDF1 replied to the thread Better gas mileage and performance..
    I've been spending a good bit of time tinkering with this twin turbo 4.8 in a '98 C1500 I did for a guy. With Th400 and 3.42 gears on...
  • RDF1
    RDF1 replied to the thread 4l80 jumping back and forth 3/4.
    Email them to me at [email protected]
  • RDF1
    RDF1 replied to the thread High compression heads on a TBI 454.
    Your engine has 8.5CR now or will have 8.5Cr after all the mods?
  • RDF1
    RDF1 replied to the thread Electronic Fan Clutch Information.
    AH! I've been using dorman 902-310 solid state relays to PWM the 34" fans off the gmt800/gmt900 trucks but I'm using holley ECUs. PWM...
  • RDF1
    RDF1 replied to the thread Electronic Fan Clutch Information.
    What settings control the PWM output? And are you using EV Fan setting?
  • RDF1
    RDF1 replied to the thread New member. New tune. Blown engine..
    If its knocking its probably a rod bearing trying to get out. But share the log and tune.
  • RDF1
    RDF1 replied to the thread 4l80 jumping back and forth 3/4.
    Ive had a bad pressure manifold switch cause similar issues before is the only reason i mentioned those Pids or Channels to be selected...
  • RDF1
    RDF1 replied to the thread Stock lm7 turbo build.
    If the turbo setup is of proper selection, there is no comparison to anything else you have experienced. Don't go extravagant either...
  • RDF1
    RDF1 replied to the thread 4l80 jumping back and forth 3/4.
    Make sure to have Current Gear selected as well as TCC Slip and TCC status. Also have Transmission shifter position selected
  • RDF1
    RDF1 replied to the thread Stock lm7 turbo build.
    Ah!! i see now. Your talking about staying old school. Turbo is way funner hahaha
  • RDF1
    RDF1 replied to the thread Stock lm7 turbo build.
    Ive seen 300hp trucks not hook at the track from suspension issues haha
  • RDF1
    RDF1 replied to the thread 4l80 jumping back and forth 3/4.
    Do you have a datalog of this happening? Post datalog and tune. Is it commanding the shift to do this?
  • RDF1
    RDF1 replied to the thread Stock lm7 turbo build.
    You can easily do a 383 with the 5.3 no problem. Can even use stock 6.098" Gen 4 rods with a 4" crank with the right pistons. Are you...
  • RDF1
    RDF1 replied to the thread Stock lm7 turbo build.
    I use Huron speed kits on majority of the truck builds i do. They make good stuff!!
  • RDF1
    RDF1 replied to the thread Running a heavier oil.
    on the LS engines that have a slight lifter tick, i drain the oil and put 4 quarts of cheap Dex III ATF in and let it idle for a couple...
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