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  1. 6.5L Diesel Engine
    I need some help, bought a 1994 K2500 Suburban from a guy with 221,000+ miles, very gutless, mostly wanted a project anyways but I digress, The TDC Offset is 0 degrees according to the GMTD basic Scan software. while running the engine at idle the other night, the actual injection timing is...
  2. 6.2L Diesel Engine
    I'm trying to optimise the timing on my 1988 6.2 J-code after replacement of IP and nozzles. But am a bit confused by the numbers shown om my Snap-On timing gauge. Probe installed on cylinder no 3. Showing ca 0 deg at idle, ca 10 deg ATDC at ca 1200 rpm. In my mind the ignition timing should...
  3. 6.5L Diesel Engine
    I just replaced ds4 injection pump but i cant time the pump im using snap on vires pro pump from quadstar tuning. New pmd resistor #7 new injectors new lift pump ne CPS rebuild turbo whit wikidwheel 2 Desired ip timing is 13 actual ip timing is 13 TDC offset -0.43 its almost impossible to...
  4. 6.5L Diesel Engine
    Has anyone done TDCO with the torque app? My app doesn't seem to be reading the tdco. Does it pick it up when the engine gets to temp? Ok, now that I sat down and thought about what I was asking I need to edit this. Bear with me this is all new to me. I cannot figure out how to read the IP...
  5. 6.5L Diesel Engine
    Hi Guys and Girls I changed my IP today due to the OS was out of spec. I was extremely causious putting the new IP on the exact same spot as the old IP. After getting rid of air in the system and some Wire issues, the truck runs [emoji16][emoji106] Readings with gmtdscan says: TDC OFFSET -1.41...
  6. 6.5L Diesel Engine
    Working on a 1995 Chevy 2500 with the 6.5L TD. Had a fault for the optical sensor. Removed the optical sensor and found where the wheel had been chipped. Ran fine but would derate in limp mode - no smoke. Replaced injection pump with rebuilt pump from Pinellas Diesel in Florida. Unable to get it...
  7. 6.5L Diesel Engine
    My 1994 k2500 6.5 td needed a new ip last July, it started up cold every time as soon as I hit the key. I got a new Hucksdorf diesel ds4 and had a mechanic install it who said he'd done several and it was no big deal. He had the truck for several weeks and when I got it I had to crank the motor...
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