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  1. Harshman

    LML lash after build

    Normally on an engine with aluminum heads I will go about .004 tighter cold. But .006 seems pretty tight. I don't know if anyone knows how much it changes on the Duramax?
  2. Harshman

    Wiring

    Trying to figure out where this connector goes. Connector is the same as the map sensor. Putting the engine back in and it's been apart way to long.
  3. Harshman

    H rod bearings

    Has anyone looked into these bearings? https://daidoenginebearings.com/
  4. Harshman

    Billet caps

    At what point do you think billet caps and or a stud girdle is needed? I am going to be machining a LML block for a customer. Going to be a hot street truck I believe. Proby don't need them but wondering what others think.
  5. Harshman

    Cheapo Amazon LED headlight bulbs

    I don't worry to much about the high beam bulbs. I put something similar to this on my trucks tied into the high beam circuit...
  6. Harshman

    K&D Service Transmission Lines

    Original as far as I know. Do you know what the thread size is?
  7. Harshman

    K&D Service Transmission Lines

    I am going to need this.
  8. Harshman

    2020 Oil Cooler Retrofit Kits (01-19)

    Got my kit today, thank you. Now I need to get the engine together.
  9. Harshman

    Engine Oil Cooler Kits

    I myself would prefer to make my own lines. I have the BMRS fittings, hose and crimp machine.
  10. Harshman

    2020 Oil Cooler Retrofit Kits (01-19)

    I will get with you tomorrow about getting one.
  11. Harshman

    BBC teardown and diagnosis

    I have a 79 Malibu that I have been working on for too many years. Going to be LS 900HP with an 8HP70 8 speed trans. Probably be another year before it comes together. Engine is almost finished. But the car needs a lot yet.
  12. Harshman

    BBC teardown and diagnosis

    Are you sure you don't have an ignition problem? Bad cap, wires crossed up. Those clean pistons look washed clean like the plug wasn't firing or at the wrong time.
  13. Harshman

    LBZ Fan Clutch

    I have this tool and works really well https://www.harborfreight.com/pneumatic-fan-clutch-wrench-set-58526.html?_br_psugg_q=fan+clutch+removal+tool
  14. Harshman

    Ever heard of Boostline rods before?

    Well that doesn't look heavy. I will look tomorrow and see what I have wrote down.
  15. Harshman

    Ever heard of Boostline rods before?

    The Callies rods are a good deal, but are heavy. I have used them at least twice and had to add heavy metal to the crank. Even the Callies cranks will need weight added. Looks like the Boostline rods are about the same weight as stock rods. So are Molnar rods. I will be using the Molnar rods...
  16. Harshman

    Engine Stand's and mounting options for a Duramax build

    I have machined and assembled a lot of short blocks for other shops. They always install the covers and oil pans themselves. So I bolt my stand to the back of the block. I will need to come up with another way soon as I will be doing some long blocks. I could do ass Tom says and take it off the...
  17. Harshman

    LBZ Block worth?

    I am interested. Depends on price and cost to ship.
  18. Harshman

    Increasing Rail Pressure to Control Idle Haze

    I drove mine for several thousand miles like that. Some of it pulling 12,000 lbs. Other than the smoke, smell and rough idle when hot it ran really well.
  19. Harshman

    It's HG time in the near future. Any recommendations on parts.

    I use the CMD lube instead of the ARP lube on everything I do.
  20. Harshman

    It's HG time in the near future. Any recommendations on parts.

    When you get the heads off check all the piston heights to make sure you didn't bend a rod from the hydro lock. Also sounds like you may have had coolant in the cylinders for long periods of time. Could have some rusty or etched cylinder walls.
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