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Symptoms Of A Crack In The Block Vs. Gasket Leak?

Discussion in 'Intermediate CJ-5/6/7/8' started by Charles Brown, Jan 8, 2020.

  1. 58 willys

    58 willys Sponsor

    Thanks Petel best source of information
     
  2. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Really not, but thanks. I'm here to learn.

    Did you mean using the dwell meter for the tachometer function? Checking rpm, not actually dwell itself?
     
    58 willys likes this.
  3. Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    :D :cool:(y)
     
  4. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    x2.

    I've heard a tailpipe sniffer works too, to detect exhaust in the cooling system. Possibly a FLAPS loaner?
     
    58 willys likes this.
  5. 58 willys

    58 willys Sponsor


    Yes thats one of the best old ways I learned from my father to set a carb up still have that old dwell meter of his.
     
  6. timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Note if your oil volume increases, smell the dipstick. Gasoline can get into the crankcase both through the intake and from the backside of the fuel pump. If you smell gas, change the oil and hunt down the source of the leak.
     
    58 willys likes this.
  7. nickmil

    nickmil In mothballs.

    An old trick to check for water/coolant in the oil is to remove dipstick, leave oil on it, and heat it up with a flame lighter. If you see bubbles form then they snap and pop when getting hot then you have water or coolant in the oil. If it just tries to coke up then no water.
     
  8. nickmil

    nickmil In mothballs.

    Will detect exhaust (hydrocarbons) in the coolant but not oil. There is a kit that uses a special fluid that changes color in the presence of hydrocarbons that does the same thing.