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compression test

  1. Engine
    so my 74 chevy pickup has been bogging down when it gets up to around 40 mph and sometimes it wont even go past 10 mph. did a compression test,(v8 engine) and on the dry tests, the pistons produced around 120-130 psi. Pistons 3 and 5 produced 105 and 110. From what i read, it could be a blown...
  2. Engine
    I have started by 1940 Desoto for what Im guessing in over 10 years. The oil looked fresh and had good even compression readings. Oiled the cylinders and spun a few times before the first start. Car is not overheating but I do notice blowby through the filler neck white smoke from the...
  3. Hotrodding Basics
    Hi All, I need to do a compression test on an LT1 engine that has been removed from the vehicle. Can it still be done following the same steps as for an engine that is still in a car? Presently, the engine is on a stand with all the accessories and harness still attached. Thanks in...
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