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piston

  1. J

    TR2/3/3A Hastings Piston Ring End Gap Issue

    I'm current working on rebuilding my 3A engine, which was originally rebuilt 15 years ago and sat after only about 5-hours of run-time. The previous rebuild used a new 87mm County piston/liner kit with Grant rings. For this rebuild, I decided to use the same liners/pistons/rings due to there...
  2. J

    TR2/3/3A 83 to 87mm Piston Considerations

    When going from 83 to 87mm pistons, what modifications (if any) are required in parallel to ensure a good running engine? I would like to keep the intake manifold original and not chamfer or port the head, but am concerned this might be too restrictive for the increased capacity. I understand...
  3. 2billydavies

    TR2/3/3A need an educational lesson about piston rings

    hi everyone, me again! question for you: recently took out the pistons in my 58' tr3a. putting a new set in with everything. I was wondering about the oil rings on all 4 pistons. The pistons I took out all have multiple-piece oil rings. first layer was some sort of thin metal ring that went...
  4. 2billydavies

    TR2/3/3A removing con rod from crankshaft

    well, got two pistons off relatively easy. im shocked at how well this car ran considering the shape of the pistons taken out so far (see pic). question: is there a trick in removing the con rod from the crank? just cant seem to get the last two off. bolts and lock tabs came off...
  5. A

    TR2/3/3A Tr3 / 4 piston clearances

    Hello All, Ok so I am in the process of reassembling my tr3 engine with almost all new parts! With only 54K on the car I was astounded at the amount of wear i found! I have purchased the 87mm liner piston and ring set from one of the three big parts houses. Upon sitting down to check my ring...
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