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blowby

  1. Need New Pistons for a 250 6cyl. Any suggestions?

    Classic Tech
    So I have been running my 4.1 6cyl on oversized piston rings for a while, but recently have had some issues with blowby. I am going to go for new oversized pistons. Anyway, my problem is that I have no idea what size would be good. Should I go the smallest size next to what I've got in it...
  2. 5.0 blow by

    5.0L Tech
    Hey guys I recently bought a 1964 1/2 mustang coupe with a 1987 302 (E7TE). I have been getting blow by coming from the valve covers as well as lots of smoke from the tailpipe especially as the engine warms up. Before purchasing the car I performed a pressure test and I got 170 psi for all...
  3. cost for a piston re-ring?

    4.6L Tech
    im pretty sure one of my piston rings are leaking. im blowin smoke out the tailpipe (yes smoke not vapor) question 1) how do you perform a compression test? question 2) how much would it cost to rering the pistions? question 3) if i did it myself, how would i go about doing it? im not...
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