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blowby

  1. 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. 5.0L 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. 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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