my buddy came over and we changed oil in our cars. i told him to turn his engine on and see how much blowby he had. he was confused and started his car. the oil cap seemed heavier than my 300D cap, and it was almost dancing off the engine block. this is with the plastic cover on the engine, with the cap being lower and in a type of groove. i was very supprised at this and showed him my car. my 85 300D has 173k on it, and the cap would not move when i loosened it.

so my question is this, is blowby a universal phenomenon for diesels? he has been telling me how his jetta has been hard to start and very cranky on cold mornings. this would agree with the blowby test, as he should have lower compression. his 98 jetta has 160k on it.

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Grey '91 350SDL 214k Dad's car
Beige '81 240D 4 Speed 254k SOLD
Blue '82 300D 225k SOLD
White '95 E300D 46k SOLD
Blue '87 190D 2.5 Turbo 315k SOLD
Brown '80 240D 4 Speed 716k SOLD
Beige '80 300D N/A 119k SOLD
Blue '85 300D Model 186k T-Boned