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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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#1 |
Zilvia Junkie
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ka compression #'s, what could it be?
So I did a compression test today on my 95 ka24de with "115k" miles to the best of my knowledge. The last 1,500 or so of which have been turboed at 7-8 psi tuned with an apexi afc neo and AEM uego wideband, stock fuel system, stock maf. My symtoms that lead me to the test were: 1. oil blowing out of the breather on my valve cover, only a breather because a catch can plumbed in any manor would cause severe exhaust smoke (the only symptom prior to a trip 3 hours away) 2. general oil leak/s all over motor, and burning oil. (took 5 quarts to drive 3 hours home) and 3. Loss of power, (no sht right).
My readings were (dry) 1:75 2:80 3:85 4:90 I then followed that up with a small amount of oil in each cylinder (wet) 1:80 2:90 3:100 4:120 I can't decide if its a head gasket, piston rings, valve seals, or combination of those. mainly due to the odd patterns that emerged. give a zilvia noob some love. |
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