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So, I redo my leak down test, 2th cylinder is pretty good but 4 have leak in exhaust valve(~50%). I rebuilded my turbo so let see if I lose less oil than before. If I dont lose too much like before, Ill live with it. Ill try to put 5w40 now, see if that help I have 2 choices, valve job or sell...

My leakdown test was false because probably not on the good TDC for the 2 and 4 cylinders. So I think my exhaust valves was open so that make false results. Ill redo the test when ill put back my turbo. But results for 1 and 3 was pretty good, only 1% of leak. But theorically, if compression...

Ill rebuild the turbo, ill let you know if its fixed

I did some mod when I started to burn a good amount of oil. I put a filter on oil cap to reduce oil pressure. I changed my PCV valve 1 year ago and put a banjo bolt restrictor on my turbo. Now the problem still and I burn a lot. When I changed my spark plug and did my compression test, I didnt...

I did the test twice on all cylinders and its the numbers I got with max 5 psi of difference. Maybe my compressor tester is offset? But anyway, the important thing is all the mesure are consistant I didnt do a leak down test, I dont have the tool to do it. And I cant use my compression tester...

Hi, Im burning maybe 1 liter per 1000-1500km with my speed 3 430hp. I was sure my motor need to be rebuild but when I did my compression test, all numbers are super consistant! But number are a bit high: Dry: 200,200,200,200 Wet: 220,220,220,215 I have some fresh oil in the intercooler so I...