Isuzu Trooper Owners Club UK™

crusader · Posted: Tue Nov 18, 2014 21:18 Post subject: oil issues

After all the grief my 3.0L has given me, I inadvertently put in 5/30 semi-synthetic oil and was running like never before. rrevving freely, seemingly more power etc etc. I have now put fully synthetic back in as recommend, but really notice the difference again. Struggling to rev over 3k and a lttle sluggish. If the recommend oil is fully synthetic, why does mine seem to like the semi stuff better.
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Gribble · Posted: Tue Nov 18, 2014 21:56 Post subject:

Curious that the late 3.0 euro 3 I did the map on was on 15/40 mineral oil and it went real quick.
But he did a change to 5/30 fully synthetic and no change in performance .
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crusader · Posted: Thu Nov 20, 2014 18:02 Post subject:

Robbo has suggested that I tech 2 it to see what the control valve is up to. Gonna do that at the weekend, before and after I put some semi stuff back in. Just to see if ithe performance gets better again.
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On victory, you deserve beer, on defeat, you need it.