Slow mivec
Slow mivec
Tephra originally brought this up in his knock thread and I finally got around to logging my car. My actual mivec settings and target mivec settings are never the same. I'm running mobil 1 0-40w oil. Any thoughts? Has anyone else noticed this?
I havn't looked at your log - but:
intake mivec seems to be ok, i mean it might deviate from map target by 1* or so, but thats pretty minimal..
exhaust mivec is a different story, it will never reach the target at high loads, it seem to almost get there at higher rpm's but not really..
this isn't soo bad, its the spool that really kills it - you really need to taper quickly in the 140-180load so that the exhaust mivec cam has a chance at 240load...
who knows the technical reason - oil pumping pressure/exhaust pressure pushing cam/something else...
intake mivec seems to be ok, i mean it might deviate from map target by 1* or so, but thats pretty minimal..
exhaust mivec is a different story, it will never reach the target at high loads, it seem to almost get there at higher rpm's but not really..
this isn't soo bad, its the spool that really kills it - you really need to taper quickly in the 140-180load so that the exhaust mivec cam has a chance at 240load...
who knows the technical reason - oil pumping pressure/exhaust pressure pushing cam/something else...
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Sheasta
For Sale/WTB - Engine / Drivetrain / Power
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Sep 27, 2015 07:52 PM




