i dont see why it would go into limp mode...the cam gears are fixed therefor i dont see how it would make any difference to timing..are you talking about a 1J or your 7M? With the 1JZ the crank angle sensor is actually on the crank so i doubt it would make any difference to that..even i the 7M i dont see it being a problem. Are you going to run the cams on a stock ECU or aftermarket..it could possibly be a problem with the stock ECU because of the bigger duration cams but if its aftermarket i dont see a problem..mine run fine! Motul turned out to be pretty good stuff...the highest number on the oil is how thin it goes when hot..so if you are worried about your oil thinning out you should get the lowest number possible..i would only run a thicker oil if i had a stupidly high oil consumption.
Cheers Ray
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