Means that if the IP sucks in enough air it can cause idle, off-idle problems in addition to hard or impossible starting. Actually, enough air in the system will cause problems across all RPM/load spectrum.
For break-in, if I were starting from scratch, I would start w/ non-synthetic oil as a little more insurance for speedy ring seating, esp. since it will be changed out soon. In your case, I would leave the semi-synthetic (not the same as synthetic oil) in it and not worry about that part. Most of the benefit of the break-it-in-hard method derives from just that-- creating higher pressures at the rings.
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1985 744 gle d24t
1985 745 gle d24t
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