Quote:
Originally Posted by AK1960
Thanks for your advice.
I read the Bosch check measure adjust manual.
But I could not understand.
Because the Porsche Workshop Manual instructs “Check air flow of individual cylinder at 1600-200rpm synchrometer” and Bosch Manual instructs “Start engine and run at 3000rpm”.
I do not know why the idle speed is different.
I want to know the supplementary explanation of the Porsche Workshop Manual.
Regards,
AK
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Hopefully one of the gurus will chime in, but here's what I'm guessing you are trying to do. You are trying to synch airflow, do you have a synch? If so check each stack with the synch while its good and warm and at idle. Then raise the rpms to 3000. You do this because you spend the most amount of time around this rpm when driving. Basically you get the stacks perfect at idle, then fine tune at 3000.