Quote:
Originally Posted by locry
For a turbo 603? Can anyone confirm the actual factory spec? Thanks.
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If you were looking through the Hole in the IP Governor Housing where the RIV or IP Timing/Locking tools are supposed to go it is 15 Degrees After Top Dead Center because that is where the little raise part inside is set at.
If there was a Drip Timing spec for your Engine it would be timed someplace Before Top Dead Center.