Quote:
Originally Posted by winmutt
RIV port is only avail on 84 and up MW pumps.
To the OP, there is a bit in the FSM that SOME pumps are offset by 3 teeth due to a problem from the bosch factory.
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But, there is a Timing/Locking pin that fits some of the Older Pumps with the smaller Plug on the side of the Governor Housing.
I have not read instructions on how to use it but I bet it is the same 15 degrees ATDC after the Compression stroke just like the later models. That is the same timing degrees that the RIV,AB light references to.
If he happend to have one of the IPs that needed the 3 tooth offset it would still flow time at the normal range of degrees.