Stan,
on a four stroke engine the timing marks align only twice. pat
-----Original Message-----
From: Sexmnypwr@aol.com <Sexmnypwr@aol.com>
To: glasgow@serv.net <glasgow@serv.net>; datsun-roadsters@autox.team.net
<datsun-roadsters@autox.team.net>
Date: Sunday, July 25, 1999 11:41 AM
Subject: Re: I'm Retarded!!!!!!! my engine that is
> Great explanation Gordon!
> Daniel,
>
> This is a common thing whenever you pull the distributor or the oil pump.
>I didn't want to give advice as I've never pulled apart a Roadster motor,
but
>from Gordon's explanation, it's the same setup as L series engines, and I
do
>have a ton of experience on those. Having gone through this scenario
myself
>it sounds like it slipped a drive gear tooth. One of the major rules of
>thumb whenever pulling apart any motor is memorizing all details of how it
>existed before you disassemble it. In this case the direction/angle the
oil
>pump drive shaft slotted end as it mates to the distributor drive end.
When
>pulling the oil pump, I always mark the direction/angle onto the block
itself
>to remind me where it should be pointing when at TDC. Normally, swapping
the
>distributor is much easier (if you don't pull the oil pump) as the oil pump
>shaft stays set and the driveshaft keyways are offset, meaning the
>distributor can really only go back on one way.
> Also, I think I mentioned this to you before...make sure you have it set
at
>TDC on the COMPRESSION stroke. Both intake and exhaust valves should be
>closed. The lobes on the cam will be pointing upward or slighly sideways.
>The engine will have 4 times where the timing mark on the crank will be
>pointing at zero. If you've lined up the mark on the wrong stroke, nothing
>you do with the pump/distrib. will make a difference.
> Good luck!
>
> Stan Wada
>
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