[DeTomaso] Engine Break In - Oil Pump Prime

[Andy May]

The distributor is unlikely to go straight in because you have to acheive
alignment of 3 things at once; the oil pump hex drive; the gear mesh on the
distributor drive; and correct "offset" of the rotor arm when meshing the
gear to get correct positioning when the distributor is pushed home.

In practice, the meshing of the gear and appropriate offset is pretty
easily figured out to get the rotor arm where you want it, leaving just the
oil pump hex drive as a problem. This is easily solved by using the oil
pump prime tool to turn the hex drive a little at a time before dropping in
the dizzy. Usually, 2 or 3 tries and you're done.

As Will has already said, turning the motor achieves the same aim in a
slightly different way, but if the motor is in the car and you are working
alone, turning the motor to get alignment can be a pain if you dont have
the firewall cover out at the time.

Andy
On Feb 4, 2013 6:01 PM, "Will Kooiman" <will.kooiman at gmail.com> wrote:

> That makes sense.
>
> When I drop in the distributor, I don't get bent out of shape if it
> doesn't drop all the way down.  I push it down while rotating the rotor.
> And then, I manually rotate the engine at the balancer.  As it turns,
> everything will slowly align, and it will drop down. Works like a charm.
>
> If you try to push it down without turning the engine, it is a PITA.
>
> --
> Will
>
>
>
>
>
> On 2/4/13 12:33 PM, "sean mundy" <seanmundy at hotmail.com> wrote:
>
> >
> >It only took a couple of minutes to see oil in the heads, not 30min.
> >My oil pressure gauge was showing 30psi with just my drill set at low
> >speed spinning the pump.
> >I hate the distributor.  For some reason it just never drops in.
> >Last time I went through this it took me hours to get it in right with
> >the rotor pointing in the right spot.  ugh!
> >
> >
> >> Date: Mon, 4 Feb 2013 07:33:45 -0500
> >> Subject: Re: [DeTomaso] Engine Break In - Oil Pump Prime
> >> From: will.kooiman at gmail.com
> >> To: seanmundy at hotmail.com
> >> CC: chance.dorsey at yahoo.com; detomaso at poca.com
> >>
> >> Congratulations. It almost sounds like you had something lightly
> >>plugged.
> >> It is hard to believe it would take 30 minutes just to purge the air.
> >>
> >> But now that you have oil flowing, that's one more thing off the list.
> >>
> >> Make sure you get the distributor in the drive shaft when you reinstall
> >> the distributor. I rebuilt a 302 when I was in high school. The install
> >> was a gaggle of kids. I don't know who installed the distributor, but
> >> they didn't get it aligned. When the engine was started, I had zero
> >> pressure. Now I always crank it with no plugs while watching the oil
> >> pressure.
> >>
> >> --
> >> Will
> >>
> >>
> >>
> >>
> >>
> >> On 2/3/13 9:01 PM, "Sean" <seanmundy at hotmail.com> wrote:
> >>
> >> >Update. Hooked up the oil pressure gauge today and spun the drill CCW
> >>and
> >> >let it run for a couple of minutes. The pressure gauge was showing 30
> >> >the whole time and finally some oil started to appear in the heads.
> >>Seems
> >> >everything is working correctly and I'm one step closer to startup.
> >> >Thanks!!
> >> >
> >> >
> >> >On Feb 1, 2013, at 8:58 PM, Will Kooiman <will.kooiman at gmail.com>
> >>wrote:
> >> >
> >> >> I have also done this with a ratchet. It doesn't have to be a drill.
> >> >>
> >> >> If it has way more drag, it is pumping. Keep at it and the oil
> >>pressure
> >> >> gauge will move, then you should hear it blowing out the air in the
> >> >> lifers/pushrods, and finally you should see oil coming out the tops
> >>of
> >> >>the
> >> >> pushrods by the rockers.
> >> >>
> >> >> If you don't, something is wrong.
> >> >>
> >> >> --
> >> >> Will
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> On 2/1/13 11:48 PM, "Sean" <seanmundy at hotmail.com> wrote:
> >> >>
> >> >>> I guess I need to be patient and let the drill do the spinning. I
> >>will
> >> >>> try tomorrow and let you know. Thanks!!!
> >> >>>
> >> >>> Sent from my iPhone
> >> >>>
> >> >>> On Feb 1, 2013, at 8:32 PM, Chance Dorsey <chance.dorsey at yahoo.com>
> >> >>>wrote:
> >> >>>
> >> >>>> CCW is the correct way.
> >> >>>>
> >> >>>> I also rotated the crank two full turns (From TDC 1 to TDC 1)
> >>while I
> >> >>>> was running the drill.
> >> >>>>
> >> >>>> Thanks,
> >> >>>>
> >> >>>> Chance Dorsey
> >> >>>> Austin, TX
> >> >>>>
> >> >>>> On Feb 1, 2013, at 8:50 PM, sean mundy <seanmundy at hotmail.com>
> >>wrote:
> >> >>>>
> >> >>>>>
> >> >>>>> I've finally got my ZF and new engine back in my car and getting
> >> >>>>> closer to first startup.
> >> >>>>> After filling up with oil I am trying to spin the oil pump to
> >>prime
> >> >>>>> the engine but I'm not seeing results.
> >> >>>>> I have spun my drill in reverse and clockwise for over a minute
> >>each
> >> >>>>> way but no oil has yet emerged
> >> >>>>> from the rockers and into the top of the heads. The drill has way
> >> >>>>> more drag in the reverse direction but nothing
> >> >>>>> is happening. Do I got this right? Thanks, Sean
> >> >>>>>
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> >
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