I'm guessing we are talking about tractor motors. The sixes have a port on the
block below the distributor, in line with the main galley and above the
pressure valve from the oil pump discharge, that is filled in at the factory
with some soft metal. It can be drilled out and the port re-tapped - takes the
NPT end of an AN12 fitting. That gets plumbed straight to the accusump, so
when the 'sump discharges it pumps right back into the galley. I have a one
way valve on the supply or return from the oil cooler, so there's no way oil
can go back to the filter.
On Jul 25, 2011, at 2:31 PM, robert bownes wrote:
If you plumb it to an adapter and the filter has a one way valve, put it
after the adapter. Otherwise, you are going to need a one way valve to keep
it from backflushing the oil pump when you turn it on to prelube the engine
before startup. ISTR putting a one way valve in when I built mine, though
it was nearly 15 years ago...
On Mon, Jul 25, 2011 at 2:26 PM, KEVIN LYNCH <klynch_6@msn.com> wrote:
> Perhaps the group can settle this.
>
> If one wanted to plumb an accu-sump directly from ball valve to motor that
> has
> a 'with cooler' type of spin-on filter adaptor.
> a)Which port would be the one to plumb to or would it make any difference?
>
> b)Would you need to introduce a one-way valve to the mix?
>
> Just shooting for simplicity here & not the budget!
>
> thanks!
>
> Kevin
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