[T2] Type 4 low oil pressure

[accessys at smart.net]

what weight/type oil are you using

no pump rod should be removed

Bob


On Thu, 1 Jun 2017, Michael Howe wrote:

> Date: Thu, 1 Jun 2017 21:50:35 -0400
> From: Michael Howe <dedhammike at gmail.com>
> To: type2 <type2 at type2.com>
> Subject: [T2] Type 4 low oil pressure
> 
> Just rebuilt type 4 motor on existing case.  Built as 2 liter.  New crank,
> cam, pistons, cylinders, rods bearings etc.  Also changed oil relief valve
> spring and oil pump with Schadek 26mm pump.  Oil light coming on when hot
> and pressure drops to around 5psi or lower at idle.  Also oil temp is
> around 220F.
>
> Wondering if relief valve is not seating properly.  Inside of relief bore
> where piston seats, there seems to be a ledge around the outside less than
> .5mm wide.  Should that be there, or should that be totally flat inside?
> Considering the Audirac 5/8 ball check to see if that will fix it.
>
> Also, engine has been converted from mechanical pump to electric.  Should
> the pump rod be in place or not to try to increase oil pressure?.  Rod is
> currently out.
>
> Engine is a CB case with only the relief valve and no oil control valve
> between the lifter bores.
>
> Thank you
>
> Mike Howe
> dedhammike at gmail.com
> 207-974-6651
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