[Healeys] Break in oil

[Michael Oritt]

​David--

Though I have never rebuilt my Healey's engine I have broken​ in several
race engines (MGA and Coventry Climax FWB SOHC) using the same oil I
planned to run with: Royal Purple Race Oil RP 40, and added a bottle of
zinc additive just to be sure.  Before start-up I made sure the timing was
where it should be, then poured oil over the rocker arm for the MGA engine
and over the camshaft of the Climax, tightened down the valve cover and
placed a cooling fan in front of the radiator so that in case engine temps
began to rise I could avoid having to shut down, then ran the engine for 20
minutes at about 2K rpm's.  That's it--then drain and change the oil and
filter, refill and you should be set!

Good luck--Michael Oritt




On Sun, Mar 4, 2018 at 5:48 PM, David Masucci <drmasucci at comcast.net> wrote:

> Hi all,
>
> Well I finally have my BJ8 engine almost ready to go back in the chassis.
> This rebuild includes minor mods including a Denis Welch DSW-8 cam and
> bucket followers (with pockets in the block) and high capacity oil pump.
> This cam is drilled to provide oil to each lobe. The engine was also
> balanced. Once broken in I plan to run 20W-50 Valvoline racing full
> synthetic with ZDDP, which I’ve run in my XJ6 since 2012 or so.
>
> Based on what’ve I’ve read, I should start and run the engine at 2000 RPM
> for 20 minutes or so. My question is what should I use for break in? There
> are so many types. Does anyone have a recommendation?
>
> Thanks as always.
>
> Dave
> 64 BJ8
> 72 XJ6
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