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Correct run in procedure for 948cc

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catspajaumas Michael Falconer
Gig Harbor, WA, USA   USA
Just finishing up rebuilding my 1960 948cc now 33 thou over.
Would someone be kind enough to outline the correct running in
procedure for the 948?
Thanks Mike

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Perdido Avatar
Perdido Gold Member Rut Rutledge
Tuscaloosa, AL, USA   USA
Michael,
If you have a new cam, tappers, etc. you need to make sure it’s lubed properly and 2000 rpm for 20-30 minutes is pretty standard. If you have an issue that interrupts the run in, just make sure the total time is at least 20 min.
Rut

catspajaumas Michael Falconer
Gig Harbor, WA, USA   USA
Hello Rut
Thanks for info. Am originally from England and seem to recall there were specific running in procedures
for a new engine.30 mph for so many miles then 40 etc. Any ideas? or has this type of running in now gone?
Thanks Mike

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Perdido Avatar
Perdido Gold Member Rut Rutledge
Tuscaloosa, AL, USA   USA
Michael,
The run in I suggested is with the car in neutral so you can monitor everything.
Rut

westburn70 Eric Flack
Glasgow, Lanarkshire, UK   GBR
They used to recommend running in oil for the first 500 miles or so. It was a thin 20 or 30 grade oil. Then you drained oil and put 20/50 in.Yes 30 mph then 40 mph etc for first 100 then second hundred. On a new BE after 500 miles in UK it went back to dealer for a "free" service. Changed oil and filter and a general "grease up", brake, light check and tire pressure check. That was what it entailed .I think BE's straight from the factory might have been filled with running in oil.

rem959 Avatar
rem959 Paul Ross
Stalbridge, Dorset, UK   GBR
Hi Mike,
work looking at this Keith Calver link, I used this for the 998 I've just run in.


https://www.calverst.com/technical-info/running-in-new-engines/


Cheers Paul

catspajaumas Michael Falconer
Gig Harbor, WA, USA   USA
Thanks to all for input.

Paul, what a great article. Thanks for sending the link.

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