> No lengthly break-in is required before switching over, put about 1000
> miles on it and get that nasty mineral oil out of that high HP engine and
> put Mobil 1 in.
EXACTLY what I did to mine. At 1,000 miles the engine had not used any of
the factory oil ao I changed to Mobile 1 and put a new filter on. Amazing
how black the factory oil was coming out of a new truck with only 1,000
miles on it. I wonder if the factory uses graphite pre assembly lube when
building the Magnums. That would explain the factory oil getting black so
soon.
Jim Miller
Waco, Tx.
98 RC SWB 5.2
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