Valvoline 20w-50; 3.7k mi; GM 454 in RV 55k mi

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Jul 19, 2009
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Location
Ca-Wa-Japan
Miles on engine - 54,990 (US)

Brand - Valvoline 20W-50 Racing conventional

Vehicle - 1994 GM P30 Fleetwood Southwind Storm 28ft
454 TBI/4L80E trans

Miles on oil - 3720 miles (US) over 13 months

TBN 6.1 (starts 8.5 for Valvoline 20W-50)

Recent work done (myself) was coolant replaced, upper/lower hoses/by-pass hose, new aux fan, new ignition coil, new ignition switch, power steering fluid replacement


oil 3.PNG
 
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Interesting TBN reading. Did you add any oil during usage?

I agree that copper looks a bit high.
 
Originally Posted by Artem
Interesting TBN reading. Did you add any oil during usage?

I agree that copper looks a bit high.

Normal behavior in BBC 454's. It goes up and down over the miles. The oil cooler is huge in these RV's (same size as radiator).
 
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