1975 Chevrolet Nova • 100,000 miles
Yeah hi i reacentily just bought a nova with a 454 chevy big block engine swamp and i was wondering what type of oil should i use? I'm not sure what year or vehicle the motor came from though. If you could help me out that wold be great.
A 454 is from an era when 10W-40 was typically used. Newer, smaller engines use thinner oils such as 10W-30, 10W-20, even 0W-20. The thinner oils pump easier so the engine doesn't have to work so hard to run the oil pump, and that is supposed to get better fuel mileage. The thinner oils run through the engine bearings faster so it's more critical to prevent the level from getting low. If you turn a corner and the oil runs to one side of the oil pan, if the level is low the pump will suck up air for a few seconds. Older engines with thick oil that hangs in the bearings longer can tolerate that. Many newer engines will be damaged in a few seconds.
June 18, 2013.
June 18, 2013.
Thank you very much this really helps i just don't wanna mess up my motor because i am on a low budget
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