Oil change
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Car: 87 IROC Z
Engine: 5.7
Transmission: 700R4
Axle/Gears: 3.27
Re: Oil change
You're going to get a dozen responses with a dozen opinions on this question. Here is mine: The 3000 mile recommendation is not from GM. I believe Jiffy Lube started that marketing campaign to sell more oil. Then everyone jumped on the band wagon. That said, if you have only put 1200 miles on it in a year, change the oil. I believe the owners manual recommends changes at 7500 miles of regular driving. If you push it a little harder, use the 5000 mile rule. But you should change it every year if you drive less.
Steve
Steve
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