Picked up an 88 Buick LeSabre Limited with only 84,0000 on it. I've had my share of Buicks with the 3800 in them and I know that it calls for 10-30 to run in it, but with the oils of today; could a guy run 5-30 in it year around instead of switching from 10-30 to 5-30 in the winter?
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2 03 Corollas-5-30 QSUD and Wix filter
04 Rav4-5-30 Nexgen and Wix filter
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2 03 Corollas-5-30 QSUD and Wix filter
04 Rav4-5-30 Nexgen and Wix filter