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Itasca55's avatar
Itasca55
Explorer
Jul 17, 2015

1992 454 7.4 liter oil

Changing oil
Read in book 10w-30 ce/sg was recommended but sea 30 could be used down to 40f Im thinking number 30 is better for hot summer driving and being class A things get pretty dam hot under there. My number 30 is sf api . Is my thinking wrong or right. Any info be great.

Itasca55

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