camkos10101 Posted July 14, 2003 Report Share Posted July 14, 2003 is it alright to put 15w40 in a gasoline engine? i kno the w-body motors liek thier 5w30 but u guys kno ur stuff and i trust what u say Quote Link to comment Share on other sites More sharing options...
PJB Posted July 14, 2003 Report Share Posted July 14, 2003 Its ok to use but probably not necessary. Ive put 20W50 in a Ford Ranger before and it ran fine. I used the thicker oil only because it was burning oil. Quote Link to comment Share on other sites More sharing options...
SmokesGTP Posted July 14, 2003 Report Share Posted July 14, 2003 I wouldn't put it in a 3.4 but yeah you should be alright. Quote Link to comment Share on other sites More sharing options...
Brian P Posted July 14, 2003 Report Share Posted July 14, 2003 Id use 10W30 before that Quote Link to comment Share on other sites More sharing options...
rglguy Posted July 14, 2003 Report Share Posted July 14, 2003 are you hard on your engine? do you race alot? ? use it, it will be great, but if its justa daily driver and seldon get nasty with the engine, go with 5w30, i use the thickest oil posible in the summer as i am hard on it, but once fall and winter come along, DUMP and 5w goes in, or if i can afford it 0W30 just my opinion, credited to automotive mechanic co-op, highschool auto, 1 sem,ester auto teachers helper, some college and just learnign via reading every text book in school.......... Quote Link to comment Share on other sites More sharing options...
GnatGoSplat Posted July 14, 2003 Report Share Posted July 14, 2003 I'm with Brian. Use 10W30. If you expect the temps to dip near 0F or below, use 5W30. Quote Link to comment Share on other sites More sharing options...
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