10W30 vs. 10W40 The Ultimate Showdown for Unstoppable Engine Performance

Comments ; Will Thinner Oils Damage Your Engine? Engineering Explained · 4M views ; 10W30 vs. 10W40 Oil | What's the Difference Between 10W30 and ... Hello. I have a mildly built 350 in a 76 Monte Carlo. I put 10w30 in instead of 10w40. Will this hurt my engine? Definitely 10w30. As long as you are not enduro racing in the heat of the summer, 30 weight is fine. Whereas thick oil when cold provides less ... Choosing Motorcycle Oil: 10W30 vs 10W40 Motorcycle Oil Comparison Learn if it's safe to use 10W30 instead of 10W40 in your motorcycle ... Both 10W-30 and 10W-40 are multi-grade engine oils, which means they carry properties of different weight oils, depending on the conditions. Tech / General Engine - 10W30 vs 10w40 engine oil - Any of you fellows using 10W40 oil in your 395 ci as opposed to 10W30 as recommended in ... Difference between 10W40 and 10W30!! HUGE ... 10W30 vs. 10W40 Oil | What's the Difference Between 10W30 and 10W40 Oil | Partzilla.com. In general a small increase in viscosity (from 10w30 to 10w40) on a high mileage engine is a good idea. It will boost oil pressure so more oil ... The Owner's manual tells us to use 10W-30 oil, what would happen if one used 10-40? will this do any harm and why? 10w30 is a more all year oil for a very broad range of temperatures. It has more protection for lower temperatures than 10w40 at the cost of being not as good ...