Thickest Oil?

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Nov 6, 2010

Kennykid2002

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Thickest Oil?

What's the thickest oil you've heard of/seen/used?

I heard thickest motor oil was 40w-70

Was bored, was doing some shopping, and saw royal purple had a 75w-140 LSD/Gear oil
and i just...

Thickest I've ever used was 10w-50 on a turbo MX5

Nov 6, 2010

xRiCeBoYx

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Re: Thickest Oil?

I run that 75w **** in my civic.

lol.. I think the thickest I've ever seen was 10w-40.. At least that I remember seeing.

Nov 6, 2010

Protan988

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Re: Thickest Oil?

usually thickest oil you can buy (for an engine) is 20w50. You can buy gear oil as thick as 75w140

Nov 6, 2010

civicbyrc

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Re: Thickest Oil?

The thickest that there is , is Lucas oil additive. That stuff is like sap.

Nov 14, 2010

Paul79UF

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Re: Thickest Oil?

I was using Mobil 1 red cap 15W-50 in my Yamaha R6 for the last few years before I sold it.

Nov 15, 2010

xPrincessRicexx

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Re: Thickest Oil?

85w 140 is the thickest I've ever seen, it was in a s2000

Nov 15, 2010

kyle_l88

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Re: Thickest Oil?

Is there some advantage to using thicker oil ? my civic normally uses 5w30 but i find in the summer it thins out too much in the heat so i get 10w30. Im guessing it has something to do with getting it up around all the parts in the engine?

Nov 15, 2010

gearbox

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Re: Thickest Oil?

tolerances are lower in these new engines. so you want to make sure the oil gets to where it needs to. 5w30 is fine in the winter and 10w30 in the summer. ive been fine with 5w30 year around tho and only had problems with 5w20 in summer.