What oil do you use?

[mxer346]

Just wonder what kind of oil you guys use.

[ae13291]

currently using castrol act evo 10-40, i also have castrol racing 4t full syn 10-40 i want to try and mobil 1 racing 4t full syn 10-40 i want to try next oil change, and i use fram filters

[gray]

MOBIL ONE 20W50

[maxamillion]

I just bought some Kendall GT-1 high performance petroleum oil today im gonna give it a try. Max Power Engines recommends it also.

[Red02EX]

I used the Kendall 10-40. I liked it but, switched to Mobil 1 15-50 because I've always used Mobil 1 in everything I've owned including the mower, both riding and push.

[chevys&honda$]

napa brand 10-40, its only $1.50 a quart:)

[CJM]

Originally posted by gray
MOBIL ONE 20W50

I love this stuff :)

[Eviltanker]

Klotz MX4 15-50

[sprayedgt]

I use Mobil 1 10w40. Any gains by going to 20w50?

[bigredisb]

Originally posted by sprayedgt
I use Mobil 1 10w40. Any gains by going to 20w50?


I have been told the thicker oil in high heat conditions keeps the oil cooler with less breakdown of the oil for air cooled engines. I am switching both my ex's to 20w50 amsoil for the summer.

[honda400ex2003]

penzoil or mobile one 10w40 most of the time and sometimes if i buy it i get 20w50 racing stuff for summer. never really gets that hot here though. 20w50 is thicker and can take more heat compared to the rest. it takes more to break down as Bigred said. I only get it if I know i will be riding for a long time on a hot day. steve

[coryatver]

Shaeffer 20w-50

[omeeomy]

amsoil for four strokes with wet clutchs

[hypersnyper6947]

mobile 1 extended performance fully synthetic 15w50 as recomended by laz summers of Gt Thunder when he built my motor for zrpilot

Originally posted by hypersnyper6947
mobile 1 extended performance fully synthetic 15w50 as recomended by laz summers of Gt Thunder when he built my motor for zrpilot

Thats the gold bottle right? I use Mobile 1 synthetic 15w50 (red bottle,only 5 bucks at walmart).. havent tried the extended performance yet...
Its only a few bucks more. Still half the price of the motorcycle Mobil 1 20w 50.

NACS turned me over to the 15w 50...

[hypersnyper6947]

silver bottle gold cap and where it says 15w50 its red

[ginobili07]

I use the Valvoline ATV oil 10w-40

Originally posted by hypersnyper6947
silver bottle gold cap and where it says 15w50 its red

thats what I meant.. I use the red cap one, but Im going to try the gold one.

[killer400ex]

wow i cant believe that out of all the replies that no one uses royal purple like me, that stuff is hands down the best synthetic oil ever made

[BEAVER.989]

Originally posted by killer400ex
wow i cant believe that out of all the replies that no one uses royal purple like me, that stuff is hands down the best sinthetic oil ever made

I run Royal Purple in my truck and probably will in the quad too when it's time to change it.

[hypersnyper6947]

Originally posted by SuicideMFNdoors
thats what I meant.. I use the red cap one, but Im going to try the gold one.

Go for it its not that expensive and supposed to be pretty amazing

[bigredisb]

Originally posted by killer400ex
wow i cant believe that out of all the replies that no one uses royal purple like me, that stuff is hands down the best synthetic oil ever made

I cant buy the stuff off the shelf here anywhere. Its tough to get and I hate paying shipping on things like oil.

[davidw2155]

Originally posted by killer400ex
wow i cant believe that out of all the replies that no one uses royal purple like me, that stuff is hands down the best synthetic oil ever made

I'm going to switch to that once I finish my motor rebuild. I have heard a lot of good things about it.

[hypersnyper6947]

I have seen some tests on all the synthetics and royal purple actually did not do that well at all

[killer400ex]

oh really? then what is the "best" synthetic oil

[beags86]

mobil 1 15-50, just switched from valvoline atv 10-40. and although i can't confirm it it seams like it runs alot cooler now

(going to synthetic from conventonal- it would only make sense to me)

[hypersnyper6947]

Originally posted by killer400ex
oh really? then what is the "best" synthetic oil

Even though its not what i use, amsoil is supposed to be the best.

I use what i use b/c thats what zrpilot told be to use when i bought his engine, as suggested by Laz Summers at Gt thunder. Before that though i used the amsoil, good stuff

[Wheelie]

I've always ran Honda oil. I switched to HP-4 synthetic blend last year. Ran Honda oil my quad since it was new.

[elmer91]

i always use Rotella T. i run it in everything, my jeep, my quad, and most of my family runs it in what they own.

[monkeyballs]

Amsoil 10w40 all the way!

[mooseracerX]

Originally posted by monkeyballs
Amsoil 10w40 all the way!
X2