Re: POLL: which oil do you use ?
 

5w 30 the trick is to keep the temperature down

Re: POLL: which oil do you use ?
 

Just curious what engine you are running...oil temps and pressure....are you set-up to run that low of a viscosity..journals..oil pump...coolers? If you are running 11 qt oil pans and a high volume pump you may be ok with a Super premium Synthetic 5W-30 in a big marine engine.

Just curious. the lowest viscosity I have seen used is a
10W-40 Super Premium.

Illmor tested the Dodge Viper marine engines and found the 10W-30 for street was not sufficient to develop a proper film at constant nearredline use.. so they moved up to 15W-50 Mobil-1.

Re: POLL: which oil do you use ?
 

I run straight 30 weight dinosaur oil.
At up to 260 peak horsepower, my engines deserve no less.

That and the manufacturer recommended it before they went under.

Re: POLL: which oil do you use ?
 

Some very intensive tests show now that 5W-30 or 10W-30 synthetic oil such as Mobil-1 are equal or better than 30wt dino juice. If you have 260HP you probably have a 350 Chevy that could easilly take a 15W-40 or 15W-50 either of which is superior to 30wt.

Teague says if you use straight weight oils to use:

30wt for cool climates
40wt for moderate climates
50wt for hot climates.

If you go straight conventional he is correct in these suggestions. :D

Re: POLL: which oil do you use ?
 

Should I use multi-vis Hydro?

You are the freaking Pope of oil. :D

Re: POLL: which oil do you use ?
 

Truly..I think only multi-vis if synthetic.

Otherwise..

30wt 70*F
40Wt 80*f
50WT 90*F

Re: POLL: which oil do you use ?
 

I figured I was the "Pope of oil" when the white smoke started pouring out the back end of my boat... ;)

Re: POLL: which oil do you use ?
 

Did you buy a boat? What did you get?

Re: POLL: which oil do you use ?
 

I use Straight 50w and change approx 20 hours no problems yet!

Re: POLL: which oil do you use ?
 

I am on the waiting list for a new Skater... I figured all or nothing...