what kind of oil do YOU use in your jet boat????

[riverby5]

some swear by the synthetic stuff and some just plain in the regular stuff....
and face it some dont ever change it so they dont care but what kind of oil do you use....i use castrol 40w in my 454ho/390 marine power engine...

[sanger rat]

Valvoline racing straight 40wt.

[Riverat84]

Valvoline racing straight 40wt.
yea baby,,,,i use the same stuff only 20w50.....should i change to thicker? w/ my 460? or what?

[clownpuncher]

Torco Racing oil. Recommended by my builder. He says that's all he uses

[pattymelt18]

5w30 royal purple or torco

[hilljackian]

20w50 Valvoline full synthetic. Recomended by marinizer for use in ambient +20 degrees F in 350HP RamJet crate motor.

[moneysucker]

Valvoline Racing, 50 wt

[KROOZIN]

yeah I use that thick sheit too...... oh wait!!! I don't have a jet boat......Nevermind... :cry:

[rich seibert]

Valvoline is supposed to have the highest content of zinc or somthing in its formula, from what i remember from what i have read in the past,
back in the day i was chief oil changer on a top fuel hydro from NJ
triple digit racing
http://topfueldragboat.com/
you know if works on nitro , it has tobe good ,it only has to hold up 2-3 minutes of warm up
and 5 seconds of WOT
i am currently using royal purple

[9er]

Valvoline Racing, 50 wt
Yep, that stuff. No problems, same motor since '96.