Been running vr1 straight 50 since I bought the boat. 12qrts comes out to almost a100$ every time I change the oil. I heard rotella has a lot of zinc in it. I have a flat tappett cam so I need the high zinc content. Would I be alright running say 20w50 or somethin? Or is it worth the extra money for the vr1. Motor is a 455.


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Are you looking to start a 300 post thread on oil?

If you want my answer,  you will have to do the research to disqualify the information.

Rotella,  Delo and all other DOT oils are and have been going through the same changes as regular passenger  car motor oils. So what works now may not work later.

All that being said. I have run regular Kendall 20-50 with a little Camshield break in additive.  Makes it a $35 oil change.

The one caution is, know what the heck you are shooting for as far as ZDDP content.

You have to research the ZDDP levels in the oils used and add just enough zinc to fortify what you have.

You really do not want to exceed 1,600 ppm (.16%) total.

GT

What's your opinion on straight weight oil?


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Well,  honestly it puts you right back into a racing oil. I personally like straights in certain applications.  The thought is, you aren't going to be running a jet boat in the snow.

Straight weights don't have the polymers that are found in a multi. Less crap better oil.

Imho.

GT

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Thank you!!! I have been running Kendal  straight 40 since day one.


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If you catch a good sale at Pep Boys, you can buy Kendall for under $5 a quart.

I am an Amsoil dealer, soooo. Yeah.

GT

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   How often do you change your oil ?  I have read that the levels in Rotella has been reduced to meet requirements for smog equipment.  I also use VR1 and for the 30 dollar difference I think I will stay with it.  I change my oil between 4 and 5 times a season so it is around 150.00 that is 1 % of the cost to replace the motor.  At the end of the day it is just habit I'm sure there is other oil just as good if not better.  Two places I will not go cheap my oil and my beer!!!

😂 but we drink coorslight?!?!


"RTCP"

  Yes we do RTCP what I'm trying to say there will be NO Keystone in my cooler sir.

ha ha 🍻👍👍


"RTCP"

   How often do you change your oil ?  I have read that the levels in Rotella has been reduced to meet requirements for smog equipment.  I also use VR1 and for the 30 dollar difference I think I will stay with it.  I change my oil between 4 and 5 times a season so it is around 150.00 that is 1 % of the cost to replace the motor.  At the end of the day it is just habit I'm sure there is other oil just as good if not better.  Two places I will not go cheap my oil and my beer!!!

When I was milking the oil about 8 times the first summer. Now about 2-3. All depends on how much I run it.


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  If your happy with the VR1 for the extra 90 dollars a year I would stick with it.

Gotcha. Only issue I have is the oils gettin a little hot. I was told a multi weight oil helps bring temps down a bit


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I use to do prep on a 700hp ls and ran vr1 only a 6 quart oil pan and would loose oil pressure after the engine would get hot. Then started 5 quarts of the vr1 and 1 quart of lucus and motor loved it.

For those that use VR1 every April Autozone has a sale for $2 of a qt.

. Thanks for the heads up on that deal.


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Just stay out of the chino hills store. Their stock is mine.

. Will do sir


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I was looking at the Lucas the extreme duty marine...which the zinc % is .31...how much is too much? ha. Top fuel boat oil not 455 stocker oil?

too bad napa doesn't have bottle up racing oil  ...since they use Valvoline oil (Ashland owned).

Check out these links. I personally run Rotella 15-40 in my 455 with no issues.

http://pqiamerica.com/March2013PCMO/Marchsyntheticsallfinal.html
http://www.pqiamerica.com/March2013PCMO/HDEO%20SUMMARY.html