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-   -   Don't hate me for asking 88 Prostar (http://www.mastercraft.com/teamtalk/showthread.php?t=51501)

Chrisoswald 10-26-2012 06:00 PM

Don't hate me for asking 88 Prostar
 
So i acquired a 88 prostar over the summer. Love it. Putting her away for the winter and have been reading about zinc in the oil for older motors. The PO mentioned to me that I should use an oil with an adequate amount of zinc for my boat. Can someone recommend a brand and weight that fits the bill?

TxsRiverRat 10-26-2012 06:06 PM

Quote:

Originally Posted by Chrisoswald (Post 887017)
So i acquired a 88 prostar over the summer. Love it. Putting her away for the winter and have been reading about zinc in the oil for older motors. The PO mentioned to me that I should use an oil with an adequate amount of zinc for my boat. Can someone recommend a brand and weight that fits the bill?

Rotella 10w40

AZDave 10-26-2012 06:14 PM

I am not sure Rotella still has a ZDDP additive. I have been using STP OIL Treatment with ZDDP

Spork 10-26-2012 06:15 PM

Valvoline vr1 20w50 1400 ppm

Anything north of 1000 ppm is adequate.

JMann 10-26-2012 06:19 PM

I use a standard oil of my choosing and put in a bottle of ZDDP additive. Or what ^^ said

mikeg205 10-26-2012 06:59 PM

Quote:

Originally Posted by [email protected] (Post 887022)
Valvoline vr1 20w50 1400 ppm

Anything north of 1000 ppm is adequate.

What he said ^^ plus I am pro-synthetic (oil discussion? bring it...lol...not really)

Synthetics hold up better in high temps - shear strength and flow. So Valvoline Synthetic VR1 20w50. With an older engine the water jacket ain't what it used to be...so the temps in the cylinders "may" getting a little hotter - so the synthetic will give you a bit more protection... if it's over kill on the spend...it's cheap insurance...plus it's a really cool blue color.

I would stay away from any motor honey like STP - even if it has ZDDP. I do put in Hyperlube...it was designed to be used in C&C machines for lubrication. Third party tests show it ain't snake oil... Thanks 03geetee for that find.

ok... I'm done pontificating...about oil.. ;)

Chrisoswald 10-26-2012 09:47 PM

So if the oil has zinc weight % of 0.121 does that mean 1200 ppm?

03geetee 10-26-2012 09:51 PM

Quote:

Originally Posted by mikeg205 (Post 887029)
What he said ^^ plus I am pro-synthetic (oil discussion? bring it...lol...not really)

Synthetics hold up better in high temps - shear strength and flow. So Valvoline Synthetic VR1 20w50. With an older engine the water jacket ain't what it used to be...so the temps in the cylinders "may" getting a little hotter - so the synthetic will give you a bit more protection... if it's over kill on the spend...it's cheap insurance...plus it's a really cool blue color.

I would stay away from any motor honey like STP - even if it has ZDDP. I do put in Hyperlube...it was designed to be used in C&C machines for lubrication. Third party tests show it ain't snake oil... Thanks 03geetee for that find.

ok... I'm done pontificating...about oil.. ;)

http://ecx.images-amazon.com/images/...500_AA300_.jpg

He speaks the troooooof! I use this with Rotella 15w/40 and my dinosaur still roars.

JTR

Spork 10-26-2012 11:44 PM

Quote:

Originally Posted by Chrisoswald (Post 887064)
So if the oil has zinc weight % of 0.121 does that mean 1200 ppm?

Short answer yes it does,

mikeg205 10-27-2012 10:11 AM

Quote:

Originally Posted by 03geetee (Post 887065)
http://ecx.images-amazon.com/images/...500_AA300_.jpg

He speaks the troooooof! I use this with Rotella 15w/40 and my dinosaur still roars.

JTR

Thread jack.... we should get a few bottles for the promotion of the product... ;)

now back to our thread...


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