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Post Info TOPIC: summer oil for a 66 289 cu. in.


PETERBOROUGH, ONT

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summer oil for a 66 289 cu. in.
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I may have asked this before (I'll write the answer down this time) but what oil is best for summer driving?

I researched and discovered that Rotella T & Delvac 1300 have zinc in them and that's good for older engines (I think).

Does it matter if they sit in the cold all winter ? I'm changing the oil in Spring anyway.

At this point I think I'll switch from Castrol 10w30 or 40 to 15/40 Rotella T unless guidance here advises me not to.



-- Edited by Cuddles on Thursday 20th of January 2022 12:26:53 PM



-- Edited by Cuddles on Thursday 20th of January 2022 12:28:25 PM



-- Edited by Cuddles on Thursday 20th of January 2022 01:02:10 PM

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Been running the Rotella 15 / 40 for yrs in my 500 Caddy powered 40 Ford p/u with after market goodies. It was the only oil that would hold up it's viscosity in the 30 + summer heat!

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PETERBOROUGH, ONT

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Ah, excellent. It sounds like I am on the right track. Thank you 40Rat.

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MARKHAM, ONT

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X2 for Rotella 15-40.  I used to run Royal Purple but I don't think you get any value running high end synthetics in carbureted cars.  With Rotella you get the zinc protection and can afford to change it regularly.  If i were running some crazy lift cam with silly strong valve spings I may go with Brad Pen or Royal Purple but for a warmed over street engine I think Rotella is the ticket.



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PETERBOROUGH, ONT

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Thank you livetodrive. I am learning.

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BELLE EWART, ONT

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I put the Rotella T6 in everything, it also has the JASO MA/MA2 ratting so it is good for wet clutch motorcycles.
I found Walmart is the cheapest place to buy it.

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PETERBOROUGH, ONT

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Thank you hotrodron. It appears to be unanimous.

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S/W ONTARIO

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Hotrodron wrote:

I put the Rotella T6 in everything, it also has the JASO MA/MA2 ratting so it is good for wet clutch motorcycles.
I found Walmart is the cheapest place to buy it.


          Isn't the T6 a synthetic oil? I've always thought synthetic wasn't good for older engines. Now I'm confused more than I was.
          TSC



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MARKHAM, ONT

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I have a couple of bottles of Lucas zinc additive if anyone is close to Markham, I'm giving them away.

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PUGSY


PETERBOROUGH, ONT

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So pugsy, you are giving them away because you also use Rotella T and don't need them ?

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PETERBOROUGH, ONT

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I just got off the phone with my friend Bill , a mechanic, who assures me that Rotella T is not synthetic. And he uses it in his own vintage vehicles.

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S/W ONTARIO

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Cuddles wrote:

I just got off the phone with my friend Bill , a mechanic, who assures me that Rotella T is not synthetic. And he uses it in his own vintage vehicles.


         Rotella T6 is synthetic

         zoomed image



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MARKHAM, ONT

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Cuddles wrote:

So pugsy, you are giving them away because you also use Rotella T and don't need them ?


 

Nope, I use synthetic in my newer engine, roller cam. Don't need no zinc around here. Sold off the 327.

I was using Rotella when my cam lobes wiped out. No more hydraulic cams for me.



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PUGSY


PETERBOROUGH, ONT

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So now I wonder if there are different Rotella T oils because that one says it is a diesel oil ? Boy, things I once thought were so simple. Thank you Toomuchjunk and 123pugsy. I will really have to look at what is on the shelves next time I am at the store to sort this out.

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PRINCE EDWARD COUNTY, ONT

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You don't need Zinc additive except to break in a new cam/lifters. If you want the best Zink based oil, just use Brad Penn.
Warren

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PETERBOROUGH, ONT

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I figured you'd lend your wisdom as soon as you had the time. Thank you Warren.

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FOXBORO, ONT

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wuga wrote:

You don't need Zinc additive except to break in a new cam/lifters. If you want the best Zink based oil, just use Brad Penn.
Warren


 bingo, i have been using that for awhile now also, warren.



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