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Post Info TOPIC: Oil questions


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Oil questions


The 327 is needing it's first oil change. Still has the Lucas  break in high zinc oil in it, along with half a bottle of Comp break in additive. I took no chances on the cam break in, and it appears to have worked just fine.

I have a high volume oil pump, no bypass filter adapter, and will always run a no bypass extra large 6002 K&N filter.

Now I do have what I think is a mainseal or rear pan leak, which I'll have to investigate and stop at some point less it fouls the clutch. The car will be driven on nice days through the winter.

 

What oil would you run? Would you still be adding the Comp zinc additive?

 

All opinions welcome. I know this question can be very subjective.

Thanks, Mark

 

The break in combo,

33704560988_0ba42724ab_z.jpg

 



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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Mark, you are correct about the subjectivity of your oil question. I am positive that many others will chime it, but here is what my mechanic of 35 plus years recommended that I use in the custom built 396 Dart engine in my CS.  I have been using this for over 5 years and have had no issues whatsoever.

IMG_9784.JPG



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--Pritch--

'76 Cougar XR7 (original owner); '52 Mercury Monterey 2 dr HT (Future Project)

2013 Mustang

2010 Ford Ranger

'93 MX5

'64 Custom Sport Ragtop (Factory M20)



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I use this stuff , its not cheap but my flat tappet cam and lifters seems happy

 



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67 Parisienne Convertible 

67 Parisienne 2 Door Hardtop 



Canadian Poncho Superstar!

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Ok, so the consensus so far is something high zinc.

I do run Valvoline VR1 10/30 in the 67.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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AND Phosphorus

But dont go high phosphorus if you run a cat

(you should be safe)



-- Edited by SGS Welding on Saturday 16th of October 2021 04:34:17 PM

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67 Parisienne Convertible 

67 Parisienne 2 Door Hardtop 



Canadian Poncho Superstar!

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Lucas through amazon actually doesn't seem out of line pricewise,

Amazon.ca

lucas.JPG



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


Poncho Master!

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Ive been using this, with good results.

Joe Gibbs Driven Racing Oil 02006 HR-2 10W-30 Conventional Hot Rod Oil - 1 Quart Bottle



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pontiax- (canadian pontiac X frame)1964 Parisienne 2dr. hdtop lagoon aqua metallic (Q)

 



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Ive always used a good quality dyno oil with gm EOS.

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63 Parisienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC.
1963- Pontiac top selling car in Canada

Mahone Bay, NS Still not old enough to need an automatic



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How about this added to some good old regular Dino?

REV X ZDDP



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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I attended a good presentation at POCI Fort Worth in 2017 put on by Driven Oil. The idea of just pouring in some zinc additive isn't very scientific, it's best to have the appropriate amount formulated. I have been using Lucas Hot Rod & Classic oil.

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I have only used EOS for 20 years and know hundreds of old Chevy guys who use it as well, all with no cam issues. GM recommended it on flat tapper cams when this oil issue came up after zinc started fouling catalytic converters when they were mandated in the mid 70s.

There are plenty of theories on zinc and oil, pick one you like?

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63 Parisienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC.
1963- Pontiac top selling car in Canada

Mahone Bay, NS Still not old enough to need an automatic



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pontiax wrote:

Ive been using this, with good results.

Joe Gibbs Driven Racing Oil 02006 HR-2 10W-30 Conventional Hot Rod Oil - 1 Quart Bottle


 X 2.  This is what my 396 builder for the Grande told me to use and suggested the 15 W 50 Driven.  I am using a 10 W 30 Driven in my 78 Square 350 with a Lunati flat tappet, so far so good.



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Ok, here is a question and no intention to hijack the thread.

But, we know that oil has had zinc removed from the formula over the years and now there is hot rod oil with zinc, EOS, zinc additives galore, etc for your old flat tappet hot rod engine.

But, can anyone tell me why all these old grain trucks / farm trucks with flat tappet cams in 366's, 427', 350's etc and other brands (Ford etc) still run on zincless oil of today and not fail the cam?

For example, my brother has a 76 C65 with a 366 and uses regular 10 W 30 oil and I can assure you he doesn't even know what EOS is and yet the flat tappet cam doesn't fail, years and years after zinc no longer exists in regular conventional oil?



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Canadian Poncho Superstar!

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Maybe the concern really should just be with new engine builds. I think older flat tappet motors have long since polished in and will run on anything.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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Interesting video, new vs old


https://youtu.be/-zHlxeu_yuM



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RE: Oil questions


most expensive oil, must be the best right ? confuse 

Early Canadian Tire Motomaster NUGOLD 1 imp. quart motor oil tin can FREE SHIP! | eBay



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Canadian Poncho Superstar!

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68 Grande wrote:

Ok, here is a question and no intention to hijack the thread.

But, we know that oil has had zinc removed from the formula over the years and now there is hot rod oil with zinc, EOS, zinc additives galore, etc for your old flat tappet hot rod engine.

But, can anyone tell me why all these old grain trucks / farm trucks with flat tappet cams in 366's, 427', 350's etc and other brands (Ford etc) still run on zincless oil of today and not fail the cam?

For example, my brother has a 76 C65 with a 366 and uses regular 10 W 30 oil and I can assure you he doesn't even know what EOS is and yet the flat tappet cam doesn't fail, years and years after zinc no longer exists in regular conventional oil?


How many miles do these old grain trucks / farm trucks get put on them each year?   I suspect very few, like under 1000.  I also suspect that's why they're not seeing camshaft failure.

I have seen cam's come out of flat tappet engines running modern oil where the lobe is non-existent.  The modern oil just couldn't handle the extreme pressure of the lifter / lobe contact.



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70 2+2 convertible
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72 GMC Sierra

 

 



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Maybe the old old cams didnt have the big lifts that the newer cams run? And I suspect they only run low kms as well like Clint said. Who knows, maybe the metal in the old low lift cams was also better quality.

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63 Parisienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC.
1963- Pontiac top selling car in Canada

Mahone Bay, NS Still not old enough to need an automatic



Canadian Poncho Superstar!

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I did the Lucas Hot Rod & Classic 10/30 with the K&N 6002 today,

Took it to my local fast lube. I'll always pay the $54 to have someone else deal with it. The guys thought it was pretty neat.

Needed 2/3 a liter of VR1 10/30 to top it up. The big filter takes up the extra volume.

 

Thanks for all the input guys.

oil.jpg

 



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 
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