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Oil.... again
#1
Hey folks,

I've been reading up on what type of oil I should put in my 351C when I'm going to change it. There are so many threads all over the net that I've tried to sum up what I've found.

Now my engine is old and I can only assume that it's never been rebuild or even cleaned. A lot of threads mention oil for breaking in an engine but obviously that's not my case. Other thread mention a high zinc content and that this engine requires mineral oil instead of synthetic. And also the viscosity should be 10w40 or 15w40, no more unless I go racing (coz Xw50 remains too thick?), which I do not.

So should I be looking for mineral 10w40 with high zinc?

Options:
http://www.valvoline.com/our-products/mo...racing-oil
http://www.valvoline.com/our-products/mo...-motor-oil
- Shell Rotella T
- AMSOIL seems to have something?


I haven't found any oils available in Europe...

Oh and last but not least: a 351C takes about 5,5 quarts? (whatever that is in metric...)

Any advice would be much appreciated!

Thanks,
Vincent.
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#2
I use Valvoline VR-1 10w30 NOT SYNTHETIC. I have to order it off amazon as the local places only carry the synthetic.

'73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

'73 F code convertible. Bright red. Needs total restore. (IE HOT MESS)

- Jason
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#3
I run the Rotella T 10/40

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
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#4
I use Lucas oil:

http://lucasoil.com/hotrods-classic-cars

Dealer in the Netherlands (In Nederland verkrijgbaar bij)

http://www.ajspeedshop.nl/c-1975518/luca...producten/
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#5
I now run Valvoline VR-1 10w30 in both cars. Previously I used Rotella and had an issue with a cam & lifters. I am unable to actually know if the Rotella was the issue, but the additional zinc additives surely cannot hurt either. My motor rebuilder only now suggests VR-1.
Thanks, Jay
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#6
Why run Rotella? Isn't that diesel oil?
  Reply
#7
When I was breaking in my engine, they put in a diesel oil. I changed to Lucas at the first oil change.


Sent from my iPhone using Tapatalk
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#8
(02-13-2017, 09:03 PM)Bentworker Wrote: Why run Rotella? Isn't that diesel oil?

Yes it is diesel oil. But it has all the good stuff our old engines need. And that's what my engine builder told me to run so that's what I run.

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
  Reply
#9
(02-13-2017, 10:38 PM)turtle5353 Wrote:
(02-13-2017, 09:03 PM)Bentworker Wrote: Why run Rotella? Isn't that diesel oil?

Yes it is diesel oil. But it has all the good stuff our old engines need. And that's what my engine builder told me to run so that's what I run.

Interesting, to me running diesel oil to get ZDDP is like taking NyQuill to get Tylenol.  Once I get to the point of having a running car again I am probably going to run conventional 10-40 oil of some sort with a ZDDP additive on top.  It really is a pain to have to work around all the oil requirements for a modern emission controlled engine to come up with an oil that is flat tappet friendly.
  Reply
#10
(02-13-2017, 02:47 PM)eddyw Wrote: I use Lucas oil:

http://lucasoil.com/hotrods-classic-cars

Dealer in the Netherlands (In Nederland verkrijgbaar bij)

http://www.ajspeedshop.nl/c-1975518/luca...producten/

Thanks for all your input guys! :-)

I think I'll order me some of this: http://www.ajspeedshop.nl/a-40945891/luc...erpakking/

Now recently I checked my compression and it was low to avarage. Should I stick with 10W40 or get 20W50?
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