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#47865 - 10/08/03 11:42 PM Re: The best synthetic motor oil
yellow68 Offline


Registered: 10/08/03
Posts: 19
Loc: Georgia
quote:
Originally posted by rpn453:
quote:
Originally posted by crashz:
quote:
Originally posted by hk33ka1:
Who makes the best tasting food?

Pizza.

"Who makes the best syn?"

Mobil 1.


But who makes the best tasting pizza?

Mobil 1 makes good oil. You'll have no problems because of its use. But for break-in I'd go with some inexpensive dino for another short change interval or two (maybe 1000 miles per).

How long do you think it will take to break my motor in? I was thinking 1000 miles until I can drive it hard.

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#47866 - 10/08/03 11:47 PM Re: The best synthetic motor oil
Al Offline


Registered: 06/08/02
Posts: 13581
Loc: Elizabethtown, Pa
O.K. - now we have some information. What does that engine call for? In Georgia you probably should go with a 40 wt. If you are going to run it to the ultimate limit-Redline would be a good choice. Anything less then certainly Delvac 1 5W-40 would be great. Amsoil boys can help you here. If you are going to stick with Mobil 1 I would go with a 30% to 50% ratio of 15W-50/10W-30.

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#47867 - 10/08/03 11:51 PM Re: The best synthetic motor oil
Patman Offline



Registered: 05/27/02
Posts: 19287
Loc: Oakville, Ontario
Now that we know what engine this oil will be going into, I think it's safer to make recommendations.

For something like this, which is obviously not going to be winter driven, a 10w40 synthetic is probably the best choice.

A 10w30 might be just a little too thin for this engine, especially if it's going to be driven hard from time to time.

I think 10w40 Amsoil or 10w40 Redline would fit the bill here.

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#47868 - 10/09/03 12:56 AM Re: The best synthetic motor oil
crashz Offline


Registered: 07/31/03
Posts: 656
Loc: Massachusetts
quote:
Originally posted by rpn453:
[/qb]

But who makes the best tasting pizza?
[/QB][/QUOTE]


A little place in my hometown. Its closed now, so I'm still searching!

Well 68, sounds like an awesome ride. I would follow Patman's recomendation of the 10w-40 in the Redline or Amsoil. Both are superior oils under extreme conditons (ie racing). M1 is close, but its said that M1 (or Amsoil) is best for the street, but Redline is best for the track. Since this isn't your daily driver, I would go with the Redline.

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#47869 - 10/09/03 12:58 AM Re: The best synthetic motor oil
yellow68 Offline


Registered: 10/08/03
Posts: 19
Loc: Georgia
quote:
Originally posted by Al:
O.K. - now we have some information. What does that engine call for? In Georgia you probably should go with a 40 wt. If you are going to run it to the ultimate limit-Redline would be a good choice. Anything less then certainly Delvac 1 5W-40 would be great. Amsoil boys can help you here. If you are going to stick with Mobil 1 I would go with a 30% to 50% ratio of 15W-50/10W-30.

How long should I run my new motor until I mash down on it hard? 1000 miles

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#47870 - 10/09/03 01:01 AM Re: The best synthetic motor oil
Patman Offline



Registered: 05/27/02
Posts: 19287
Loc: Oakville, Ontario
Check with the engine builder to get his recommendations, but if it were me, honestly I would only wait long enough to get the oil temperature up on it's maiden voyage, then I'd be driving it full throttle right away. I drove my 98 Formula that way on the very first day I took delivery of it, and one week later made 16 quarter mile passes, and it ended up being one of the most reliable LS1 engines out there (no piston slap, no oil consumption in the 2.5 years I owned it)

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#47871 - 10/09/03 01:17 AM Re: The best synthetic motor oil
yellow68 Offline


Registered: 10/08/03
Posts: 19
Loc: Georgia
quote:
Originally posted by yellow68:
quote:
Originally posted by Al:
O.K. - now we have some information. What does that engine call for? In Georgia you probably should go with a 40 wt. If you are going to run it to the ultimate limit-Redline would be a good choice. Anything less then certainly Delvac 1 5W-40 would be great. Amsoil boys can help you here. If you are going to stick with Mobil 1 I would go with a 30% to 50% ratio of 15W-50/10W-30.

How long should I run my new motor until I mash down on it hard? 1000 miles
Why mix the oil? Can't you just pick something in the middle? What is your line of thinking and how did you come to this conclusion?

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#47872 - 10/09/03 06:27 AM Re: The best synthetic motor oil
John in the ATL Offline


Registered: 07/01/03
Posts: 413
Loc: Marietta, GA
"Why mix the oil? Can't you just pick something in the middle? What is your line of thinking and how did you come to this conclusion?"


Because Mobil 1 does not make a 10w-40 oil. Mobil runs on the thin side of the their stated weights so their 15W-50 is more like a 40 weight oil. The Mobil 1 10w-30 (which is an excellent oil) is probaly too thin for your application of spirited driving. Mobil 1 is very similar in formulation through out their viscosity weights versus other synthetic oils.

By mixing the two as suggested before, you would have a thicker Mobil 1 oil for your application and you get easily get both weights at WalMart or AutoZoo versus the Amsoil or Redline through dealers (site sponsors) internet/mail order.

That being said, Amsoil or Redline would be my choice for such a special car.

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#47873 - 10/09/03 10:16 AM Re: The best synthetic motor oil
Kompressor Offline


Registered: 10/07/03
Posts: 94
Loc: Seattle
quote:
Originally posted by yellow68:
quote:
Originally posted by Al:

How long should I run my new motor until I mash down on it hard? 1000 miles [/QB]
I'd break in the cam, change the oil, look inside the filter, then run it as hard as you like. My 2 cents

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#47874 - 10/09/03 10:51 AM Re: The best synthetic motor oil
Christopher R. Wise Offline


Registered: 08/22/03
Posts: 161
Loc: Bellingham, WA
quote:
Originally posted by yellow68:
quote:
Originally posted by Al:
O.K. - now we have some information. What does that engine call for? In Georgia you probably should go with a 40 wt. If you are going to run it to the ultimate limit-Redline would be a good choice. Anything less then certainly Delvac 1 5W-40 would be great. Amsoil boys can help you here. If you are going to stick with Mobil 1 I would go with a 30% to 50% ratio of 15W-50/10W-30.

How long should I run my new motor until I mash down on it hard? 1000 miles
That depends, how are you going to drive it??

If you are goinh to drive it hard , break it in hard.

If you are going to baby it , break it in slow.

All my motors that I have built get the cams broke in, engine adjusted, back it out the garage and head down the street at full throtle, go straight to redline.

Rings seat very nicely.

As far as the oil I would recommend Redline.

CRW

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#47875 - 10/09/03 03:05 PM Re: The best synthetic motor oil
sbc350gearhead Offline


Registered: 06/26/03
Posts: 2556
Loc: Columbus Ohio
How are you able to drive a 9-10000 rpm (260-270@.050?)smallblock ford on the street? Why would you cam it that high and not take advantage of it?

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#47876 - 10/09/03 05:03 PM Re: The best synthetic motor oil
yellow68 Offline


Registered: 10/08/03
Posts: 19
Loc: Georgia
quote:
Originally posted by sbc350gearhead:
How are you able to drive a 9-10000 rpm (260-270@.050?)smallblock ford on the street? Why would you cam it that high and not take advantage of it?

Good question it is hard. I have almost 500 miles on the motor but I wanted to break it in properly because it cost too much not to. It is amazing. I running a toploader 4-speed with a 3:25 gear and the rpms still tach up so fast. I would not want any lower gear because it spins so easy now in first and second gear. Do you think that the synthetic oil will make the engine leak? Everything is new, but the seals and design are old school. They don't compare to the newer 4.6L seals and design.

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#47877 - 10/09/03 05:35 PM Re: The best synthetic motor oil
yellow68 Offline


Registered: 10/08/03
Posts: 19
Loc: Georgia
quote:
Originally posted by Kompressor:
quote:
Originally posted by yellow68:
quote:
Originally posted by Al:

How long should I run my new motor until I mash down on it hard? 1000 miles

I'd break in the cam, change the oil, look inside the filter, then run it as hard as you like. My 2 cents [/QB]
Luckily I have a roller cam and they don't require breaking in so you think let it rip?

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#47878 - 10/10/03 12:24 AM Re: The best synthetic motor oil
jason07-1zzfe Offline


Registered: 06/10/02
Posts: 2095
Loc: IL
Yeah I'd let it rip [Burnout] But I didn't pay for it either [Wink]
But I would change the oil now and still use dino for a little while longer.
Then I would probably use Red Line, but Neo and VP Racing looks interesting too. I think Terry was testing VP. Looked good so far.

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#47879 - 10/10/03 01:05 AM Re: The best synthetic motor oil
Kompressor Offline


Registered: 10/07/03
Posts: 94
Loc: Seattle
[/QUOTE]I'd break in the cam, change the oil, look inside the filter, then run it as hard as you like. My 2 cents [/QB][/QUOTE]Luckily I have a roller cam and they don't require breaking in so you think let it rip? [/QB][/QUOTE]

Once your confident it's tuned properly, I'd run it how your gonna run it. What advice did your engine builder give you on oil and break-in precedure? I've always used Kendall 40 wt in drag cars and hotboats, this is probably behind the times, although it will thin less than a dino multi (even 20w50 from my experience) for extended high rpm applications. If it were me I would try 15w40 full synth. from one of the top quality makers such as Mobil 1, Redline, Amsoil or Royal Purple. You'd do well (IMO) to try different viscosities from 10w40 to 20w50 and let the oil pressure tell you what the engine likes best. I'm a newby here, so take my oil advice accordingly.

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