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Forged motors: What oil do you run?

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Old 08-27-2006, 09:46 PM
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Default Forged motors: What oil do you run?
Lets see brand and viscosity.
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Old 08-27-2006, 10:00 PM
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20-50 Amsoil.
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Old 08-27-2006, 11:01 PM
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Originally Posted by LASTLS1
20-50 Amsoil.
Ditto, series 2000 race.
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Old 08-28-2006, 12:51 AM
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pensoil 20w-50.
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Old 08-28-2006, 12:57 AM
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I'm a lil uneducated in this, so just wondering why the need for such thick oil for a forged motor
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Old 08-28-2006, 05:51 AM
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Old 08-28-2006, 07:20 AM
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M1 0W-40 in all my motors.
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Old 08-28-2006, 07:47 AM
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Redline 10 - 40
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Old 08-28-2006, 11:40 PM
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Old 08-29-2006, 12:47 AM
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Originally Posted by PREDATOR-Z
M1 0W-40 in all my motors.

I'm using the Amsoil version...Euro Formula but recommended for Turbo applications.
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Old 08-29-2006, 09:53 AM
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Gc 0-30
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Old 08-29-2006, 12:06 PM
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Old 08-29-2006, 03:46 PM
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Royal Purple 10-40
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Old 08-29-2006, 04:06 PM
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Old 08-29-2006, 06:28 PM
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Royal Purple 10-40!
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Old 08-30-2006, 01:34 AM
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Originally Posted by rubin
I'm a lil uneducated in this, so just wondering why the need for such thick oil for a forged motor
Big motors run hot. hot motors thin oil. thin oil can cause problems. better safe then sorry.
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Old 08-30-2006, 08:54 AM
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Also alot of rebuilt motors run a little looser clearances on the bearings, thicker oil keeps the pressure up.

10W40 right now, switching to 20W50 after break in.
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Old 08-31-2006, 04:56 PM
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Originally Posted by TS6
Also alot of rebuilt motors run a little looser clearances on the bearings, thicker oil keeps the pressure up.

10W40 right now, switching to 20W50 after break in.
Yes sir. you are right about that
I have the factory Clearances
I use Napa Full Synthitic 5w30. Its made from valvoline and its $4.75 a Qrt.
What a deal
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Old 08-31-2006, 06:39 PM
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Mobil 1 15w-50 in my 402.
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Old 08-31-2006, 07:14 PM
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Wd-40
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