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  #16  
Old 11-13-2006, 06:08 PM
maxwedge maxwedge is offline
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Re: Camshaft type?

Castrol, Valvoline, they make specific racing oils, synthetic is ok after break in. Shell Rotella Diesel 15-40 is also rated API SL, and has a good anti- wear package as I said.
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Old 12-12-2006, 12:06 PM
capriceowns capriceowns is offline
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Re: Camshaft type?

Sorry to bring this up again, but i got a question about anti wear packages.

I was looking around Amsoil site and found a synthetic 20w-50 racing oil. As a990 said racing oils still have additives.

amsoil said they have anti wear in this oil, and mentioned cams. and they said it has these packacges

  • API SL/CF, CI-4 Plus
  • API SJ, SH, SG...
  • MIL-PRF-2104G
  • JASO MA (Motorcycle)
are any of these what I need? I need CI-4 right?
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  #18  
Old 12-12-2006, 12:33 PM
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Re: Camshaft type?

CI-4 is a diesel engine rating. You will find this on the newer diesel oils such as Rotella-T, Delo etc.
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Old 12-12-2006, 12:38 PM
capriceowns capriceowns is offline
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Re: Camshaft type?

Quote:
Originally Posted by silicon212
CI-4 is a diesel engine rating. You will find this on the newer diesel oils such as Rotella-T, Delo etc.
So this means that the amsoil i looked at has the additive i need?
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Old 12-12-2006, 01:02 PM
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Re: Camshaft type?

Sure.

I am now running Shell Rotella-T in my car. It's cheaper than the Castrol it replaced and it has the proper antiwear additives.
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  #21  
Old 12-28-2006, 08:12 PM
capriceowns capriceowns is offline
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Re: Camshaft type?

Quote:
Originally Posted by silicon212
Sure.

I am now running Shell Rotella-T in my car. It's cheaper than the Castrol it replaced and it has the proper antiwear additives.
would running 15w-40 in a newly rebuilt engine cause any damage to it?
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  #22  
Old 12-28-2006, 08:27 PM
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Re: Camshaft type?

Quote:
Originally Posted by capriceowns
would running 15w-40 in a newly rebuilt engine cause any damage to it?
No, it shouldn't hurt it at all.

Keep in mind that my engine has 271,000 miles on it now ...

When I built it in 1993, I broke it in on straight 30 oil for 2,000 miles, then went 20w50, Castrol or Valvoline (mostly Castrol) from that point up to around Thanksgiving when I filled it with 15w40 Rotella.
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