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usaboats

08-15-2008 06:20 AM

700SCi GT-1™ High Performance Motor Oil

Hi I am in Europe and need to change oil on 700 SCi,
the recommended from Merc is GT-1™ High Performance Motor Oil 20W50.
1Q: is that a synthetic oil?
2Q: can that oil be substituted for any 20W50?

Knot 4 Me

08-15-2008 07:17 AM

Kendall GT-1 is a quality, conventional oil. It is not a synthetic. Other quality 20W50's would include Valvoline Racing 20W50, Castrol 20W50.

07DominatorSS

08-15-2008 07:25 AM

Quote:

Originally Posted by usaboats (Post 2654144)

Hi I am in Europe and need to change oil on 700 SCi,
the recommended from Merc is GT-1™ High Performance Motor Oil 20W50.
1Q: is that a synthetic oil?
2Q: can that oil be substituted for any 20W50?

You can substitute any 20w-50 with either any other 20w-50 or 15w-50. As long as the oil meets or exceed the specification recommended.

Hydrocruiser

08-15-2008 06:21 PM

Merc most likely wants a 20W-50 with high ZDDP such as Kendall GT-1 which is similiar to Valvoline VR-1.

GT-1 has the following specs..fyi..

a cst @40*C of 175

a cst @ 100*C of 18.5

VI 120

Phos/Zinc 1100 ppm/1100 ppm

TBN 7.8

FYI..these specs are near equal to Mobil-1 15W-50 should you decide to go with a synthetic.

usaboats

08-24-2008 05:11 AM

thanks to all

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