I have a new to me 2000 Malibu Wakesetter 2400 lb port injected ski boat with a 5.7 Indmar engine with 350 hours. Indmar (in 2000) recommended Pennzoil marine 15W-40, API SL/SJ/CI-4, CH-4, CG-4.
Preferring synthetic, I was considering running Rotella T-6 5W-40, CJ-4, CI-4 PLUS, CI-4, CH-4, CG-4/SM. This oil indicates it compares to conventional sae15w-40.
Is this a good choice for a ski boat? Is the 5-40 difference an issue or OK? The boat will never be used in temps below 60F. The T-6 isn't a "marine oil", but appears more advanced? Agree??
Preferring synthetic, I was considering running Rotella T-6 5W-40, CJ-4, CI-4 PLUS, CI-4, CH-4, CG-4/SM. This oil indicates it compares to conventional sae15w-40.
Is this a good choice for a ski boat? Is the 5-40 difference an issue or OK? The boat will never be used in temps below 60F. The T-6 isn't a "marine oil", but appears more advanced? Agree??
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