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Engine oil Printed From: CorrectCraftFan.com Category: Repairs and Maintenance Forum Name: Boat Maintenance Forum Discription: Discuss maintenance of your Correct Craft URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=899 Printed Date: September-27-2024 at 1:41pm Topic: Engine oil Posted By: Guests Subject: Engine oil Date Posted: October-11-2004 at 11:00am What weight/type engine oil do you prefer? Thanks for reading Replies: Posted By: AWhite70 Date Posted: October-11-2004 at 11:19am In my '79 Ski Nautique 351W I use Castrol GTX 10W-30, owners manual recommends 10W-30 or straight 30W In my '02 Ski Nautique with the PCM Excalibur (350 Chevy) I use Castrol 15W-40 as recommended in the manual. 15W-40 is most commonly used as a heavy duty oil in diesel engines but it's rated for spark ignited engines as well. Posted By: SS 201 Date Posted: October-11-2004 at 11:33am 15-50 Mobil 1 Posted By: IrishFooter Date Posted: October-11-2004 at 4:49pm Castrol- as it contains no parafin which will cause sludge. Weight and other ratings as determined by OEM. ------------- 1979 Ski Nautique Posted By: Tim D Date Posted: October-12-2004 at 5:24pm I use Havoline 5w-30. ------------- Tim D

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