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When to change eng & tran 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=3107 Printed Date: January-16-2025 at 8:06am Topic: When to change eng & tran oil? Posted By: Dank Subject: When to change eng & tran oil? Date Posted: February-27-2006 at 3:39pm Any arguments for changing the engine and transmission oil @ the end of the season when winterizing as opposed to the beginning of the season when un-winterizing? I got my boat last April and I'm doing it the latter way this time (since I didn't do it back in November). Just wondering if I should do it the other way around in the future. ------------- "I don't know what the world may need, but a http://correctcraftfan.com/diaries/details.asp?ID=886&sort=&pagenum=1&yrstart=1986&yrend=1990" rel="nofollow - V8 engine's a good start for me" Replies: Posted By: nuttyskier2002 Date Posted: February-28-2006 at 2:35am The biggest reason for changing oil at the season's end is corrosion protection. Your engine oil breaks down during usage from heat, pressure and being exposed to the blow-by gases from combustion. As oils break down, acids form and over time can eat away at your engine's parts forming pits in the metal. Changing the oil and then allowing the engine to run several minutes allows the fresh oil to rinse away any old un-drained oil and provide a protective layer of fresh new oil to fight corrosion. ------------- 95 Malibu Echelon w/Mercruiser 350 Magnum Skier Former boats: 88 Ski Centurion Tru Trac II 59 Chris Craft Capri (woody) Posted By: JEFF KOSTIS Date Posted: February-28-2006 at 7:06pm nuttyskier2002 wrote: The biggest reason for changing oil at the season's end is corrosion protection. Your engine oil breaks down during usage from heat, pressure and being exposed to the blow-by gases from combustion. As oils break down, acids form and over time can eat away at your engine's parts forming pits in the metal. Changing the oil and then allowing the engine to run several minutes allows the fresh oil to rinse away any old un-drained oil and provide a protective layer of fresh new oil to fight corrosion. I agree....               Jeff.... ------------- MUSTANG COUNTRY http://www.correctcraftfan.com/diaries/details.asp?ID=1074 - 1974 Mustang 17 http://www.correctcraftfan.com/diaries/details.asp?ID=1093 - 1976 Mustang 17 Posted By: surroundsound64 Date Posted: March-02-2006 at 10:00am Of course, it wouldn't hurt to change it both times! hehe. Just a little more expensive. ------------- 1981 Ski Nautique 2000 SAN Looking for a 2000-2006 SAN

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