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lake fetish
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Posted: Mar. 29 2010,8:51 am |
Post # 1 |
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Hi all this is my first post i have a 2005 21ft omega open bow with a 350 mag merc in it and im getting ready to change the oil and i am curious to see what wieght and type of oil you guys use i am currently running merc oil 25-50 wieght and was looking if any one was using anything better.
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GoFastRacer
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Big River, Ca
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Posted: Mar. 30 2010,5:31 am |
Post # 2 |
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Welcome to Doug's place!... This is a subject that has been beaten into the ground a 100 time across the internet, and at the end it usually ends up every oil is junk and every oil is the best!.  It's all a matter of preference, if you been having good success with the Merc then I would just keep using it!. What you might do though is do a search and see who makes it and it's equivalent on the shelf, may be able to get it cheaper???.. 
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BigDog
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Phoenix, AZ
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'99 Searay 210 Sundeck
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Posted: Mar. 30 2010,8:20 pm |
Post # 9 |
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| Quote (WATERDOG @ Mar. 30 2010,7:37 am) | | I tired many brands, never had problems with any. I think keeping clean oil is key. |
I agree!!! Â Just to throw my 2 bits in. I have been using Valvoline 20-50.
Welcome to Doug's!! 
Edited by BigDog on Mar. 30 2010,8:20 pm
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GoFastRacer
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Posted: Mar. 31 2010,5:33 am |
Post # 10 |
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I used to go through bearings like crazy with Valvoline until I switched to Kendall (Green), when they quit making it I went to Castrol, now that it's being made again I switched back!. Daily drivers get off the shelf Castrol!.. 
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GoFastRacer
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Posted: April 01 2010,5:28 am |
Post # 14 |
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| Quote (AZKC @ Mar. 31 2010,8:14 pm) | I may try warming the engine up to thin the oil next. Â  |
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GoFastRacer
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Posted: April 01 2010,5:29 am |
Post # 15 |
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| Quote (DirtySquirty @ Mar. 31 2010,8:00 am) | | Quote (GoFastRacer @ Mar. 31 2010,5:33 am) | | I used to go through bearings like crazy with Valvoline until I switched to Kendall (Green), when they quit making it I went to Castrol, now that it's being made again I switched back!. Daily drivers get off the shelf Castrol!.. Â |
Castrol racing formula here......... |
I used it for quite a while, worked good!..
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DirtySquirty
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Posted: April 01 2010,6:44 am |
Post # 16 |
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| Quote (GoFastRacer @ April 01 2010,5:29 am) | | Quote (DirtySquirty @ Mar. 31 2010,8:00 am) | | Quote (GoFastRacer @ Mar. 31 2010,5:33 am) | | I used to go through bearings like crazy with Valvoline until I switched to Kendall (Green), when they quit making it I went to Castrol, now that it's being made again I switched back!. Daily drivers get off the shelf Castrol!.. Â |
Castrol racing formula here......... |
I used it for quite a while, worked good!.. |
I just need another boat to run that stuff in, now. 
"It seemed like a hell of an idea at the time".
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lake fetish
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Posted: April 02 2010,1:32 pm |
Post # 17 |
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Thanks for all of the replies i appreciate the info.I was considering using royal purple 20-50w has any one used it . Im looking for a better longevity and i only use my boat in havasu so i though this would be the place to ask Thanks
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Sleek-Jet
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The Cooler
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Big 'Ole Inner-tube
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Posted: April 02 2010,2:16 pm |
Post # 19 |
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| Quote (BigDog @ Mar. 30 2010,8:20 pm) | | Quote (WATERDOG @ Mar. 30 2010,7:37 am) | | I tired many brands, never had problems with any. I think keeping clean oil is key. |
I agree!!! Â Just to throw my 2 bits in. I have been using Valvoline 20-50.
Welcome to Doug's!! Â |
Many parts house brand oil is Valvoline...
I buy it at Car-Quest, but I noticed Parts Plus oil is Ashland Oil as well.
Edited by Sleek-Jet on April 02 2010,2:26 pm
A dog doesn't care if you're rich or poor, educated or illiterate, clever or dull. Give him your heart and he will give you his.
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GoFastRacer
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Posted: April 03 2010,5:38 am |
Post # 20 |
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| Quote (lake fetish @ April 02 2010,2:32 pm) | | Thanks for all of the replies i appreciate the info.I was considering using royal purple 20-50w has any one used it . Im looking for a better longevity and i only use my boat in havasu so i though this would be the place to ask Thanks |
Royal Purple is good but it's a racing oil and expensive, you don't need it!.. The key is to keep clean oil in it regardless of the brand, and if it sits all winter change it in the spring, oil breaks down over time, cheapest maintenance there is to keep an engine last is to keep clean fresh oil in it!..
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4-23-2024 Three Word Post.....The Next Generation.... (Rep.#18,898) from: GoFastRacer
I'm recomending Valvoline 
The oils in the pan you SOB so suck it out. 
Besides the sump is at the back and it would be better tilted. Double checked the hose length its 6 inches or so longer than the dipstick. The pump is kinda old it may be worn out but it seems to do pretty good with 3/8 hose but the 1/4 inch may be to much restriction. I may try warming the engine up to thin the oil next. 