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Oil change [message #282831] Wed, 22 July 2015 14:02 Go to next message
MikeT   United States
Messages: 225
Registered: November 2009
Location: Marine City, Michigan
Karma: 0
Senior Member
The recomendatioms for oil include Shell Rotella T 15W-40. I went to purchase today at Walmart but is says diesel oil. Is it ok to run diesel oil in our 455 or was I looking at that wrong product?

Also, the Wix filter. I removed a wix 51258 today but others recommend the wix 51049. Is there a difference in the wix filter?

Last. What ZDDP additive should I purchase and how much do I put in per oil change?

Thanks

Mike Thomas Marine City, MI 77 ex Palm Beach

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Re: Oil change [message #282863 is a reply to message #282831] Wed, 22 July 2015 17:48 Go to previous messageGo to next message
rjw   United States
Messages: 697
Registered: September 2005
Karma: 4
Senior Member
MikeT wrote on Wed, 22 July 2015 15:02
The recomendatioms for oil include Shell Rotella T 15W-40. I went to purchase today at Walmart but is says diesel oil. Is it ok to run diesel oil in our 455 or was I looking at that wrong product?

Also, the Wix filter. I removed a wix 51258 today but others recommend the wix 51049. Is there a difference in the wix filter?

Last. What ZDDP additive should I purchase and how much do I put in per oil change?

Thanks


Looks like no one else is going to answer this.

Mike,

I've been using the Shell Rotella 15W40 as long as I've had my coach. Yes it does say "Heavy Duty Diesel Engine Oil" on the label. The PO used Rotella according to my records for over 40,000 miles and I put over 50,000 miles (total of over 90,000) with Rotella. That engine was replaced at ~175,000 miles because I was concerned with excess coolant consumption and a clicking sound. The sound later discovered as being caused by a collapsed lifter. To replace the motor was the right decision based on other factors.

My current engine has a little over 30,000 and has always had Rotella "Heavy Duty Diesel Engine Oil". I'm going to keep running Rotella, with 4-5,000 miles between changes and regular oil analysis being done. Maybe I should switch to synthetic?

I have been using the WIX 51258 filters for a few years now. I don't know about the 51049 filter.

As far as ZDDP, I have a roller cam so that is no longer as much a concern for me.

Richard
76 Palm Beach
SE Michigan
www.PalmBeachGMC.com

Roller Cam 455, TBI+EBL, 3.42 FD, 4 Bag, Macerator, Lenzi (brakes, vacuum system, front end stuff), Manny Tranny, vacuum step, Tankless + OEM water heaters.

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Re: Oil change [message #282864 is a reply to message #282863] Wed, 22 July 2015 17:57 Go to previous messageGo to next message
Jim Galbavy is currently offline  Jim Galbavy   
Messages: 1443
Registered: August 2007
Karma: 7
Senior Member
Yours is a good choice. I have a flat tappet 455. I have been using Mobil-1
15w50 because of the ZDDP content for 7 years of the 13 years that I have had
this motor with no issues.

jim galbavy
'73 x-CL ANNIE
Lake Mary, FL

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Re: [GMCnet] Oil change [message #282866 is a reply to message #282831] Wed, 22 July 2015 18:03 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
Mike,

Shell Rotella T 15W-40 from Wal Mart is OK:

http://www.walmart.com/ip/Shell-Rotella-T-15W-40-Heavy-Duty-Diesel-Oil-1-gal./14958327

The Wix 51049 is taller and has a larger media surface area to catch contaminants.

Google ZDDP and find the cheapest 4-6 oz container you can find, ADD IT FOR PEACE OF MIND!

Regards,
Rob M.
The Pedantic Mechanic

-----Original Message-----
From: Thomas Mike

The recomendatioms for oil include Shell Rotella T 15W-40. I went to purchase today at Walmart but is says diesel oil. Is it ok to
run diesel oil in our 455 or was I looking at that wrong product?

Also, the Wix filter. I removed a wix 51258 today but others recommend the wix 51049. Is there a difference in the wix filter?

Last. What ZDDP additive should I purchase and how much do I put in per oil change?

Thanks
--
Mike


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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: Oil change [message #282891 is a reply to message #282831] Wed, 22 July 2015 21:09 Go to previous message
Ken Burton is currently offline  Ken Burton   United States
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
Senior Member
Go back to Walmart. You go the right oil.

My PO started using it when it was new new and I have followed his lead. I have over 100K on my engine and it uses 1 quart per 6000 miles.



Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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