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Going from 5w30 to 5w20 in a 2006 and a 2007 #5259877 11/06/19 11:41 AM
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Bullet Offline OP
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We have a 2006 Tacoma with 112k miles and a 2007 F J Cruiser with 150K miles. Both have the same 4.0 V6 engine. Sometimes one will sit a few months without use. Recently I started the Tacoma after sitting about 2 months or so and the engine made a lot of racket for several seconds until the oil pressure was up and there hasn't been any problems. In the past 6 years or so the engine has did it a few times after sitting a couple months or so, but not as severe as this last time. Recently the FJ Cruiser did this too. The noise was only the valve train, but the last time on both there was also rod knocking. Both currently have Valvoline full synthetic 5w30 oil, but mostly I've used Mobil synthetic 5w30.

Would a 5w20 be better (the engines have been back spec for the 5w20), if so, what about 0w20 say Castrol Edge with titanium or Mobil one?

In SE Louisiana the temps are rarely freezing and a few months are in the upper 90s.

thanks

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259885 11/06/19 11:54 AM
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aquariuscsm Online Content
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If it specs a W30 stuck with that.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Advanced Durability 10W30

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259886 11/06/19 11:56 AM
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JLTD Offline
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Better for the startup rattle? Not likely; both will be around the same thickness when cold (with an edge to the 20). Starting them more often than once every two months will help with that. If you really think that a thinner oil will help at startup, go with a 0w-30.


I use the overseas manual to choose my viscosity.

Using AMSOIL

Hers: 2008 Jeep Liberty 154k, SS 5w30/Amsoil

His: 2015 4Runner 60k, SS 5w20/Amsoil

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259889 11/06/19 12:03 PM
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SatinSilver Offline
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Try some Forumula Shell 5w30 at Home Depot or Menards. Currently on sale at Menards for less than $2/qt. thumbsup

It's known to be one of the quietest oils out there.

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259890 11/06/19 12:05 PM
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JeffKeryk Offline
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I doubt the 5w20 will be any different.
Perhaps drive your Toyotas more?


2018 Tesla Model 3, Medium Range Battery
2018 Lexus RX450h
2013 Lexus GS350 F Sport
2006 Acura TSX
2001 Tundra Access Cab, 1998 Accord LX, 1968 Corvette L36 Roadster, 1965 Olds 4-4-2
Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259892 11/06/19 12:13 PM
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demarpaint Offline
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That is to be expected, a 20 grade oil isn't going to help. If you're concerned get a "pre-luber aka: pre-oiler", it will pump oil through the engine before you turn the key to start it.


God Bless Our Troops

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: JLTD] #5259893 11/06/19 12:17 PM
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kschachn Online Content
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Originally Posted by JLTD
Better for the startup rattle? Not likely; both will be around the same thickness when cold (with an edge to the 20). Starting them more often than once every two months will help with that. If you really think that a thinner oil will help at startup, go with a 0w-30.

No 30-grade oil will ever be thinner than a 20-grade in New Orleans, regardless of the winter rating. Even if you're comparing between 30-grades the winter rating has no meaning there either.

Besides, to reduce "startup rattle" don't you want the highest MOFT possible?


1994 BMW 530i, 250K
1996 Honda Accord, 280K
1999 Toyota Sienna, 425K
2000 Toyota ECHO, 284K
Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259918 11/06/19 01:03 PM
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Bullet Offline OP
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Thanks for the replies. I’ll stick with 5w30 and just start ithe sitting vehicle weekly.

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259941 11/06/19 01:30 PM
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Chris142 Online Content
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Those 4.0 engines have a very long and expensive to replace timing chain. I would keep the 5w30 in them as I feel that it's a better choice for the chains than a 20.

I run 10w 30 in ours.


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
57 case tractor Chevron sae30
Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Chris142] #5259946 11/06/19 01:33 PM
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aquariuscsm Online Content
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Originally Posted by Chris142
Those 4.0 engines have a very long and expensive to replace timing chain. I would keep the 5w30 in them as I feel that it's a better choice for the chains than a 20.

I run 10w 30 in ours.



That’s exactly what I’d run in it too,a 10W30.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Advanced Durability 10W30

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259956 11/06/19 01:42 PM
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dadto2 Offline
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I remember the Car Talk guys advising to remove the spark plug wires and crank it for a bit to get the oil up to the valves in this sort of situation. The engine probably won't go as many revs on the starter motor in 15 seconds as it would once it fires up... Crank it for 15 secs, put the wires back, then start it.


'16 GMC Sierra 1500 Crew Cab 4.3
'15 Volvo S60 T5 AWD
'99 Volvo S70 2.4
Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259983 11/06/19 02:13 PM
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ka9mnx Offline
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ANY engine with ANY oil is going to make a racket at startup after sitting 2 months.


2005 Ranger 3.0 - SuperTech Syn 5w-30/Motorcraft
2000 4Runner 3.4 - SuperTech Syn 5w-30/Toyota
1997 B2500 Van 3.9 - M1 HM 10w-30/Mopar
1993 F150 4.9 - SuperTech Syn 5w-30/Motorcraft
Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5259985 11/06/19 02:16 PM
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Both vehicles need to be ran more often. Maybe consider selling one?


2017 Mazda CX5
Havoline Pro DS 0w20
Roki OEM filter.
Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5260100 11/06/19 05:13 PM
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Bullet Offline OP
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I ran to Walmart and bought 5w30 Castrol Edge.

Re: Going from 5w30 to 5w20 in a 2006 and a 2007 [Re: Bullet] #5260102 11/06/19 05:14 PM
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T4RF Offline
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I ran a 10k short-trip OCI in my Toyota 4.0 with 0w-20 and did a UOA on it after- no harm no foul. That said, in LA you will be fine with a 30w, 20 won't do you any good.

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