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5w-20 in a 1985 Dodge 600 Turbo? #5395366 04/06/20 10:43 AM
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OceanRuns Offline OP
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Picked up a 1985 Dodge 600 convertible, 96k miles, engine is the Chrysler 2.2 turbo.
Previous owner changed the oil shortly before selling it and used 5w-20 (presumably synthetic). Per his notes previous oil changes were 5w-30. He told him he didn't have the 30w on hand, so just used what he used for one of his modern cars.
So, should I change it or run the 5w-20?

Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395370 04/06/20 10:47 AM
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demarpaint Offline
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I'd change it, especially since it is an old engine and a turbo.


God Bless Our Troops

Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395377 04/06/20 11:00 AM
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Jackson_Slugger Offline
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Originally Posted by OceanRuns
Picked up a 1985 Dodge 600 convertible, 96k miles, engine is the Chrysler 2.2 turbo.
Previous owner changed the oil shortly before selling it and used 5w-20 (presumably synthetic). Per his notes previous oil changes were 5w-30. He told him he didn't have the 30w on hand, so just used what he used for one of his modern cars.
So, should I change it or run the 5w-20?


I wouldn't waste it, you can add something like STP or one of the Liqui Moly products like Oil Saver...

https://www.amazon.com/dp/B00CPL8WY8/ref=psdc_15718821_t1_B001CZKC2I

Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395381 04/06/20 11:08 AM
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sprite1741 Offline
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I wouldn't run a 20 in mine, especially since it's getting warmer outside. I stick with 10w30 year round. Older engines usually like a thicker oil. Turbos get hot. Change it.


2005 Grand Prix GXP 5.3L Supertech Synthetic Dexos 5w30 Fram Ultra 3506
1986 Dodge Lancer 2.2L Turbo, Supertech Synthetic 10w30 Fram Ultra 3614
Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: sprite1741] #5395387 04/06/20 11:12 AM
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OceanRuns Offline OP
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A Dodge Lancer Turbo. That's cool. smile

Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395391 04/06/20 11:17 AM
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Patman Offline
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I wouldn't run 5w20 in that. I had a 1988 Dodge Shadow ES Turbo that I bought new and I know that those 2.2 turbo engines were not designed for 5w20. Stick with a 5w30 or 10w30 and definitely only a full synthetic, those turbos get hot.


2018 Corvette, 20k, M1 ESP Formula 5w30 & NAPA Gold
2006 Civic EX Coupe, 156k, PUP 5w20 & Fram Ultra
2010 BMW 328i X-Drive,130k, GC 0w40 & Fram Ultra

Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: Jackson_Slugger] #5395398 04/06/20 11:30 AM
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PimTac Offline
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Originally Posted by Jackson_Slugger
Originally Posted by OceanRuns
Picked up a 1985 Dodge 600 convertible, 96k miles, engine is the Chrysler 2.2 turbo.
Previous owner changed the oil shortly before selling it and used 5w-20 (presumably synthetic). Per his notes previous oil changes were 5w-30. He told him he didn't have the 30w on hand, so just used what he used for one of his modern cars.
So, should I change it or run the 5w-20?

I wouldn't waste it, you can add something like STP or one of the Liqui Moly products like Oil Saver...

https://www.amazon.com/dp/B00CPL8WY8/ref=psdc_15718821_t1_B001CZKC2I

Why would you add gunk to the unknown?

It’s good practice to change the oil. That’s the only sure way to know exactly what is in the sump. I would go with 5w30 as already suggested.


2017 Mazda CX5
Mobil 1 Annual Protection 0w20
Roki OEM filter.
Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395465 04/06/20 12:53 PM
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Wolf359 Offline
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Originally Posted by OceanRuns
A Dodge Lancer Turbo. That's cool. smile


I had the 85 LeBaron GTS hatchback with the 2.2 Turbo, 5-speed. Was fun til it blew the 3rd engine and I gave up. Head gasket.

I ran 5w30 in it, there wasn't any 5w20 back then.

It's just an oil change, just change it.

Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: Jackson_Slugger] #5395469 04/06/20 01:01 PM
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csandste Online Content
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Originally Posted by Jackson_Slugger
Originally Posted by OceanRuns
Picked up a 1985 Dodge 600 convertible, 96k miles, engine is the Chrysler 2.2 turbo.
Previous owner changed the oil shortly before selling it and used 5w-20 (presumably synthetic). Per his notes previous oil changes were 5w-30. He told him he didn't have the 30w on hand, so just used what he used for one of his modern cars.
So, should I change it or run the 5w-20?


I wouldn't waste it, you can add something like STP or one of the Liqui Moly products like Oil Saver...

https://www.amazon.com/dp/B00CPL8WY8/ref=psdc_15718821_t1_B001CZKC2I

I'm cheap and lazy. Everyone including me disses STP but this might be a place for it. A half can would get it up to 5w30.


2017 Kia Soul+ Valvoline Daily Protection 5w30+ a bit of Harvest King syn 5w30-- 75,000 miles
Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395508 04/06/20 01:45 PM
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hemitom Offline
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If he used a 5w20 synthetic, i'm sure its better than any 5 or 10w30 from 1985 and i don't think a short 3k run would hurt , instead of wasting it !


2009 Saturn Vue.
2015 Mustang GT Convertible.
Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: hemitom] #5395521 04/06/20 01:55 PM
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Originally Posted by hemitom
If he used a 5w20 synthetic, i'm sure its better than any 5 or 10w30 from 1985 and i don't think a short 3k run would hurt , instead of wasting it !

Drain out half of it, mix it with 10w40 synthetic, and mix the other half with the remaining 10w40 in the jug and use it for next time.

Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: blufeb95] #5395535 04/06/20 02:08 PM
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Originally Posted by blufeb95
Originally Posted by hemitom
If he used a 5w20 synthetic, i'm sure its better than any 5 or 10w30 from 1985 and i don't think a short 3k run would hurt , instead of wasting it !

Drain out half of it, mix it with 10w40 synthetic, and mix the other half with the remaining 10w40 in the jug and use it for next time.

There ya go-- even 10w30. Waste not, want not.


2017 Kia Soul+ Valvoline Daily Protection 5w30+ a bit of Harvest King syn 5w30-- 75,000 miles
Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395598 04/06/20 03:24 PM
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skyactiv Online Content
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This was the oil to use in a turbo car in the 80's:

[Linked Image]


Wife: 15' Audi A4 quattro 6 speed manual
Me: 18' Elantra Sport 6 speed manual
The rude guy that points out reality


Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395616 04/06/20 03:41 PM
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BAJA_05 Offline
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Peace of mind -- drain it out and refill with 5W30 synthetic like others have mentioned. Back in the middle 90s I had a 1988 Dodge Daytona Shelby Z with the 2.2L Turbo 2 paired with a 5 speed. Yeah, again -- those turbos get real hot.


2017 VW Jetta SE TSI 1.4L Turbo (hers)
PP Euro 0W40 & FU (42K)
2008 Acura TL 3.2L PPHM 0W20 & FU (117K)
2005 Subaru Baja AWD 2.5L N/A 5spd.
T6 MV 5W30 & FU (103K)
2000 Ram 4X4 5.2L (93K) T6 MV 5W30 & FU
Re: 5w-20 in a 1985 Dodge 600 Turbo? [Re: OceanRuns] #5395643 04/06/20 04:25 PM
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Char Baby Online Content
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The owner's manual for those cars recommend against using 5W20 motor oil. But that was 35 years ago when 5W20 wasn't anything special. Today the 5W20 oils are great although I'd still use 5W30.


Retired 6 yrs now & lovin' it
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic 1.8 LX
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