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Re: Anyone used valvoline restore? [Re: Mad_Hatter] #5210056 09/11/19 11:44 AM
Joined: Mar 2004
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Donald Online Content
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Originally Posted by Mad_Hatter
Originally Posted by Donald
You need to do a compression test to see if you can figure out which set of rings have the issue. The compression rings or oil control ring. Worn valve stem seals show up as oil burning at startup after sitting for several hours.

A fuel additive may help with compression rings. And an oil additive with the oil control rings.

Cold engine yes but idling and off throttle braking can result in increased manifold pressure which can draw oil past worn valve stem seals.

You could compression test the cylinders but you know it's not gonna have great compression since it's consuming oil. Unless you're willing to plunk down the cash, in the event of really bad readings, to replace the rings, I'm not sure the ROI is favorable on a compression test.

Symptoms of bad valve stem seals

Originally Posted by buster
If the rings are worn, this oil won't help. If they are stuck or dirty, it will.

+1


I believe you can have pretty good compression and still burn oil. If all that wrong is the oil control ring (gunked up), you will burn oil but still have pretty good compression.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Anyone used valvoline restore? [Re: Donald] #5210081 09/11/19 12:10 PM
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Mad_Hatter Offline
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Originally Posted by Donald
I believe you can have pretty good compression and still burn oil. If all that wrong is the oil control ring (gunked up), you will burn oil but still have pretty good compression.

Ok yeah, I suppose that is possible. Good point..👍

Re: Anyone used valvoline restore? [Re: D1dad] #5210228 09/11/19 03:19 PM
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SubieRubyRoo Offline
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If you did the Kreen soak as prescribed (1 oz in each cylinder, sit overnight), a pint in the crankcase, and the rest in the gas tank and you didn't see any improvement, then Restore isn't going to fix your problem. If you didn't do the Kreen soak as they recommend, I'd either do it again or try Restore. But Kreen is much cheaper and much stronger for a quicker response.

Re: Anyone used valvoline restore? [Re: D1dad] #5210255 09/11/19 03:32 PM
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Char Baby Offline
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Check/replace the PCV.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic 1.8 LX
Re: Anyone used valvoline restore? [Re: D1dad] #5210291 09/11/19 04:29 PM
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diyjake Offline
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If you do end up trying Restore, please let us know the outcome.

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