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celicadragon
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celicadragon Nov 29, 6:15pm - #338213 

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2002 Toyota Celica

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Pittsburgh, PA
synthetic oil

i have been using full synthetic oil in my gts and i heard that not using the reg factory iol it could cause problems i thought i was giving my engine something better can someone tell me if this is hurting the engine
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Polykarb
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Polykarb Nov 29, 6:42pm - #338214 

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2000 Toyota Celica

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Tampa, Florida
Whoever told you that is full of shit. Synthetic oil lasts longer, doesn't burn as fast, and it is more viscous than regular oil. You'll only be hurting your engine if you put synthetic oil in a brand new car.

Doesn't hurt to put WAY better oil in your 2002 GTS, just don't make it 10wieght untill you've reached 50K miles. thumbsup

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celicadragon
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celicadragon Nov 29, 8:06pm - #338215 

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2002 Toyota Celica

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oh ok thanks

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celicadragon
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celicadragon Nov 30, 2:32pm - #338216 

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2002 Toyota Celica

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Pittsburgh, PA
i thought they said something about the oil pump cant handle thicker than factory specs is synthetic thicker i though it was

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spaztikid
dikitzaps
spaztikid Nov 30, 4:44pm - #338217 
dikitzaps
1974 Toyota Celica

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LA
synthetic oil is the same viscosity as conventional oil of the same weight... it just doesnt lose its viscosity as quickly.
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celicadragon
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celicadragon Nov 30, 7:45pm - #338218 

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2002 Toyota Celica

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Pittsburgh, PA
then would you reccomend to keep using it what do you use?

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dracom
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dracom Nov 30, 11:06pm - #338219 

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Georgia
Actually, synthetics are better when you start using them in newer engines. it's the way the seals kinda atune to it. i've seen cars that put in synthetic after using reg. oil for a very long time and end up blowing their seals. generally i say you need to start using it before 15k miles and don't switch back and forth, once you start using synthetic, stay with it cause it's bad for the engine to switch between the 2
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SLVCELI
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SLVCELI Dec 1, 1:59am - #338220 
2002 Liquid Silver Metall Toyota Celica GT
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2002 Toyota Celica GT

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West Chester, Ohio
Originally Posted by dracom
Actually, synthetics are better when you start using them in newer engines. it's the way the seals kinda atune to it. i've seen cars that put in synthetic after using reg. oil for a very long time and end up blowing their seals. generally i say you need to start using it before 15k miles and don't switch back and forth, once you start using synthetic, stay with it cause it's bad for the engine to switch between the 2


Im not saying your wrong, but why would switching between the two be bad for it.

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dracom
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dracom Dec 1, 3:43am - #338221 

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Georgia
well, in the past, regular oil did not have additives that current synthetics have today. this caused seals to crack ever slightly. what prevented leaks was the oil "sludge" of older oils. it had a tendency to accumulate within these cracks which is why no leaks were seen. now add synthetic to that which is made of of smaller particles which are able to pass through these cracks easier which caused leaks.

now most modern synthetic oils have additives that keep the seals flexible and less prone to cracking. which is why i said you should start early with synthetics. keep them seals in good condition.

most regular oils now have the same additives, to help with seals.

but most regular oils can leave that burnoff "sludgelike" deposites in the engine still. synthetics are not nearly as bad about it.

mostly it's my opinion that if you start using synthetics to stay with it and not put regular oils in unless it's an emergency.
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celicadragon
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celicadragon Dec 1, 2:10pm - #338222 

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2002 Toyota Celica

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Pittsburgh, PA
ok then i will keep using full syntetic but i dont know wht the previous owner did since i got the car at 16,000 miles for $17,000 so i dont know

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