I got a 2000 gt with 85k and was thinking about switching for to synthetic oil. Does anyone know of any issues that could arise when doing this?
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03-13-2010
I got a 2000 gt with 85k and was thinking about switching for to synthetic oil. Does anyone know of any issues that could arise when doing this?
03-13-2010
no issues... go for it.. alotta ppl say it will cause seals and gaskets to go bad, not true.
Originally Posted by SuperSport
03-13-2010
The only down side of using synthetic is the price. I run synthetic in the winter, and regular dino oil in the summer.Let me put it this way, if synthetic was the same price as regular you would be nuts not to use it.
03-13-2010
i get double the mileage i would with synthetic than conventional... according to DIC from what i hear its pretty accurate as to when oil needs to be changed. so the price weighs itself out.
Originally Posted by SuperSport
03-13-2010
go synthetic if you watch out for sales at walmart,autozone and so on price isnt that bad at all
03-14-2010
go for it synthetics great
03-14-2010
You will have no problems switching to synthetic. I have been using synthetic for some time. You can get good deals at autozone or any auto parts store
03-14-2010
Only thing I would do if you have the money is run a few bottles of it through to flush out all the old dino crap...that's just me though.
03-15-2010
I purchased my car used and wasnt aware the previous owner ran synthetic oil. After my first oil change i developed a slight lifter tic. I went back to shop and had my oil changed again and the meechanic said it could take up to a week to make the tic go away. I hope he is right and not a lifter issue at 70,000 miles
03-22-2010
I get about 10,000 miles to an oil change with synthetic, so the cost is definitely worth it when I drive about 35,000 miles a year. If I were to use traditional I would pay more than I do for the Synthetic.
03-22-2010
Clint same thing happened to me and it went away in about a week, Oyeah synthetic all the way!!
03-23-2010
"i get double the mileage i would with synthetic than conventional... according to DIC from what i hear its pretty accurate as to when oil needs to be changed."
Unless the GP's DIC is different then the oil change reminder system GM uses in its other brands, the DIC has no idea what oil you are using or its condition. It simply estimates by conditions such as mileage, run time and how many times the engine has be start\shut off. The DIC will report the same time to change whether you run synthetic, conventional or ketchup.
I ran synthetic in my 92 pickup with 200+K on it for the first time. It leaked the same amount it always did, used the same amount, And unfortunately got dirty just as fast due to blowby. As everyone else said, the rumors about it damaging seals are false.
I run mobil 1 in my vehicles with a wix,mobil 1 or K&N oil filter.
The only reason I ever saw not to run synthetic was my 92 pickup, I was using a quart in 1K so it seemed kinda dumb to use synthetic.
03-23-2010
youre all suckers for running synthetic.
03-23-2010
Not really if you can run it for twice as long as traditional and pay the same or less.
Its called being lazy and running the "better" oil and not paying any more than you would.
03-23-2010
I typically have been getting 8-9K out of the Mobil 1 in the wifes saturn vue with the Honda 3.5 in it. I'm still waiting to change the oil in my GP.
at 8K the synthetic coming out of the vue is a medium brown color. Still plenty of room to hold carbon.
I typically end up doing 2 oil changes on it per year. costs me around $30 per change for oil + filter. So $60 a year on oil changes for one vehicle
I would say anyone doing a 3K oil change these days is a sucker.
One of the MAJOR advantages of synthetic is in regards to moisture. You can run synthetic in a car for a year with no concerns ergo my 2 per year due to mileage only.
03-23-2010
i do 3k mile oil changes with dirt cheap oil. id say that an oil change for me, including a filter, is less than $20. even with synthetic, i would be really weary about running it that long. i just dont feel they are meant to be run for that long and id rather change it more often, although when i buy my STI i may end up running synthetic just because im going to be murdering the motor on a daily basis just like i do with all my vehicles.
03-23-2010
Get an oil analysis done.
That ought to change your mind.
Regular oil after 3000 miles will still pass API tests for oil quality.
03-23-2010
I believe most oil analysis show conventional oil will go 5-6K easily in a modern engine with fuel injection without saturating with carbon.
It highly depends on the engines condition. my 92 chev 350 with 226K on it within 1K the oil was pretty dirty, 3K it was really dirty due to blow-by. we beat on that engine pretty hard its whole life.
If you have a tight engine theres no reason not to go at least 5K assuming you drive it constantly and keep the moisture cooked out.
Look at it this way, If you buy an STI break it in properly. Run synthetic for 5K and have an analysis done. They will tell you if you went too far or not. Most likely they are going to tell you its safe to go another 5K or so (10K total) DO that next and do another analysis. If they say dead on, run that or a little below it. In the long run you'll save a lot of time and money.
As long as the oil can hold the carbon, your not risking anything.
03-23-2010
This oils debate has been beaten like a skinhead showing up at the million man march
If you trust synthetic and like how it preforms run it
If you trust conventional and like how it preforms run that
I buy synthetic on sale 99 % of the time so it costs maybe $1 dollar more quart
I also change it at 5k-7k depending on how hard i drive it 80% of the oil changes I do are synthetic for cutomers the other 20% are an older crowd and dont trust this"new age crap"
Its like gas I run chevron when ever i can and all my cars get 91octane because i notice a milage increase and i can feel when the wife puts am/pm crap in them
But people will say it doesnt matter and buy whats cheapest
Last edited by TorqueAutoMotiv; 03-23-2010 at 04:05 PM.
03-24-2010
I had an oil analysis run on my 2005 GP when it had about 25k on the clock after waiting on the DIC to tell me to change the oil - total about 13,000 miles on that Mobil 1 synthetic oil. Oil analysis from Blackstone Labs indicated the oil was still good BUT the particulates in the oil was too high. This indicates that the oil filtering is the weak link in the engine, not the oil. So, I choose to run cheaper, name brand dino oil and change every 5,000 mainly to get a new filter in the loop. I can't get the benefit from extended intervals to compensate for the increased cost of the synthetic. Just my experience.
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