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Octavio
03-13-2007, 11:40 AM
Castrol and Mobil1 according to many people are the best synthetic oils on the market ...... any of you is using synthetic oil if so tell us the story

04_edge
03-13-2007, 11:47 AM
last time i changed my oil i put motocraft synthetic in, with about a half a bottle of lucas oil stabalizer, made a big difference for about to weeks...

bigbirney420
03-13-2007, 11:55 AM
I used Mobil 1 for about 40,000 miles, recently switched to Pennzoil Platinum. I bought car with 38k and has 97k now without any problems whatsoever, and car is highy modded. Some people claim you should use Amsoil or Royal Purple, but I never thought it was necessary. Its more in changing it regularly and using a good oil filter i.e. not a Fram. All my dads old school muscle head mechanic buddies insist that even most full synthetics are overkill, but I do it anyway.

Octavio
03-13-2007, 12:49 PM
last time i changed my oil i put motocraft synthetic in, with about a half a bottle of lucas oil stabalizer, made a big difference for about to weeks...

It made a difference for two week only?

I think I'm gonna go with Mobil1

Flipx99
03-13-2007, 12:54 PM
I use Syntech with 1/2 qt of lucasoil

Qbenjamin
03-13-2007, 12:55 PM
I have been using Mobil1. I can't tell the difference at all from normal oil, but I don't have to change my oil until I get to 5K miles, unlike 3K with normal oil.

Alpine CDA-9815
03-13-2007, 10:29 PM
I did use Mobil 1... now I use Red Line.

Amsoil or Red Line>Royal Purple>Mobil 1 IMO

chucku
03-13-2007, 11:38 PM
I use mobil one. Its really more of a convience of not having to change it often.

Speedyd718
03-14-2007, 01:23 AM
mobil 1 0w-40 and mobil filter for me. check out bobistheoilguy.com good info site

Decipha
03-14-2007, 04:04 AM
i use full synthetic and change my filter every 3k miles then top off the fluid i lost. I DONT DRAIN IT. 10k miles since and still looks golden. Mobile1 for me.

jonnybusa
03-15-2007, 06:18 PM
Castrol and Mobil1 according to many people are the best synthetic oils on the market ...... any of you is using synthetic oil if so tell us the story


i used mobil 1 syn religiously for years in my stangs, and they loved it.
i switched to royal purple syn oil in my big power stangs, and actually gained 3-5 rwhp on average over mobil 1.
If you start using syn in your car, DO NOT switch back to regilar oil afterwards.,......not good

chuksw9ve
03-15-2007, 08:32 PM
I use mobil 1 in my truck.Had some head work done,and the mechanic said it was clean as a tack inside.

pinkyota
03-15-2007, 08:55 PM
a great non-synthetic oil is rotella