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B-Man 11-30-2006 02:40 PM

Synthetic Oil
Hello all! Just found this site, looks great. Just wondering how many of you use synthetic oil in your Frontiers?

dre351 11-30-2006 06:45 PM

i use synthetic in mine.

westex39 12-01-2006 05:59 AM

Just got mine broke in. I will be using synthetic when I change it in about a week. I've used synthetic since the late 70's. Its probably been over kill due to the way I drive. It's peace of mind I guess. I've never had a leak by using it. I put it in a Toyota Tacoma with 89000 miles. Never had a problem.
If you can afford the price difference, go for it.
BTW, I've used Amsoil, & Mobil 1. Both were great.

jb_adams 12-15-2006 02:21 PM

I just changed mine to full synthetic in both motor, tranny, transfer case, and diffs.

I have't noticed any difference but I'm sure the motor and gears are.

JFordBronco 01-14-2007 04:01 AM

Mobile 1 Synthetic in this and my Honda Accord. Regular old Valvoline 10/30 in my Bronco.


Infantryboots 11-28-2008 06:51 PM

I use Napa brand oil (10W 30)

tech22 11-29-2008 03:45 AM

57,000+ and all on MOBIL 1 full syn. 5/W30.

writer 11-30-2008 06:51 PM

I recently switched to Castrol 5w50 in the engine, Redline MT90 in the transmission, and Amsoil 75w110 in the differential. I can't tell it helps the mpg, but I used heavier oil in all cases.

Boomer 12-08-2008 02:27 AM

Mobil 1 5W-30 in the engine since 1100 miles after breakin. I also use Mobil 1 75W-90 gear oil in the rear diff.

Cpow 12-08-2008 03:35 PM

I've used Castrol Syntec 50/50 synthetic/dino 10W-30 since it was new...2003 with 62000 miles...changed every 3000.

TomL77 12-12-2008 08:55 AM

Why are you changing synthetic oil every 2K miles? Throwing away good oil in my estimation. Synthetics were developed to give better performance for more miles. I stared using Mobil I in my 04 but change it every 10K miles. I figure I am getting my moneys worth.

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