Z Oil Change: Miles or Time?

Originally Posted by Shamrock 1. Why is 0W40 used in the gt-r if technically 5w30 is better? I didn't see anyone state that 5W-30 is better than the 0W-40. And

		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain
Z Oil Change: Miles or Time?

LinkBack

Thread Tools

Display Modes

05-17-2012, 05:56 PM

#19 (permalink)

JARblue

A True Z Fanatic

Join Date: Mar 2011

Location: Austin, TX

Age: 45

Posts: 36,450

Drives: 11 Z34, 98 E36 M3

Rep Power: 2684442

Quote:

Originally Posted by Shamrock

1. Why is 0W40 used in the gt-r if technically 5w30 is better?

I didn't see anyone state that 5W-30 is better than the 0W-40. And I certainly didn't see anyone state that 5W-30 is better for the GT-R.

Quote:

Originally Posted by Shamrock

2. Is it ok to go back to 5w30 after 0w40 or will it affect my engine seals?

It's fine - it won't affect your seals.

Quote:

Originally Posted by Shamrock

3. Isn't the difference between the two oils that the 0w40 is better for cold starts and has a thicker viscosity at higher temps? If so why is this not preferable?

Totally confused here

Bob the Oil Guy is a wonderful resource to better understand these differences.

__________________

2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed |

Last edited by JARblue; 05-17-2012 at 05:58 PM.

Bookmarks

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are On Pingbacks are On Refbacks are On Forum Rules

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
how many miles for the 1st oil change?	mattkim85	Nissan 370Z General Discussions	75	04-11-2010 08:42 PM
What Happens When You Don’t Change Your Oil For 60,000 Miles	MightyBobo	The Lounge (Off Topic)	21	12-08-2009 12:48 PM
How many miles for oil change	bradz	Nissan 370Z General Discussions	17	08-24-2009 06:05 PM
If I could turn back time, I would change my oil at 200 miles?	cab83_750	Nissan 370Z General Discussions	6	04-28-2009 01:09 AM
Time change	shumby	The Lounge (Off Topic)	0	03-08-2009 06:14 AM

All times are GMT -5. The time now is 12:14 PM.