370z requires premium fuel?
 

That is what I have read in some of the reviews. Is this accurate? Do we have the vehicle manual on the website?

Thanks

Premium fuel is needed. 91 octane and above.

Owner's Manual linky....

http://www.the370z.com/images/370zfo...he370Z_com.pdf

One word... Yes

If Civics (the Civic Si) nowadays require premium fuel, I'd assume the 370z would definitely require it too haha.

Anything that is high compression or force induction should always use premium. High compression is about 10:1 and up. I believe the these motors are 11:1.

Absolutely they need premium (as has the 350s and for that matter, most of Nissan's/Infiniti's offerings that use either a 6 or 8 cylinder).

If you use anything other than premium, you will likely see less performance as the CUP backs-down the engine to prevent premature ignition (knock).

Speaking of fuel choice.. see what happens when you use XXX 138 oxygenated blend :)

XXX Racing Fuel gains 14whp on stock 370Z : Injected Performance Blog

http://farm4.static.flickr.com/3385/...c4d934.jpg?v=0

^impressive

LOL! That's a good way to empty out the cats too! :D

Could you explain what that means "high compressions for cars"? I guess I can look it up but I would rather have your professional opionion. :icon17:

LOL! I'm not a professional! :D I do porn, not cars. (FYI)

Compression is the amount of pressure the combustion chambers are under.

The octane level changes the speed and cleanliness of the detonation. Pre-detonation is common on higher compression engine because the fuel will ignite easier. So higher octanes are required to guarantee a specific time for detonation AFTER the piston has reached its apex.

Read this: Engine knocking - Wikipedia, the free encyclopedia <-- That will explain the pre-detonation and let you know why higher octanes are more important on cars with higher compressions.

I see. Thank you. Now this may sound a little dumb, will the 370 require something special or a converter of some sort if you want to put a higher octane on your car? A local gas stations sells 100 octane. Also what if you put c17 or something like that.

91, 92, or 93 octane will be just fine. Don't worry about those higher octanes unless you plan go use forced induction.

I was just wondering. I think the 100 octane is like 6.99 a gallon. Way to rich for my blood. But if you put 100 octane wouldn't it increase the HP a decent amount?

Nope. It just runs with fewer knocks.

100 octane is really meant for MUCH higher compression engines or forced induction.