87 or 91 gas?

Burnrubber101 · 02-28-2009, 01:26 PM

It sais to put 91 gas, but would it hurt to put 87? I know the performance will be temporarly decreased (untill i put 91) again, but not overall....right??

frost · 02-28-2009, 01:28 PM

I think this has been discussed a couple times, but higher gas prevents knock. And my 350 knocks with anything less than 89, so I imagine the 370 is even more dependent on higher quality gas for knock prevention because o the compression ratio. Now is the question will it actually hurt your vehicle? Not in the short term, but could eventually hurt your engine.
I believe you can eventually damage your piston rings, damaging your pistons, so forth and so on.

semtex · 02-28-2009, 01:43 PM

To add to Frost's comments about possible long-term damage, if Nissan discovers that you've been putting in the cheap stuff when their manual (as well as the label on the inside of the fuel hatch) clearly states that you must use premium, kiss your warranty coverage goodbye (should you end up with a damaged piston type of problem).

But I want to take a step back and ask why you're even considering putting the cheap stuff in. Would you bring a child into the world without intending to provide for his/her nutritional needs? Or would you adopt a pet without intending to adequately feed it? Only irresponsible trailer trash does either of those things, right? So don't get a sports car if you don't intend to provide it with the fuel it needs either. Don't be the automotive equivalent of 'Octomom'!

AK370Z · 02-28-2009, 02:38 PM

Def put 91. Why do you want to take a chance at damaging your engine or drive with decreases HP output? I have a tendency to listen to Nissan Engineers

DSC01301.jpg

brisk · 02-28-2009, 02:44 PM

yea i used to put 91. in a g35coupe
there were those who just put in regular...and were fine.

but since i like to be "safe" a couple of extra bucks per fill wasn't that bad.

G&M Performance · 02-28-2009, 03:47 PM

^^ ftw! Just follow the manufacturer's suggestions and you will be golden.

frost · 02-28-2009, 03:50 PM

Quote:

Originally Posted by semtex

But I want to take a step back and ask why you're even considering putting the cheap stuff in. Would you bring a child into the world without intending to provide for his/her nutritional needs? Or would you adopt a pet without intending to adequately feed it? Only irresponsible trailer trash does either of those things, right? So don't get a sports car if you don't intend to provide it with the fuel it needs either. Don't be the automotive equivalent of 'Octomom'!

Right, if you can afford a $30K+ sports car, you surely have the financial stability to not concern yourself with a couple bucks more in fuel costs.

chubbs · 02-28-2009, 06:07 PM

You have 2 choices...

a. 91.

b. buy a Tata Nano and use all the 87 you can find.

ps - don't forget to take your bolt size and your chips into account when choosing the fuel.

dad · 02-28-2009, 06:19 PM

Use 91, and you won't be sorry.

semtex · 02-28-2009, 06:43 PM

Quote:

Originally Posted by chubbs

ps - don't forget to take your bolt size and your chips into account when choosing the fuel.

frost · 02-28-2009, 06:44 PM

Quote:

Originally Posted by chubbs

ps - don't forget to take your bolt size and your chips into account when choosing the fuel.

Or ask your brother

Greg · 02-28-2009, 07:29 PM

Quote:

Originally Posted by Burnrubber101

It sais to put 91 gas, but would it hurt to put 87? I know the performance will be temporarly decreased (untill i put 91) again, but not overall....right??

Please do not skimp, when it comes to such things as cars and or its parts etc.. It's not only about looking lame or being cheap, It could also be downright dangerous.

Get only whats authorized, required and or recommended by the manufacturer.

Zxces50 · 02-28-2009, 10:13 PM

I wouldn't put less than 91 in my tank. Also have a Maxima and ran 87 for awhile but could really tell engine was not running well and hard to start. If your goin to buy a Z figure on buying the correct gas

RCZ · 02-28-2009, 10:37 PM

I say you just run water. Its cheaper.

FERRARI · 02-28-2009, 10:58 PM

Quote:

Originally Posted by semtex

To add to Frost's comments about possible long-term damage, if Nissan discovers that you've been putting in the cheap stuff when their manual (as well as the label on the inside of the fuel hatch) clearly states that you must use premium, kiss your warranty coverage goodbye (should you end up with a damaged piston type of problem).

But I want to take a step back and ask why you're even considering putting the cheap stuff in. Would you bring a child into the world without intending to provide for his/her nutritional needs? Or would you adopt a pet without intending to adequately feed it? Only irresponsible trailer trash does either of those things, right? So don't get a sports car if you don't intend to provide it with the fuel it needs either. Don't be the automotive equivalent of 'Octomom'!

Very well said.....I have always put nothing but 93 octane in all of my cars........it has more additives ....and is well worth the little bit of extra money !!!!

02-28-2009, 01:26 PM	#1 (permalink)
Burnrubber101 Base Member Join Date: Feb 2009 Location: West la Posts: 11 Drives: 09 370z Rep Power: 16	87 or 91 gas? It sais to put 91 gas, but would it hurt to put 87? I know the performance will be temporarly decreased (untill i put 91) again, but not overall....right??

02-28-2009, 01:43 PM	#3 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 54 Posts: 5,995 Drives: People to drink Rep Power: 32	To add to Frost's comments about possible long-term damage, if Nissan discovers that you've been putting in the cheap stuff when their manual (as well as the label on the inside of the fuel hatch) clearly states that you must use premium, kiss your warranty coverage goodbye (should you end up with a damaged piston type of problem). But I want to take a step back and ask why you're even considering putting the cheap stuff in. Would you bring a child into the world without intending to provide for his/her nutritional needs? Or would you adopt a pet without intending to adequately feed it? Only irresponsible trailer trash does either of those things, right? So don't get a sports car if you don't intend to provide it with the fuel it needs either. Don't be the automotive equivalent of 'Octomom'! __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.

02-28-2009, 02:38 PM	#4 (permalink)
AK370Z Administrator Join Date: Sep 2008 Location: NJ Posts: 9,930 Drives: 09 370Z MB Sports M6 Rep Power: 10	Def put 91. Why do you want to take a chance at damaging your engine or drive with decreases HP output? I have a tendency to listen to Nissan Engineers DSC01301.jpg __________________ The370Z Signature Pictures ll Want to rock our forum decals on your car? Then click here! ll How to Embed YouTube Videos In a Post STOP! (Hammertime) ll Become a Premium Member Click HERE ll F.A.Q. Are You a Nissan Dealer? Click Here to Become A "Supporting Dealer" and Start Listing Your 370Zs In Our Inventory Section My Monterey Blue Z ll My Exhaust --> My Intake --> G3 Nissan's Official Response Regarding Oil Temp Issue: CLICK HERE Need a Set of Cheap Winter wheels /Tires? Then Visit The Banner Link Below and Place Your Order. You'll Help Keep The370Z Alive.

02-28-2009, 06:07 PM	#8 (permalink)
chubbs A True Z Fanatic Join Date: Jan 2009 Location: Zeeland Posts: 1,046 Drives: 2016 370z Auto-Grey Rep Power: 7586	You have 2 choices... a. 91. b. buy a Tata Nano and use all the 87 you can find. ps - don't forget to take your bolt size and your chips into account when choosing the fuel. __________________ . '03 Grey >>> '06 Black >>>'10 Silver >>> '16 Grey ^ Last edited by chubbs; 02-28-2009 at 06:14 PM. Reason: it's a secret.

02-28-2009, 06:19 PM	#9 (permalink)
dad Grand Prix of Endurance Join Date: Nov 2008 Location: Tennessee Posts: 3,476 Drives: Mulsanne Straight Rep Power: 26	Use 91, and you won't be sorry. __________________ We can do without any article of luxury we have never had; but once obtained, it is not in human nature to surrender it voluntary.

02-28-2009, 02:44 PM	#5 (permalink)
brisk Base Member Join Date: Jan 2009 Location: Chicago Posts: 132 Drives: 370z? Rep Power: 16	yea i used to put 91. in a g35coupe there were those who just put in regular...and were fine. but since i like to be "safe" a couple of extra bucks per fill wasn't that bad.

02-28-2009, 03:47 PM	#6 (permalink)
G&M Performance Enthusiast Member Join Date: Jan 2009 Location: Texas Posts: 425 Drives: LS3 Genesis Coupe Rep Power: 227	^^ ftw! Just follow the manufacturer's suggestions and you will be golden.

02-28-2009, 10:13 PM	#13 (permalink)
Zxces50 Base Member Join Date: Jan 2009 Location: Boston, MA Posts: 208 Drives: 15 C7 Stingray Z51 Rep Power: 16	I wouldn't put less than 91 in my tank. Also have a Maxima and ran 87 for awhile but could really tell engine was not running well and hard to start. If your goin to buy a Z figure on buying the correct gas

02-28-2009, 10:37 PM	#14 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1118	I say you just run water. Its cheaper.