Stupid question, just need to know..

Jaded25 · February 6th, 2007, 10:12 PM

Searched around in the forums, couldn't find anything on it.. Anyways, is it ok to put 91 octane in my car, then owners manual says to put 87... isn't 91 better for the car? Or should I stick with 87?

FTHOODV6STANG · February 6th, 2007, 10:13 PM

i was told to et 87 they siad my 6 was not tuned for any higher.

Vabeachmustang · February 6th, 2007, 10:15 PM

Pretty much depends on your setup for the car. If you have it tuned to a certain octane rating you have to use that rating or higher. Would it hurt? No.

turp · February 6th, 2007, 10:22 PM

use 87 unless you tune your ecu for a higher octane otherwise it is just a great waste of money...

Jaded25 · February 6th, 2007, 10:30 PM

Alright thanks for the info, ill stop using 91 then haha..

FTHOODV6STANG · February 6th, 2007, 10:39 PM

yeah i stopped to 93 is cheap on mil base

DeathScythe95 · February 6th, 2007, 10:46 PM

i use 93 just because its better for ur car and if i use 87, my engine rattles when i floor it.

turp · February 6th, 2007, 10:54 PM

Originally Posted by DeathScythe95

i use 93 just because its better for ur car and if i use 87, my engine rattles when i floor it.

change your oil...

DeathScythe95 · February 6th, 2007, 11:23 PM

Originally Posted by turp

Originally Posted by DeathScythe95

i use 93 just because its better for ur car and if i use 87, my engine rattles when i floor it.

change your oil...

Yea, i did that, people here just said use premium and it solved the problem

turp · February 6th, 2007, 11:29 PM

well if that is what works then go with it but in normal cases 93 is a waste.

00stang · February 6th, 2007, 11:30 PM

i use silver cuz i aint rich enough for the gold dang it but it helps to use higher octane just every thing better all around preformance wise

itschristorres8 · February 6th, 2007, 11:32 PM

lol no...thats in your head. your not getting any better performance unless your car is tuned and timed for higher octance

turp · February 6th, 2007, 11:37 PM

Originally Posted by itschristorres8

lol no...thats in your head. your not getting any better performance unless your car is tuned and timed for higher octance

+1

AtlanticBlue99 · February 6th, 2007, 11:39 PM

use the manufacturer specs unless tuned for another octane gradient. stock for all v6 mustangs is 87. i am tuned for 93+ and run 93 all the time.

232stang · February 7th, 2007, 01:36 AM

i get better gas mileage with 93 octane.... so if you dont mind losing performance for gas mileage go ahead.

February 6th, 2007, 10:12 PM	#1
Jaded25 Regular Join Date: Dec 2006 Posts: 68 iTrader: 0 reviews	Stupid question, just need to know.. Searched around in the forums, couldn't find anything on it.. Anyways, is it ok to put 91 octane in my car, then owners manual says to put 87... isn't 91 better for the car? Or should I stick with 87? __________________

February 6th, 2007, 10:13 PM	#2
FTHOODV6STANG Regular Join Date: Oct 2006 Posts: 172 iTrader: 0 reviews	i was told to et 87 they siad my 6 was not tuned for any higher. __________________ FlowmasterExhaust BBk headers CAI 8.8 GT rear You aint CAV u aint SH#t yo mama aint CAV she aint SH#t Mustang Mafia of Texas Betta Respect it!!!

February 6th, 2007, 10:15 PM	#3
Vabeachmustang Enthusiast 2005 Mustang GT Join Date: Nov 2006 Location: Virginia Beach, VA Posts: 535 iTrader: 0 reviews	Pretty much depends on your setup for the car. If you have it tuned to a certain octane rating you have to use that rating or higher. Would it hurt? No. __________________ 2005 Mustang GT \| Procharger P-1SC-1 @12psi 501 rwhp, 445 torque Click here for my latest Dyno Pull MILITARY CREW HMC(SW/AW)

February 6th, 2007, 10:22 PM	#4
turp My Stallion is Bigger! 1989 Eddie Bauer Bronco 3 feet... Join Date: Aug 2005 Location: VA Beach Posts: 3,013 iTrader: 0 reviews	use 87 unless you tune your ecu for a higher octane otherwise it is just a great waste of money... __________________

February 6th, 2007, 10:30 PM	#5
Jaded25 Regular Join Date: Dec 2006 Posts: 68 iTrader: 0 reviews	Alright thanks for the info, ill stop using 91 then haha.. __________________

February 6th, 2007, 10:39 PM	#6
FTHOODV6STANG Regular Join Date: Oct 2006 Posts: 172 iTrader: 0 reviews	yeah i stopped to 93 is cheap on mil base __________________ FlowmasterExhaust BBk headers CAI 8.8 GT rear You aint CAV u aint SH#t yo mama aint CAV she aint SH#t Mustang Mafia of Texas Betta Respect it!!!

February 6th, 2007, 10:46 PM	#7
DeathScythe95 Regular Join Date: Jan 2007 Posts: 246 iTrader: 0 reviews	i use 93 just because its better for ur car and if i use 87, my engine rattles when i floor it. __________________ VROOOOOOOMMM!!!

February 6th, 2007, 11:29 PM	#10
turp My Stallion is Bigger! 1989 Eddie Bauer Bronco 3 feet... Join Date: Aug 2005 Location: VA Beach Posts: 3,013 iTrader: 0 reviews	well if that is what works then go with it but in normal cases 93 is a waste. __________________

February 6th, 2007, 11:30 PM	#11
00stang Regular Join Date: Jan 2007 Location: TN Posts: 123 iTrader: 0 reviews	i use silver cuz i aint rich enough for the gold dang it but it helps to use higher octane just every thing better all around preformance wise __________________ 2000 Mustang V6

February 6th, 2007, 11:32 PM	#12
itschristorres8 Banned 00 V6 & 09 GT 13.37@104.4mph--BONE stock GT Join Date: Aug 2006 Location: south florida Posts: 15,859 iTrader: 2 reviews	lol no...thats in your head. your not getting any better performance unless your car is tuned and timed for higher octance __________________ [SIGPIC][/SIGPIC] Acmillr loves me

February 6th, 2007, 11:39 PM	#14
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	use the manufacturer specs unless tuned for another octane gradient. stock for all v6 mustangs is 87. i am tuned for 93+ and run 93 all the time. __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

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