Premium Vs Regular Gas

[HookemHorns]

Nice Stang! I'm a car guy and appreciate all kinds not just the Chevys.

[phess11]

Originally Posted by ihaveacamaro

Our engine is designed for 87. I have a hard time believing 93 will affect performance, considering that 93 is the same fuel, just with less knocking. I think it may just be in your head.

It actually says in the Camaro Owners Manual (page 9-56) that you will get reduced performance using less than 91 octane in the V8s.

"If the vehicle has the 6.2L V8 engine
(VIN Code W) or the 6.2L V8 engine
(VIN Code J), use premium
unleaded gasoline with a posted
octane rating of 91 or higher. For
best performance, use premium
unleaded gasoline with a posted
octane rating of 93. You can also
use regular unleaded gasoline rated
at 87 octane or higher, but the
vehicle's acceleration could be
slightly reduced, and a slight audible
knocking noise,"

[bee sting]

I have a Tuned V6 by Trifecta and Vince told me on the phone No drastic gains from using 87 to 93 other than cost . I even tried it on a local dyno and saw nothing to brag about . Just my .02

[Dooley]

Another I have a V6 tell me what gas I need to use thread?

[nyrfan]

Originally Posted by phess11

It actually says in the Camaro Owners Manual (page 9-56) that you will get reduced performance using less than 91 octane in the V8s.

"If the vehicle has the 6.2L V8 engine
(VIN Code W) or the 6.2L V8 engine
(VIN Code J), use premium
unleaded gasoline with a posted
octane rating of 91 or higher. For
best performance, use premium
unleaded gasoline with a posted
octane rating of 93. You can also
use regular unleaded gasoline rated
at 87 octane or higher, but the
vehicle's acceleration could be
slightly reduced, and a slight audible
knocking noise,"

We are not taking about the V8.

[ihaveacamaro]

Originally Posted by phess11

It actually says in the Camaro Owners Manual (page 9-56) that you will get reduced performance using less than 91 octane in the V8s.

"If the vehicle has the 6.2L V8 engine
(VIN Code W) or the 6.2L V8 engine
(VIN Code J), use premium
unleaded gasoline with a posted
octane rating of 91 or higher. For
best performance, use premium
unleaded gasoline with a posted
octane rating of 93. You can also
use regular unleaded gasoline rated
at 87 octane or higher, but the
vehicle's acceleration could be
slightly reduced, and a slight audible
knocking noise,"

Talking about the v6 here...

[ihaveacamaro]

Originally Posted by GretchenGotGrowl

There are a couple of threads over in the V6 bolt on section (very old) where they did dyno runs to compare the two. The V6 has very sensitive knock sensors and does pull quite a bit of timing on 87. Putting 93 octane in did increase the HP a bit. Only you can decide if it's worth the extra money. You certainly won't get higher MPG using it.

Originally Posted by nyrfan

I know the difference I felt was "not in my head"

Originally Posted by bee sting

I have a Tuned V6 by Trifecta and Vince told me on the phone No drastic gains from using 87 to 93 other than cost . I even tried it on a local dyno and saw nothing to brag about . Just my .02

Differing opinions all around....

Gretchen, if people have done it and seen differences that is very cool. I agree that only you can decide if it's worth it though, I would more more than happy to make a new thread on that topic with my car, if I knew someone with a dyno lol

[vroomapunk]

V6 never needs premium, its not better gas, it just has octane, a knock inhibitor, your engine isnt going to knock on regular, therefore you are wasting your money. Science, not opinion!

[E.T.]

Guys on here have tested this and apparently there is knock with 87, and the computer pulls timing. It is able to advance timing with higher octane. Try it and see if you notice any difference. It's not really that much more $$ per fill up.

[ihaveacamaro]

Originally Posted by E.T.

Guys on here have tested this and apparently there is knock with 87, and the computer pulls timing. It is able to advance timing with higher octane. Try it and see if you notice any difference. It's not really that much more $$ per fill up.

Where I live it's 40 cents more per gallon

[MAXRS]

im driving my 2010 rs v6 with 87 and havent heard anything funny on my camaro i say its fine either if you want to do premium or regular

[squat]

scrrming (or something like that) posted results a looong time ago of hooking a computer up to his 2010 V6. He found that on 87 the car pulled timing a lot. With 91 it hardly ever had to pull timing. The conclusion is that 87 is fine to run but to get the most performance from the V6 you should use a higher octane.

[malave7567]

Originally Posted by squat

scrrming (or something like that) posted results a looong time ago of hooking a computer up to his 2010 V6. He found that on 87 the car pulled timing a lot. With 91 it hardly ever had to pull timing. The conclusion is that 87 is fine to run but to get the most performance from the V6 you should use a higher octane.

I have noticed a difference between 91 and 87 as well. It's not major, but if you're trying to get every bit of power, there is a difference.

[AlohaBR]

If mpg is your main goal, stick with 87. I have found that using premium the mileage does go up slightly(about 5%) but since the cost difference is 10% or more, it is not worth it for that.
If performance is what you want then YES, use 91 or 93 Octane, remember it will take about 100 miles(I read that somewhere) for the computer to reset for the higher octane.