06-04-2018, 09:15 AM | #1 |
Drives: Camaro Join Date: Jun 2015
Location: Virginia
Posts: 138
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Switching Gas on V8
While switching different octane (reg,plus,premium) fuel do any type of damage to the V8? I know the V6 can take reg fuel but can the V8 as well? Maybe not all the time but on days you know you wont be needing that higher level of fuel.
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06-04-2018, 09:18 AM | #2 |
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The car will retard the timing and drop the horsepower into the low 300s. Not worth it to save at most $5 a fill-up.
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06-04-2018, 09:33 AM | #3 |
Drives: 2016 Garnet Red Camaro 2SS Join Date: Jul 2015
Location: North Carolina
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Premium only for the LT1 V8. You can use lower octane, but it will damage the engine after using long term. Like mentioned above not worth the extra few $.
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06-04-2018, 11:17 AM | #4 |
Drives: 17 garnet red 2ss vert Join Date: Apr 2018
Location: Highland Village, Tx.
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It will not cause damage using lower octane fuel, you will get significantly lower fuel mileage and performance. The computer will pull timing to protect itself. That being, I wouldn't be doing a lot of spirited driving on regular gas.
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06-04-2018, 11:33 AM | #5 |
Drives: 2016 1SS Join Date: Feb 2018
Location: Conway AR
Posts: 105
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Yes exactly as stated here. 87 and 89 will not hurt but if you plan on visiting the track or beating on the car a little use 93 during those times.
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06-04-2018, 12:03 PM | #6 |
Drives: 2012 1SS IOM Join Date: Oct 2009
Location: Hutto, TX
Posts: 1,642
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Sigh... why do people buy V8's if they can't afford the gas...
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06-04-2018, 12:11 PM | #7 |
Drives: Former 2016 Camaro 1LT Join Date: Jan 2017
Location: Naples, FL
Posts: 760
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Sometimes things change in life- jobs, our commutes, etc. Rather than put regular gas in my Gen 5 SS and invest a lot of money for body work for dents and repairs, I traded it for a new Gen 6. I got the V6- main reason living on a tight budget and gas. I was able to buy a new car, perhaps some others cannot afford to do so.
It would be nice of the SS would take E85- if you have it available where you live. It's 50 cents cheaper than regular per gallon where I live.
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06-04-2018, 12:15 PM | #8 |
Drives: 16' 2SS, 06' Silverado SS Join Date: Jul 2017
Location: Columbus, OH
Posts: 345
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its always a chance of this and chance of that.
imo for something I spent 50k on, I wouldn't chance a thing especially for a few dollars extra. i put reg in my Silverado ss once and i def noticed the difference and just off that experience im done playing with fire probably for the rest of my life haha. |
06-04-2018, 01:03 PM | #9 | |
Drives: 2017 2SS, 50th pkg, M6, MRC, NPP Join Date: Jan 2016
Location: Ocean City, NJ
Posts: 3,181
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Quote:
The practice seems to be more common than I thought! |
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06-04-2018, 01:07 PM | #10 |
Drives: 2016 Camaro 2SS Join Date: Jun 2016
Location: Ohio
Posts: 241
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C'mon man. put the high octane in the V8. says right on the Fuel door
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06-04-2018, 01:15 PM | #11 |
Drives: 2013 SW 2LT/RS LFX/AY6 Join Date: Feb 2013
Location: Orlando, FL
Posts: 1,741
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It'll compound too. Lower octane means less power and less timing, meaning in low rpm high load scenarios (like cruising on the highway) it'll get worse gas mileage, which in turn means you'll be filling up more.
It's your car and you can do what you want with it. Just cringe worthy to me, like seeing a 6th gen SS without NPP. (I didn't even know it was possible until I saw one a few weeks ago with dual tips instead of quad... I've only seen NPP SS's for the last 2 or so years)
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06-04-2018, 04:17 PM | #12 |
Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017
Location: East Tennessee
Posts: 11,625
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I agree with all those above, why take the risk. If it's a daily driver and things around the $$$ have changed for the worse in the meantime, I'd lean less on the pedal and shoot for better mileage to save money.
Call me nuts, but I'm even unhappy about the small amount of 87 that makes it in from the pipe before the 93 starts flowing... I haven't yet found a good station near me that has a separate head for premium.
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06-05-2018, 06:42 AM | #13 |
Drives: '17- 1ag37 V6 traded, for 1SS 2018! Join Date: Mar 2018
Location: MA
Posts: 469
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'Bout time someone mentioned that first gallon of 87 !!! Paying premium price for crap-gas!
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06-05-2018, 11:49 AM | #14 |
Drives: 2SS, CT-R, LC500 Join Date: Jan 2018
Location: FLorida
Posts: 534
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On the highway, and long trips, it will behave fine, since you are usually cruising. Around town, 93 (or 91) will work best, since one is usually "hitting" it .
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