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11-03-2011, 12:56 PM
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#1 |
 
Drives: 2011 Camaro 2SS 6M Join Date: Oct 2011
Location: Clinton, MO
Posts: 121
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LS3 Factory Tune 87 vs 92 Octane-How Much HP do you lose?
I am sure someone knows the answer to this. If you run 87 octance in your LS3 your knock sensor will kick in thus retarding your timing.
Does anyone know the RWHP on a stock LS3 running 87 Octane? Does anyone know the RWHP on a stock LS3 running 92 Octane? What is the diffrence in RWHP on a stock LS3? I am real curious as to how much RWHP you do loose using 87 Octane.
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2011 Camaro 2SS-VR-White Stripes-6M-RS-Sunroof-Rear Decklid Wing-Polished Wheels-Premium Mats- Mods-Corsa Cat-Back-Next LT's-Hi Flow Cats-Cam-CAI-Custom Tune
Order Date 5/27/11-Invoice Date 6/30/2011- Delivered to Dealer 7/20/2011- I Purchased 10/14/2011 Last edited by superchargemyride; 11-03-2011 at 02:00 PM. |
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11-03-2011, 12:59 PM
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#2 |
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SoCal Mayhem
Drives: 2010 Camaro 1SS/RS Join Date: Aug 2008
Location: Foothill Ranch, CA
Posts: 5,488
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Planning to run 87?
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11-03-2011, 01:06 PM
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#3 |
         
Drives: 2011 IOM Camaro Join Date: Jul 2010
Location: Texas
Posts: 3,446
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With a 20 cent different between 87 and 93, that's only a $3.80 difference for the 19 gallon tank.
If you want to run 87, trade me cars! 
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11-03-2011, 01:10 PM
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#4 | |
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Drives: 2011 Camaro 2SS 6M Join Date: Oct 2011
Location: Clinton, MO
Posts: 121
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Quote:
__________________
2011 Camaro 2SS-VR-White Stripes-6M-RS-Sunroof-Rear Decklid Wing-Polished Wheels-Premium Mats- Mods-Corsa Cat-Back-Next LT's-Hi Flow Cats-Cam-CAI-Custom Tune
Order Date 5/27/11-Invoice Date 6/30/2011- Delivered to Dealer 7/20/2011- I Purchased 10/14/2011 |
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11-03-2011, 01:15 PM
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#5 | |
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Drives: 2011 Camaro 2SS 6M Join Date: Oct 2011
Location: Clinton, MO
Posts: 121
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Quote:
__________________
2011 Camaro 2SS-VR-White Stripes-6M-RS-Sunroof-Rear Decklid Wing-Polished Wheels-Premium Mats- Mods-Corsa Cat-Back-Next LT's-Hi Flow Cats-Cam-CAI-Custom Tune
Order Date 5/27/11-Invoice Date 6/30/2011- Delivered to Dealer 7/20/2011- I Purchased 10/14/2011 |
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11-03-2011, 02:20 PM
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#6 |
Drives: 2010 aqua blue SS/RS M6 Join Date: Feb 2010
Location: plainfield, IL
Posts: 2,706
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I allways use 93... I got some bad 93 one time and could not run faster then a 13.0 and lost like 3mph, I was wondering why my car was so slow that day, put a few gals of 100 in it and did a fues pull and went 12.60s! Nothing changed but the gas, if you are forced to use 89 I would get a 89 tune for it... your loosing allot of power and the computer is not going to reset without a fuse pull now.
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10.91 at 122 H/C stock block N/A
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11-03-2011, 02:31 PM
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#7 | |
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086YN
Drives: Black 2SS/RS Demon of Madness Join Date: Aug 2011
Location: Conroe, Texas
Posts: 454
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Quote:
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11-03-2011, 03:04 PM
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#8 |
Drives: 2012 Corvette Grand Sport Join Date: Jan 2011
Location: martinez Ga.
Posts: 503
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Why would you want to run 87
 . The price difference is not worth the loss in power or the fuel gauge sensor problems you will eventually have.
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11-03-2011, 03:07 PM
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#9 |
Drives: 2010 2ss m6 Join Date: Aug 2011
Location: staten island, ny
Posts: 511
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The original question is loss of hp....the ss is not designed to run 87...I dont know numbers but my dealership put 87 in it when I bought it and it ran like crap, rough idle and no ass to it. I put in 93 and did a fuse pull (twice to be safe) and it was like a whole new car.
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2010 2ss M6, TSP 1 7/8 Long Tube headers,dual electric cutouts, 3" pipes all the way back to magnaflows. elite engineering catch can, custom painted engine cover,CAI cold air intake, apex cold air racescoop, jannety racing 470 hp kit, custom JRE hot rough idle blower cam, jannety racing dyno tuned. pfadt lowering springs, lsr short throw shifter, custom sub setup,sony 7" indash nav, interior stiching dye, 20% tint all around, HAVOC spoiler, tail light black out, chevy emblem black out, seibon BBII carbon fiber hood,Front and rear bowtie blackouts. 461 rwhp and not done yet!
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11-03-2011, 03:44 PM
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#10 | |
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Drives: 2011 Camaro 2SS 6M Join Date: Oct 2011
Location: Clinton, MO
Posts: 121
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Quote:
Those numbers would seem to be right and I agree with you about the tune.
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2011 Camaro 2SS-VR-White Stripes-6M-RS-Sunroof-Rear Decklid Wing-Polished Wheels-Premium Mats- Mods-Corsa Cat-Back-Next LT's-Hi Flow Cats-Cam-CAI-Custom Tune
Order Date 5/27/11-Invoice Date 6/30/2011- Delivered to Dealer 7/20/2011- I Purchased 10/14/2011 |
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11-03-2011, 04:27 PM
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#11 |
Drives: 2010 2SS and 2011 LS Join Date: Aug 2011
Location: Western burbs of the Motor City
Posts: 628
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Seems to me I have heard you lose about 10hp per octane point so you are looking at about 60hp loss between 87 and 93 if my number is correct.
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Around here we like baseball, hot dogs, apple pie, and Chevrolet
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11-03-2011, 04:40 PM
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#12 | |
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Drives: 2011 Camaro 2SS 6M Join Date: Oct 2011
Location: Clinton, MO
Posts: 121
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Quote:
__________________
2011 Camaro 2SS-VR-White Stripes-6M-RS-Sunroof-Rear Decklid Wing-Polished Wheels-Premium Mats- Mods-Corsa Cat-Back-Next LT's-Hi Flow Cats-Cam-CAI-Custom Tune
Order Date 5/27/11-Invoice Date 6/30/2011- Delivered to Dealer 7/20/2011- I Purchased 10/14/2011 |
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11-03-2011, 04:46 PM
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#13 | |
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The BBOMG fill-in husband
Drives: 2015 2SS/RS 1LE AKA V1LE Join Date: Aug 2010
Location: Elmira, NY
Posts: 4,471
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Quote:
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UPSTATE C5 MEMBER
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11-03-2011, 04:50 PM
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#14 |
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Drives: 2011 Camaro 2SS 6M Join Date: Oct 2011
Location: Clinton, MO
Posts: 121
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Found a BP station 17 miles away with 92 Octane and no ethanol in there gas.
__________________
2011 Camaro 2SS-VR-White Stripes-6M-RS-Sunroof-Rear Decklid Wing-Polished Wheels-Premium Mats- Mods-Corsa Cat-Back-Next LT's-Hi Flow Cats-Cam-CAI-Custom Tune
Order Date 5/27/11-Invoice Date 6/30/2011- Delivered to Dealer 7/20/2011- I Purchased 10/14/2011 |
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