Race Gas and Stock motor?

November 6th, 2006, 10:42 AM

89StangGT

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Join Date: Aug 2006

Location: Toledo Ohio

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Race Gas and Stock motor?

Well guys I was wondering is it safe to run 110 octane race gas in a stock 1989 GT? Long story short i have a 55 gallon drum of race gas left in the garage because i hurt the motor in my race car, and it is down for the year. I hate to waste all the gas, so i was wondering if i could just put it in the 5.0 and put it to good use?

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November 6th, 2006, 11:16 AM	#2
orangeRcode Hardcore Enthusiast 11.59@119 -100 shot Join Date: May 2006 Location: Mustang/Yukon, OK Posts: 1,799	Does the 110 have lead in it? As long as the lead is not a problem for your engine, you could always mix it with 87 to give it more kick. __________________ http://www.moddedmustangs.com/forums/image-apic687.jpg

November 6th, 2006, 11:23 AM	#3
Darrell Feb 08 ROTM 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: Fond du Lac, Wisconsin Posts: 7,287	Safe yes. Worthwhile no. The additional octane will cost you a few horsepower since the engine doesn't need it but it won't hurt anything. If you run it for months on end the lead can possibly due damage to the oxygen sensors if so equipped. __________________ Racing in memory of Dave Bandt 11/19/69 - 3/23/08 "he's traded his wheels for wings" Professor of Natural Aspiration Thanks to: Artie at Trick Flow, Dave at Team Z Motorsports, Brian at Total Engine Airflow and Harold at Furo Racecraft

November 6th, 2006, 02:57 PM	#4
HORSMEN1995 Regular Join Date: Sep 2006 Posts: 82	if your gonna run itt straight.... i wouldnt, but nu ca 50-50 it i beleive and that would prolly be better

November 6th, 2006, 11:05 PM	#5
cali 5.0 Regular Join Date: May 2006 Location: grand prairie tx Posts: 385	wouldnt it hurt the plugs... i ran 2much octane booster 4 a while and the plugs were red __________________ 89 gt 3.73 gears, full exhaust, holley system max2 intake manifold, 70mm throttle body, jet chip

November 7th, 2006, 12:22 AM

Darrell

Feb 08 ROTM

1990 Mustang LX

9.36@143 mph

Join Date: Jan 2006

Location: Fond du Lac, Wisconsin

Posts: 7,287

Originally Posted by cali 5.0

wouldnt it hurt the plugs... i ran 2much octane booster 4 a while and the plugs were red

No, the only thing high octane fuel does is burn slower. Octane is the fuels ability to resist detonation and nothing more. It doesn't add horsepower but will cost you horsepower if you don't need the additional octane.

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Racing in memory of Dave Bandt 11/19/69 - 3/23/08
"he's traded his wheels for wings"

Professor of Natural Aspiration

Thanks to: Artie at Trick Flow, Dave at Team Z Motorsports, Brian at Total Engine Airflow and Harold at Furo Racecraft

November 7th, 2006, 01:58 PM	#7
cali 5.0 Regular Join Date: May 2006 Location: grand prairie tx Posts: 385	y would u want the fuel to burn slower __________________ 89 gt 3.73 gears, full exhaust, holley system max2 intake manifold, 70mm throttle body, jet chip

November 7th, 2006, 02:25 PM