Is every one using 91 octan fuel

samb03 · 11-19-2010, 02:13 AM

if you need octane just mix in a little TOLUENE. You can get it pretty cheap at your local paint store. 114 octane just don't mix in more than 40% or it will eat your rubber lines up quick. I hear after extended use (every tank) it will get the gaskets in your carburator in a couple years. this was a subject in the hotrodders forum. How to figure octane is the average the octane between the two fuels being mixed. 7:1 ratio of 91 octane to toluene would be 91x6 + 114/ 7= 94.2
Gas stations only have 2 tanks low and high. the octane ratings in the middle are mixxed by pulling fuel from both tanks. In Oklahoma we usually just have 87/89/91. 89 is a 50/50 mix of the 2 that you pay 15 cents a gallon more for then another 15 cents for the high grade.
Toluene..my octane booster of choice - SportsCarForums.com an interesting read for those that use octane boosters.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Fuel Economy	tdd1986	Nissan 370Z General Discussions	37	09-26-2010 11:46 AM
50-75% improved fuel economy news story... 'supercritical fuel inejctors'	travisjb	Engine & Drivetrain	4	05-21-2010 11:54 AM
Fuel Filler Tube Coating Flaking Off Into Fuel Tank	SoCal 370Z	Nissan 370Z General Discussions	12	02-02-2010 10:37 AM
Fuel Economy...WTF?	spearfish25	Nissan 370Z General Discussions	28	07-08-2009 06:05 PM
Question about air/fuel	zZSportZz	Nissan 370Z General Discussions	9	06-15-2009 04:59 PM

11-19-2010, 02:13 AM	#11 (permalink)
samb03 Base Member Join Date: Nov 2010 Location: western Oklahoma Posts: 164 Drives: Black Cherry Sport Rep Power: 15	if you need octane just mix in a little TOLUENE. You can get it pretty cheap at your local paint store. 114 octane just don't mix in more than 40% or it will eat your rubber lines up quick. I hear after extended use (every tank) it will get the gaskets in your carburator in a couple years. this was a subject in the hotrodders forum. How to figure octane is the average the octane between the two fuels being mixed. 7:1 ratio of 91 octane to toluene would be 91x6 + 114/ 7= 94.2 Gas stations only have 2 tanks low and high. the octane ratings in the middle are mixxed by pulling fuel from both tanks. In Oklahoma we usually just have 87/89/91. 89 is a 50/50 mix of the 2 that you pay 15 cents a gallon more for then another 15 cents for the high grade. Toluene..my octane booster of choice - SportsCarForums.com an interesting read for those that use octane boosters.