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Old 03-12-2010   #1
WickdEye's Avatar
Join Date: Sep 2009
Location: Rio Rancho, NM
Posts: 251

GTA Year: 1988
GTA Engine: 350 TPI Automatic
Octane Booster

Ive been using a octane booster on every fill up cuz here in NM gas is 91 octane not 93 but i have been using a booster that can be use on every fill up but now when i dont use it my GTA sputters with out the octane booster!!! Its like a drug if my GTA doesnt have it, my engine runs worse!!!! Any ideas???

1988 Pontiac Trans Am GTA
5.7 V8 350 TPI
Auto 700R4
9 Bolt Borg Warner
Royal Purple Oils ONLY!!
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Old 03-12-2010   #2
"The only thing to fear is.............fear itself"
FearThisGTA's Avatar
Join Date: Jun 2003
Location: In front of you....
Posts: 4,742

GTA Year: 1991
GTA Engine: 350 TPI Automatic
Re: Octane Booster

Have you done any mods that would require the use of the octane booster?

Cliff Jones
1991 GTA Trans Am
w/305,231 miles
on the original motor!!!!
Time of Death on motor, 4:07pm on 05/29/2010.
Best et: 13.959@97.05mph
Best mph: 98.3
Best 60' : 1.875 on BFG Comp TA's w/ 32 lbs of air in them
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Old 03-12-2010   #3
88 Black GTA
GTA fanatic
Join Date: Apr 2007
Location: Owatonna, Mn
Posts: 153

Re: Octane Booster

Have you checked your timing lately?
1988 GTA 5.7/700R4 Black/Black leather

Firebird owners of Minnesota - Facebook.
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Old 03-12-2010   #4
Registered User
Join Date: Nov 2009
Location: Harrisburg, PA
Posts: 277

Re: Octane Booster

never use it, I have alky injection, much more effective

1989 Turbo Trans Am #82
2007 Cobalt SS G85, Harrop 1320LSJ 75MM, 298hp 254tq
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