5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Octane levels

Thread Tools
 
Search this Thread
 
Old 06-13-2006, 02:19 AM
  #1  
All4n
2nd Gear Member
Thread Starter
 
All4n's Avatar
 
Join Date: May 2006
Location: OH
Posts: 329
Default Octane levels

What should I use in my car? its a 89 GT with BBK H-pipe and Flowmasters, and aftermarket plug wires. Im thinkin 87 to 89, maybe 90.
All4n is offline  
Old 06-13-2006, 02:28 AM
  #2  
r.barn
6th Gear Member
 
r.barn's Avatar
 
Join Date: Feb 2006
Location:
Posts: 5,263
Default RE: Octane levels

87-89 will be fine with stock timing
r.barn is offline  
Old 06-13-2006, 03:05 AM
  #3  
Stevens91gt
5th Gear Member
 
Stevens91gt's Avatar
 
Join Date: Jan 2006
Location:
Posts: 4,053
Default RE: Octane levels

87 will be fine

there isnt a need for a higher octane

unless u up ur timing and it starts pinging
Stevens91gt is offline  
Old 06-13-2006, 03:33 AM
  #4  
boss429
3rd Gear Member
 
boss429's Avatar
 
Join Date: May 2006
Location:
Posts: 792
Default RE: Octane levels

man, these guys don't know what their talking about.

with that exhaust you need 100+ octane.

or else your engine with grenade.

... im surpised it hasnt yet.

octane boost is now your best friend.
boss429 is offline  
Old 06-13-2006, 03:34 AM
  #5  
boss429
3rd Gear Member
 
boss429's Avatar
 
Join Date: May 2006
Location:
Posts: 792
Default RE: Octane levels

just playing, 87 would be fine.

boss429 is offline  
Old 06-13-2006, 03:35 AM
  #6  
Stevens91gt
5th Gear Member
 
Stevens91gt's Avatar
 
Join Date: Jan 2006
Location:
Posts: 4,053
Default RE: Octane levels

ORIGINAL: boss429

man, these guys don't know what their talking about.

with that exhaust you need 100+ octane.

or else your engine with grenade.

... im surpised it hasnt yet.

octane boost is now your best friend.
[sm=noooo.gif] [sm=chairshot.gif] [sm=alcoholic.gif]

lol
Stevens91gt is offline  
Old 06-13-2006, 03:37 AM
  #7  
boss429
3rd Gear Member
 
boss429's Avatar
 
Join Date: May 2006
Location:
Posts: 792
Default RE: Octane levels

haha, are stupidity us often the cause of jacked threads which no one has a use for anymore
boss429 is offline  
Old 06-13-2006, 03:38 AM
  #8  
boss429
3rd Gear Member
 
boss429's Avatar
 
Join Date: May 2006
Location:
Posts: 792
Default RE: Octane levels

by are i meant our... wow, im not feeling too bright right now.
boss429 is offline  
Old 06-13-2006, 03:40 AM
  #9  
Stevens91gt
5th Gear Member
 
Stevens91gt's Avatar
 
Join Date: Jan 2006
Location:
Posts: 4,053
Default RE: Octane levels

nor would i if i spelled like that

haha

but seriously u should be fine w/ 87
Stevens91gt is offline  
Old 06-13-2006, 03:42 AM
  #10  
boss429
3rd Gear Member
 
boss429's Avatar
 
Join Date: May 2006
Location:
Posts: 792
Default RE: Octane levels

but seriously u should be fine w/ 87


haha, i wonder how many times that's gonna get repeated.
boss429 is offline  


Quick Reply: Octane levels



All times are GMT -5. The time now is 10:13 AM.