Octane Booster
Out Of Control!
Joined: Nov 2001
Posts: 21,014
Likes: 2
From: CA, NV, CO
Originally Posted by MB_Steve
Has anyone used Octane Booster when dragging their cars at the strip or just riding around town?
MBWorld Fanatic!
Joined: Jan 2003
Posts: 1,764
Likes: 3
From: El Paso, TX
'03 G500, '13 G63, '17 GLS63,
I used the NOS Race Formula. In my area, we only get 91 octane and this one has been proven to raise it to 93+ octane level. I can tell a difference in my Supra and the E55 seems to respond a little better. On the E55 it could just be in my head considering its $12 a bottle, lol, but on the Supra I can pretty much confirm it.
Last edited by medici78; Apr 5, 2006 at 07:54 PM.
Super Member
Joined: Nov 2004
Posts: 957
Likes: 0
From: Ventura, CA
AMG 55, 335i, Mini Cooper S
I sometimes due half 91 and half 100, which makes my car drive much better. I have done all 20gallons in 100 but the car didn't drive any better. For my car anything over a 50/50 mix is a waste of $$$
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Thread Starter
MBWorld Fanatic!
Joined: Nov 2005
Posts: 1,463
Likes: 0
E55
Originally Posted by t-boy
You are also in the 11's right? Maybe my NA engine doesn't need it. 
Super Member
Joined: Nov 2004
Posts: 957
Likes: 0
From: Ventura, CA
AMG 55, 335i, Mini Cooper S
Originally Posted by MB_Steve
I think I should be in the mid-11s with street tires, but I have't been able to achieve it yet. Best time is 12.1. A number of execuses from my first time at the strip to poor weather conditions, to too much gas. Car only has 1600 miles on it, so maybe that is an excuse as well. Seems that there are a number of E55s running 12.1, some even high 11s, that are stock. I have a Renntech ECU, pulley, and headers and am running 12.1. WTF!! Either my car was slow stock or I have no idea what I am doing when I run it at the track...
Senior Member
Joined: Jan 2005
Posts: 336
Likes: 0
From: Singapore/Central London UK
E63 biturbo
I have tried a drag octane booster once and didn't notice much difference except that the engine pulled smoother. Would probably be better off trying race fuel instead.
