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BigTex BigTex is offline
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Default Octane Booster - 06-06-2016, 06:26 AM

I heard good things about the Lucas Oil octane booster, but I am skeptical that it will make a noticeable difference. Has anyone added a 15oz can of Lucas Oil Octane Booster to a tank of 93 octane? Also, is it safe to run regularly in our cars?
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Default 06-06-2016, 08:16 AM

Quote:
Originally Posted by BigTex
I heard good things about the Lucas Oil octane booster, but I am skeptical that it will make a noticeable difference. Has anyone added a 15oz can of Lucas Oil Octane Booster to a tank of 93 octane? Also, is it safe to run regularly in our cars?
I run it and per independent octane tests will raise you to from 93 to 96 octane with one bottle...adding more bottles will still peak the octane still at 96


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Default 06-06-2016, 09:13 AM

Ive heard back from a few companies such as royal purple starting at 91 octane and going to 93 requires a can of booster which is safe for daily usage. But going from 93 octane is much more difficult and often requires more than 1 can which isn't recommended, and can cause O2 sensor damage. I've also found some octane boosters leave residue inside the engine and in plugs due to the chemicals they use.


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Default 06-06-2016, 07:37 PM

Ahhh o2 sensor damage and residue on the plugs? I added a bottle of lucas octane booster to my car last week and filled up with 93. Car ran amazing. I have jb4, vrsf *** l e s s ***, and 2ndary delete with vibrant 1792s. Car sounded nasty and pulled like crazy. Loved the sound and feel. After tank was low i refilled with just 93 and maybe a 1/4 into the new gas, ses light and jb4 kept kicking me to map 4. As soon as i stepped on the throttle heavy, boost would jump up to 14 for a couple seconds and again back to map 4 and 8psi. Codes read cyl 4 misfire, lambda probe, etc. So i changed cyl 4 coil and checked plugs. Plugs have a redish/ rusty color on them and they were just installed 2 months ago. Car started misfiring and missing very bad. Did a log and it turns out that bank 2 pre c a t o2 sensor is bad and causing car to run lean in bank 2 thats why it goes to map 4. O2 sensor ordered and hopefully fixes misfire and boost problems
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BigTex BigTex is offline
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Default 06-07-2016, 06:04 AM

Thanks for the feedback. I added a bottle when I filled-up with my usual 93 octane and after a few miles of driving I noticed a big difference, especially in the warm weather here in TX at the current time. Car is much smoother and has more power
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Default 06-07-2016, 06:37 AM

Octane boosters work, but generally only those that contain MMT's which have been claimed to damage O2's and plugs with prolonged use.

In my mind if you need to use an octane booster then do so, but budget for replacement sensors and plugs which, relatively speaking, are not that expensive. I'd sooner run an octane booster to supplement fuel quality that rely on WMI as a fueling band-aid.
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Default 06-07-2016, 07:13 AM

Just buy good quality octane booster and you should be fine. Be careful to not use too much, follow instructions and boom free octane.


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Default 06-07-2016, 11:19 AM

"When mixed in a 100:1 ratio of fuel to additive the Lucas Octane Boosted averaged a RON reading of 101.4 and a MON rating of 91.8. Giving Lucas in a concentration of 100:1 an AKI of 96.6 when mixed with 93 pump fuel. With a ratio of 100:1 this make Lucas the most concentrated additive.

When used an a concentration of 50:1 103.1 RON was achieved with a MON of 93.5 giving it a AKI (Anti-Knock Index) ((RON+MON)/2) of 98.4.

To date Lucas octane booster is the only booster tested that had significant results with only one bottle in the tank. One bottle is enough to make 10 gallons of 96.6 octane out of 93."


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Default 06-07-2016, 11:33 AM

When I dyno tested octane booster on my sti these were the ones that held promise:
1. Royal purple
2.Nos
3.Race gas concentrate (makes your plugs orange)


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steeve13m steeve13m is offline
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Default 06-07-2016, 11:38 AM

Quote:
Originally Posted by Lowon
When I dyno tested octane booster on my sti these were the ones that held promise:
1. Royal purple
2.Nos
3.Race gas concentrate (makes your plugs orange)
Did you test Torco and Lucas?


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Default 06-07-2016, 11:59 AM

Quote:
Originally Posted by steeve13m
Did you test Torco and Lucas?
I didn't dyno torco but my Cobb acessport on torco didn't show any signs of knock so I'm guessing it's ok. Didn't even bother with Lucas, I preferred royal purple because it passes BMW's detergency test and the new updated test, so it won't stain the plugs or leave residue in the cylinders.


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harkes harkes is offline
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Default 06-07-2016, 05:38 PM

Methanol injection, octane booster on demand - done deal!
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Default 06-07-2016, 07:25 PM

Funny i have a devils own meth kit with duel nozzels and stainless steel lines with race tank sitting in the box brand new for about 2 months now waiting to install
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Default 06-07-2016, 07:37 PM

Quote:
Originally Posted by beastmw
Funny i have a devils own meth kit with duel nozzels and stainless steel lines with race tank sitting in the box brand new for about 2 months now waiting to install
Get on with it
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Default 06-07-2016, 07:40 PM

Lol im too scared to use meth due to methanol vapors entering the cabin, and have no idea where to run an external vent line. After that Im worreid about failsafes lol...


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Default 06-07-2016, 07:52 PM

I am too ignorant to use an external vent. I just enclosed the whole tank in a zip-bag - me writing this proves the concept haha
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Default 06-07-2016, 07:58 PM

Quote:
Originally Posted by harkes
I am too ignorant to use an external vent. I just enclosed the whole tank in a zip-bag - me writing this proves the concept haha
LOL 10/10

but how does the pump get any suction if the bag in theory would eventually cause a vacumn effect.


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harkes harkes is offline
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Default 06-07-2016, 08:10 PM

Dunno - never had that issue. I guess the zip-bag is not 100% airtight, but having vacuum in the bag is a good thing anyway - keeping those killer fumes in check.
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Default 06-07-2016, 09:30 PM

True, just make sure the pump can still suck in fluid is what im getting at.


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Default 06-08-2016, 05:30 AM

Quote:
Originally Posted by harkes
I am too ignorant to use an external vent. I just enclosed the whole tank in a zip-bag - me writing this proves the concept haha
Lol love it!!!!
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BigTex BigTex is offline
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Default 06-08-2016, 06:53 AM

I agree running meth or race gas are the best options. However, meth is not an option for me as my M5 is my DD that my wife and 4 year old rides in, and race gas is not easily accessible in my area, which caused me to look into the octane boosters. I read good things about the Lucas Oil one, and so far had a great first hand experience with it based on the one bottle I added to a tank of 93 octane this week. However, if using it as directed will still cause potential damage, I will just run pure 93 octane. I would love to get more thoughts from those who have run an octane booster.
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beastmw beastmw is offline
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Default 06-08-2016, 01:46 PM

You can set the trigger on the meth so if you set it at wot and the wife dont put it to the floor, you can run it when you drive. Also you can turn it off and on. Just presenting options lol
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Default 06-08-2016, 03:25 PM

You guys considered another alcohol? Toluene is a great octane booster if I recall T10 is the same as running E30...it has similar properties to methanol but not corrosive on the fuel system, so straight in the tank.
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Default 06-08-2016, 03:54 PM

Quote:
Originally Posted by Russjonesr
You guys considered another alcohol? Toluene is a great octane booster if I recall T10 is the same as running E30...it has similar properties to methanol but not corrosive on the fuel system, so straight in the tank.
Seriously? Like this wouldn't damage the car in anyway dumping toluene or methyl benzene into the gas tank.


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Default 06-08-2016, 04:01 PM

Quote:
Originally Posted by Russjonesr
You guys considered another alcohol? Toluene is a great octane booster if I recall T10 is the same as running E30...it has similar properties to methanol but not corrosive on the fuel system, so straight in the tank.
What about xylene, it has a few more Octane? How much percentage wise Toluene or Xylene can you add to pump fuel before reaching a point of minimal gains?

What recipes have you found to work best?
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