Finding High Octane Fuel or Additive??
11-19-2006 | 11:02 AM
#11
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Joined: Jan 2002
Posts: 1,145
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From: Cincinnati, Oh
Re: Finding High Octane Fuel or Additive??
Originally Posted by jlmtx83
is there a Sunoco around? if not have you tried mixing Jet A or ordering VP Racing fuels? This is what i had to do for my race jetskis and my solution for the boats/sc'ed skis
Hope you mean 100LL not jet a or you're mixing gas for a turbine.
11-19-2006 | 05:22 PM
#12
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Joined: Aug 2005
Posts: 242
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From: Merritt Island, Fl
Re: Finding High Octane Fuel or Additive??
The best way is to find toluene. It has been used as an octane booster for many years. It was used in fighter planes during WW2. There are charts all over the internet on expected octane vs mix ratios. The only problem with it is that you have to find a supplier who is willing to sell it to you in bulk. It is way too expensive by the gallon can. The mix ratios go to about 30% if I remember correctly but it really does increase octane by a significant amount. It is as close as you can get to racing fuel. Some of the octane boosters available actually work, but most are crap. When it comes to a high dollar, super heavily loaded boat engine, I would be very careful about what fuel I'm running if there was even a slight concern about detonation. 100LL would be my second choice, but I have heard of some lead fouling problems in automotive applications. I would think that it should fare well in a boat. In any case, I don't know what you're doing with your boat, but if it's strictly recreational, turn down the boost and run gas from the station (except for the occasional shot of race gas and thrill of course).
Rene
Rene
11-20-2006 | 02:41 PM
#16
Frank's Marine Service
Joined: Sep 2002
Posts: 11,959
Likes: 142
From: Elkton, MD
Re: Finding High Octane Fuel or Additive??
Originally Posted by tgersx
i dont know about anyone else but in NJ its getting harder and harder to search for high octane fuel, its like im on a search for fuel, its starting not to be fun. Does anyone have a reliable additive that you have used supercharged motors and now have to worry about popping one, that works i need to have at least 92 octance and i usually can find 89, it makes we want to get a pair of 525's, but i dont wanna scrafice the sound or speed.
thanks for the help
tom
thanks for the help
tom
Where are you?
Hey wait I do trailer my boat and I don't need all that octane anyway!
11-20-2006 | 03:58 PM
#18
Platinum Member
Joined: Aug 2004
Posts: 396
Likes: 1
From: PA/ MD
Re: Finding High Octane Fuel or Additive??
We have also had real good luck using the 5 gallon Torco leaded additive,plugs look great .
When added to 190 gallons or so of 93 octane , it makes a batch of approx 99 octane fuel per the above ratio.
But be very care-full , when splashed it will instantly stain your gel coat and upholstery , it's extremely toxic liquid you should wear a mask and you definitely need to use gloves and a monster size funnel.
This season we pulled some boost out of our rigs to avoid the above hassle, if we couldn't get 93 at our Marina we would still be using it , it works!
I was always told that If the octane additive can be packaged in a plastic container your wasting your $ it's junk!
When added to 190 gallons or so of 93 octane , it makes a batch of approx 99 octane fuel per the above ratio.
But be very care-full , when splashed it will instantly stain your gel coat and upholstery , it's extremely toxic liquid you should wear a mask and you definitely need to use gloves and a monster size funnel.
This season we pulled some boost out of our rigs to avoid the above hassle, if we couldn't get 93 at our Marina we would still be using it , it works!
I was always told that If the octane additive can be packaged in a plastic container your wasting your $ it's junk!
11-20-2006 | 04:02 PM
#19
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Registered
Joined: Sep 2006
Posts: 247
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From: sweetwater, nj
Re: Finding High Octane Fuel or Additive??
im out of sweetwater nj, i know where i can get high octane around me, cheastnut neck and trump marina, but i make trips down to the cheaspeke and on the way down its hard to find high octane, red eyes even did away with high octane which i cant believe and when i go on a long trip like that i need to beable to find it.
11-20-2006 | 04:22 PM
#20
Rob
Joined: Aug 2001
Posts: 21,637
Likes: 12
From: Ms
Re: Finding High Octane Fuel or Additive??
Originally Posted by oldandtired
The best way is to find toluene. It has been used as an octane booster for many years. It was used in fighter planes during WW2. There are charts all over the internet on expected octane vs mix ratios. The only problem with it is that you have to find a supplier who is willing to sell it to you in bulk. It is way too expensive by the gallon can. The mix ratios go to about 30% if I remember correctly but it really does increase octane by a significant amount. It is as close as you can get to racing fuel. Some of the octane boosters available actually work, but most are crap. When it comes to a high dollar, super heavily loaded boat engine, I would be very careful about what fuel I'm running if there was even a slight concern about detonation. 100LL would be my second choice, but I have heard of some lead fouling problems in automotive applications. I would think that it should fare well in a boat. In any case, I don't know what you're doing with your boat, but if it's strictly recreational, turn down the boost and run gas from the station (except for the occasional shot of race gas and thrill of course).
Rene
Rene
Anybody know
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