Are you wanting to retard the Ignition for reduced risk of Detonation if so have you thought of water injection i thought about it for a nitrous set up and it may be worthwhile looking into,also gives you a nice cool charge,
I could be barking up the wrong tree but its a thought.
Oz
This was one of the answers i got it is in the Water/Methanol section
Well getting back to the original topic, water or alki injection does make wonders for detonation suppresion, cooling and octane boosting on forced induction engines. Now water/alki and nitrous hasnt been as widely researched and the people that have arent talking about it, i've talked to Rodney from Alcohol Injections Systems about it and this is part of what he answered me:
"Hi Rudy,
First of all let me say, running water methanol injection with nitrous is perfectly fine. We actually sell many systems to strictly nitrous users as it offers the benefit of increased octane while stabilizing the combustion process. This allows users to then run much less ignition retard while adding some extra safety to the motor at the same time."
The cons i see with running this kind of set up in N/A nitroused engine & water/alki injection would be tunning as it would run very rich since these systems are normally setted up for boost not nitrous and would need extensive tunning and scanning logging tools to get the proper A/F ratio when on the gas.
Try checking out all the alcohol/water injection at the following link:
http://www.alcoholinjectionsystems.com/Tech-Articles/t7/articles.htmlRudy.
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