Re: Modified Retard Capsule Re-Visited - Saab 900 Bulletin Board - Saabnet.com
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Better yet to adding more gasoline is to add water / methanol for cooling charge temp reduction. That is the ultimate goal, to lower inlet charge temps. The methanol evaporation provides some serious reduction in cooling charge temps, the conductive means of a air / water intercooler is another great way to do it. Like I said, there is a limit to the cooling you'll get from extra gasoline, and therefore detonation is back to haunt you.......
Fellow racers at land speed events are able to deduct 200 degrees of temperature from the outlet of the compressor to the intake manifold using air / water ( which is really an ice bath ) in other words conductive means.
Of course, this isn't practical for street use, so about the best one could do is staged water / methanol mixture injection triggered by boost, rpm, etc
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