Quote:
Originally Posted by DSX
You can't really just go in the tune and say "Ok, just run this AFR at this point!" and do what you're suggesting (directed at 14pilot). Personally, I'd never dump fuel like that... EVER. That's a great way to completely foul your spark plugs and wear out your rings (gas is abrasive).
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Everything I posted was in the form of a question and not a suggestion. Asking because I've been involved with the tuning of roughly 400 modern fuel injected sportbikes. We are in Arizona where its 110 degrees today. We always add fuel in into the decel areas of the tunes to all favors of these sportbikes. This stops the decel popping and helps cool the engine. Both my own personal bikes were tuned this way by me. It works and I've measured the lower water temps. My bikes have been running this way for about 4 years, both run great and are on the original spark plugs.
We don't tune an AFR during decel, we tune for water temps. My AFR reference was to demostrate the point, and not to reach to the technical specifics of how this might be achieved.
I also do not understand the statements about how "dumping" fuel will foul plugs and wear out rings. I can see the potenial for this, with the throttle closed, little air coming in comparatively, and the extra fuel causing a "wet" condition in the combustion chambers. But in the practice of doing this on many sportbikes, we have not seen these symptoms on any of our own sportbikes or our approximate 400 customers bikes over the past 4 years of using this tuning method.
I realize that my Kawi Ninja is not a Camaro. A sportbike's combustion chamber would be 1/2 to 1/3 the size of a car engine's and the RPMs would be double or even triple the RPMs of a car engine during decel.
Both bikes and cars have ECU controlled fuel injection systems, are 4-cycle internal combustion engines (spark plugs and rings) so looking to learn here.
Then I'd ask the question, can the Camaro be tuned to pulse the injectors during decel? Thanks...