Quote:
Originally Posted by csimo
First off the Ridgeline doesn't have a MAF sensor... it uses a MAP sensor.
Secondly, if you had enough restriction in the old filter to make a difference at idle you had serious filter problems to start with. A filter change will have the least affect at idle speed and/or roughness.
Whatever the reason for your idle to "smooth out" and your fuel economy increase the filter is not the cause. It's more likely that your local gas station switched from winter to summer blend, or you changed your driving style slightly trying to justify the filter to yourself, or a hundred other things that would be more likely and logical than a filter change.
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Thanks Joe...that's the beauty of the boards. Everyone has opinions...especially on this topic. There are twenty threads about the theoretical plusses and minus' of intake modification. You can't tell me that there will be no difference in performance by intake modification. It may be positive, or it may be negative, but there
will be a change. I started building cars 25 years ago. I've worked on everything from bare bones carb engines, early fuel injection, turbo charged and super charged. As neither one of us are engineers, it's safe to safe that neither one of us can decisively predict the outcome of a particular mod without any exact data. In many cases I've worked on trial and error; what made sense in theory made no sense in the application. Sometimes things work even if you don't think they will. I can say this with certainty though, I didn't change my gas...that concept is a little small minded. There was no restriction in the previous filter as it only had 2,000 miles on it. The K&N is a freer flowing filter...period. That point, even you cannot deny. If you think so, try comparing the two side by side. As far as why Honda doesn't use these types of filters? Maybe because they require more maintenance than an ordinary double paper filter and they don't want to take the chance that the common person won't maintain them properly. As far as when the idle change happened, it was when I screwed the last screw down and started her up. I let it idle for about 5 minutes and it started to smooth out. Maybe I'm wrong, maybe you are the only one on this site who knows EXACTLY how the system is engineered. At least you can admit there is an awful lot of controversy over the topic. I started off this thread by saying that certain portions of my findings were my perception and couldn't be backed up by statistical evidence. I can say however, that I've been around cars enough to know a little.
And for those of you thinking about it...the worst case scenario, is that you won't have to buy a new filter for 1 million miles. You simply wash, rinse...repeat. Oh wait, that's wash, rinse and re-oil.
