I have an 04 XLT 5.4l.
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The AFE looks like it could have modified the MAF environment, which is a potential source of destructive trouble, but Bill's tunes can compensate for that.
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Yeah that's what everyone says, which is why I'm getting a tuner to
counteract it. I see. I've seen some gains from this intake so I don't
really want to replace the old one back in, it actually has a crack on
the box of the airfilter (stock). I've noticed better throttle response.
As far as MPG when I had the stock intake I went 356 miles, and the
afe took me to 382. I drive pretty consistently so I love the difference
that it has given me. But thanks for giving me a break down for stock
intake. I appreciate it. I just always thought it looked pretty restrictive
with all those chambers.
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The passing performance was greatly improved and I am certain I've gained in the fuel economy area. The "feeling of power" is a bit more subjective, but I think I've gained there too.
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That's exactly what I was looking for, I wanted a little more gain in the
mpg. I know the power is not really reliable because anyone who buys
something expects to see some improvement so they do "see it" if that
makes sense. Like the placebo effect. But one could speculate that there
will be some gain "power" wise.
Okay, I'll stop editing my posts. I just didn't want to keep on putting
new posts, so I just added on.
I was thinking of that, but I regularly put in 89 myself. I know it's not
necessarily better gas I just wanted a little more oomph you could say
when I accelerate. I ordered 91 because at the bottom of the gryphon
php page I got confused with the red paragraph saying it's better to get
87 and 91 instead of 89 and 91. So I thought that they were saying that
I shouldn't get the same octane for both custom tunes or I'd be wasting
my money kind of thing.
I know my motorcycle can't get anything lower than 91 because it would
put too much wear on my engine. 01 CBR. I didn't realy know that but
you learn something new. I actually thought they just burned easier.
Thanks Jack for your input and information it is invaluable to me and
appreciate the time you put into replying to me.