Re: MPG

From: Ed Buxton (flamin_red_dakota@yahoo.com)
Date: Tue May 02 2000 - 02:14:33 EDT


I thought about the "enjoying the new sound syndrome",
but on the last three tanks have behaved myself. On
the freeway, it is difficult to stay at 60 as there is
barely any pressure required on the pedal to cruise
that speed. Seems low end hasn't been hurt at all, it
seems to have improved slightly. That's why I went
2 1/4" out.

As for the sounds, it is nice and deep at idle. Sounds
throaty thru the lower rpms (up to 3k). After the
motor winds up some past 3k I really can't hear the
exhaust. At steady speed, any steady speed, you can't
hear it in the cab at all and no annoying resonating.

--- Aajaynefour@cs.com wrote:
> Ed,
>
> I'm about to put the same muffler on my 4.7 (3"
> in/dual 2.5" out). How do
> you like the sound of the muffler? Does it have any
> more sound than the
> stock muffler? Too quiet maybe? What are your
> impressions?
>
> As for the mileage drop ........ gee I don't know.
> Could you be leaning on
> the gas a little more "excercizing" the new exhaust
> system? It could be that
> you opened up the exhaust system too much and lost
> some of your low end (I
> hear this is easy to do on the V-6's) and are
> compensating for this loss by
> hitting the gas harder.
>
> Good idea to check the O2 sensors though.
>
> Keep us posted
>
> Andrew
>

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