The 4.7's have a mini-cat in each downpipe right off the manifold. The
y-pipe is really pathetic looking.
Then you have a large canister style cat after the Y.
I forgot to locate and count the O2 sensors while I was under there the
other day.
Steve Ekstrand, Pasadena, CA Driver: '00 Dakota CC SLT+ 4.7L 3.92SG 255's
Stacey's Driver: '00 Inferno Red Intrepid ES-3.2L-24V Autostick w/Leather
Race Car: 69 1/2 Road Runner 440-6 (ex-NHRA SS/GA future B or C/SA???)
Project Car: 69 Barracuda Notchback (Orig. 318, now 360w/Edelbrock Heads)
Homepage: http://sites.netscape.net/professormopar/homepage
----- Original Message -----
From: "Donny M Hayes" <donny_m_hayes@yahoo.com>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, March 15, 2000 12:53 PM
Subject: Re: DML: Cut out Cat
| Would love to do this....haven't looked at my exhaust
| much yet...do the 4.7s have 2 mini cats and one main
| cat or just the one? I did this on my old 87 Firebird
| and it really woke it up. Gonna put on my gibson this
| weekend...will have to examine my options....
|
| And in case there are any tree huggers out
| there...think about the rampant MTBE poisoning of our
| water systems before flaming.
|
| --- Dakota287@aol.com wrote:
| > Well I cut out the cat in front of my muffler
| > and now it sounds great!!
| > and it definitely has more power
| > does anyone know what the gain for HP would be ?
| >
| >
| > Andy
| > 00, CC, 4.7, 5spd, 3.92,exhaust, intake, trac bars,
| > -1 cat,
| > etc....
| >
|
| =====
| Donny M Hayes
| donny_m_hayes@yahoo.com
|
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This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:49:44 EDT