My cats are totally clogged. I am sure of it. The vacuum of my engine is weak as hell, I have to rev to 5000rpm on every shift just to keep up in traffic, and my GTU tops out at 90mph, at WOT, going downhill.

The idle is fine, so I don't think that my engine is pooched, and the compression test shows a little low, but well within spec, and I can see smoke and huge amounts of heat coming off of the cats. The heat in the trans tunnel gets so bad sometimes that it surprises my fingers when I go to touch the shifter.

Question is, what is the cheapest way to eliminate the cats? I'm not looking for a super exhaust here, I just want the damn cats out from under my car!

 

Oh yeah, I almost forgot to mention that I never get more than 200 miles to a tank. Sometimes it is much less.

 

Well, looks like I found the answer to my question: http://www.rx7.com/cgi-local/2catalog.cgi?cat=4&part=2


Are the symptoms I have typical of cat failure?

 

Check out the pics & sound bite in my sig.
The whole rig came to <$300.

Crude but effective custom job by my local "barn in the woods" muffler shop.

 

Anybody else got any thoughts on the symptoms of my car?

 

Racing Beat header pre-silencer combo. Me and MAX-IMAL put it on his FC the other day. Makes for more speed and more sound Also gets rid of those nasty pussies.

Santiago

 

If only I lived in a non smog state...

 

You can always move to texas Or swap on smog day.

 

The header would make for some better noises. I don't really like the look of the brick manifold anyhow. I just can't see it flowing and scavenging too well, and it will probably become a bottleneck once I go supercharged.