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Glowing red pre-cat

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Old 11-18-02, 04:09 PM
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Speed Mach Go Go Go

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Glowing red pre-cat

This is actually for my bud that has an auto with a tri-poit hi-flow pre-cat.

I know his injectors are leaking, so if unburnt gas hits the cat it can glow like a charcoal which has happened in my Honda.

Could it also glow like a bbq charcoal if it's clogged?

Anyhow if you've had a similar experience can you post and i'll foward it to him? Thanks.

Oh, are any of you Auto' guys running a down pipe?
Old 11-18-02, 04:14 PM
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Everyone should have a DP!
Old 11-18-02, 04:14 PM
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I've noticed the same thing. I think it may just be the way the car is supposed to be... I've replaced my pre-cat with a DP, the O2 sensor, the main cat is fine on visual, and I boost 12-10-12 (but only very occaisonally). I've just posted another thread on this, let's see what other people think of my lame ideas...
Old 11-18-02, 04:25 PM
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Speed Mach Go Go Go

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Well he doesn't have an upgraded or aftermarket ECU. He has intake, exhaust and Efini y-pipe, so i'm not sure if he will boost over 11lbs.

My pre-cat never glowed charcoal red hot.
Old 11-18-02, 04:40 PM
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Originally posted by GoRacer
Well he doesn't have an upgraded or aftermarket ECU. He has intake, exhaust and Efini y-pipe, so i'm not sure if he will boost over 11lbs.
....
I have all that + the DP and a STREETPORT on my Auto equipped FD3s w stock ecu (see sig) your friend should have No problem maintaining 10psi boost as long as he keeps the STOCK Cat. he may need to put in a larger pill (or open up the nipple on the wastegate actuator) and/or add a Home Depot or Daws Device type boost control valve.




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