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-   -   stock cat question ?? (https://www.nopistons.com/2nd-generation-specific-17/stock-cat-question-5103/)

dumarjo 09-08-2002 10:02 AM

HI all, On doing my clutch system I see that the air pipe (on the cat ) is blocked, and the pipe on the split valve (that go on tha actator 5 and 6 port) are disconnected.. This is it good for the cat ?? should I reconnect tha air pipe ??(tha actuator isn't working) but I have wiring it !

1Revvin7 09-08-2002 10:43 AM

that cats will clog w/o air getting to them, so if u still have an air pump, u should just connect the pipe, even if your ports are wired open.

Scott 89t2 09-08-2002 02:27 PM

the split air pipe only adds air to the cat while cruising in 5th gear.

dumarjo 09-08-2002 07:31 PM

this is what I thing too https://www.nopistons.com/forums/pub...IR#>/smile.png



thanx for your help everybody !!

sleeperRX7 09-08-2002 08:57 PM

just curious, are the cats possibly gutted out by any chance?

1Revvin7 09-08-2002 10:04 PM


Originally Posted by Scott 89t2' date='Sep 8 2002, 03:27 PM
the split air pipe only adds air to the cat while cruising in 5th gear.

i've heard that but never believe it. hmmmm how is this controlled?? how would it know if its in 5th gear? plz enlighten me https://www.nopistons.com/forums/pub...DIR#>/wink.png

Scott 89t2 09-08-2002 10:52 PM

the trannys have a 5th gear switch. they also run leaner in 5th gear for better highway millage. you can even see that on a A/F gauge.



the switch also stops the "shift" light from comming on while in 5th gear if you have one https://www.nopistons.com/forums/pub...IR#>/smile.png

dumarjo 09-09-2002 06:19 AM

the shift light dosen't come on my warning light ??? it's burnt or I have a missing sensor. ? where the sensor is ?


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