Subject	Myth
Posted by	96300NAZ on February 13, 2008 at 3:01 PM
	This message has been viewed 63 times.
In Reply To	"Or drive it blow it up with no back pressure on the motor" posted by fantomZ(OH) on February 13, 2008 at 02:37 PM
Message	I'm pretty sure this stemmed from the carbuerated days. It was stated that if you ran open headers (reducing backpressure) air would be pulled back through your exhaust valves creating lean conditions coincidentally burning exhaust valves. With fuel injection came the ability to compensate for lean conditions via ECU sending out more fuel thus reducing the heat in the motor cause by lean burns. in my avid 4cyl mazda motor days this question always arose, however i've yet to see a fuel injected car suffer severe damage from no exhaust. as for how the z's exhaust and emissions work, my hands are up.
Follow Ups	should i have a problem - RedTTZ91(OK) 14:21:43 02/13/08 It would be to loud you'd end up with a ticket - Nis300owner 14:27:39 02/13/08 "Or drive it blow it up with no back pressure on the motor" - fantomZ(OH) 14:37:28 02/13/08 2nd. (n/m) - TriniTT 14:52:43 02/13/08 Myth - 96300NAZ 15:01:20 02/13/08 lol (n/m) - ztunerz 15:48:47 02/13/08 the need for backpressure is a myth (n/m) - aliaZ 15:05:36 02/13/08 unless it's a 2-stroke (n/m) - fantomZ(OH) 15:19:56 02/13/08 It's still an oversimplification of flow-dynamics. - Kenny 15:52:06 02/13/08 It's not advideable to dump hot exhaust gas directly on to - Bernie (NoVA) 14:32:50 02/13/08 Not to mention exhaust seeping into the cabin (n/m) - Broke_as_**** 14:39:53 02/13/08 Re: Not to mention exhaust seeping into the cabin - Bellaco 15:22:49 02/13/08 You could get away with using a gasket sealer - TTFairladyZ 14:43:32 02/13/08 Then you'd have a goopy mess to clean up - TriniTT 14:54:55 02/13/08 I've seen it done on mid-pipe to cat-back - TTFairladyZ 15:00:06 02/13/08 It would work great if the copper Permatex is used (n/m) - John@z1 16:08:54 02/13/08 can you not get the gaskets from autozone or something? (n/m) - BradleyTT(OK) 14:58:23 02/13/08 You could surely source exhaust gaskets locally can't you? (n/m) - 550HPTT 15:16:55 02/13/08 echo?? (n/m) - BradleyTT(OK) 15:22:51 02/13/08 I seen that afterwards.... it happens (n/m) - 550HPTT 15:26:22 02/13/08 LOL (n/m) - BradleyTT(OK) 15:27:46 02/13/08 *saw - SactoTodd 15:29:03 02/13/08 Blah blah blah - 550HPTT 15:41:25 02/13/08 future* (n/m) - Kenny 15:45:30 02/13/08 ..... Grammar and proof reading (n/m) - 550HPTT 15:58:32 02/13/08 > you (n/m) - ENVYMYZ 19:51:46 02/13/08 ummmmm..can we just post about cars? - 550HPTT 20:06:31 02/13/08 I'd rather have small exhaust leak from the gasket - J-Mart 15:24:04 02/13/08 After a recent search of your past posts, - TriniTT 23:05:22 02/13/08
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