how many people here still have cat's ?
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04-07-2008
how many people here still have cat's ?
04-08-2008
Originally Posted by IndeedSS
As far as intake runners, wouldn't the little amount of coating from the EGR smooth the rough texture and be the equivalent of low budget polishing?
You know i have seen this (on intake and exhaust ports) and wondered the exact same thing lol
04-08-2008
If someone has one and doesent need it (emissions wise) I think it is removed asap....I know i did...I have never lived in a state that required emissions thank god!!
Good info as i did not even think of that (as far as the ic getting cloged up)
and may be bennefictial of me knowing since i may be ic'ed soon
04-08-2008
when you idle the cat gets hotter (you tend to run a bit richer, and they were designed to have airflow) that is what they always told us in the tech classes, and even when I went to independent shops the muffler reps all said the same (walker claimed over 75% of failures were due to letting the car sit and idle)
04-08-2008
Weird....See, I was reading about this yesterday (and I'm not wanting to argue here)
The converter hardly does anything while idling, in fact the emissions are through the roof when idling. The best way to warm up a catalytic converter is to drive the vehicle.
I don't know....like I said, I was just curious.
04-08-2008
I have seen cats glow, but can't say for sure they were fine before the "test"
04-08-2008
actually i have read that cats are more likely to go out while at idle i locked my keys in my car about 4 years ago and it took about 3 hrs before they could get to me so i waited and the shops along with the lock smith and friends said that i was lucky that i didn't burn up the cat
05-22-2012
Correct me if im wrong but dont you still have 5 other cylinders running through the cat. the egr valve is only on the cylinder number 6 right? it just dosnt seem like the pressure from the other exhaust ports will travel up against the pressure of number six since it looks for the esiest way out.. but i am running no cat so less backpressure with that and headersIt's only a thought in print. When I took my blower apart last week I noticed the slight oily film around the EGR port. It occured to me that if I still had my EGR blocked where would that stuff go?
05-23-2012
Um... No IIRC egr feeds into the blower case.. Well it goes into the lim first... THEN into the inlet of the blower case.
05-23-2012
lol, backpressure.
05-23-2012
Nick you would not BELIEVE how many people insist it is real..... Right up until I can tell them how to check..,
05-23-2012
It's all about exhaust scavaging.
People need to research.
05-23-2012
What was the purpose of reviving this old thing???
Get headers, install IC, remove EGR, re-tune... winning.
/thread
Originally Posted by AmericanSoldier
05-27-2012
uhm thats why i said correct me if im wrong im learning here were all human. but i guess some others just know all and im not one of them ... My bad.
05-27-2012
Holy old thread batman!!!!!!!!
05-27-2012
There is pressure though. :/
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