dual exhaust help
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Joined: Jul 2010
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From: Parksville BC Canada
dual exhaust help
hi, i want to put in dual straight pipe exhaust with no cat but 8inch cherry bomb glass pack, but was wondering if there is an air care/ smog sensor connected to the cat, im not really sure i just heard that some were, thanks
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From: Parksville BC Canada
is the o2 sensor just a screwed on plug thing or what, and would aftermarket headers have the plug if the o2 sensor was a plug
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If you use long tube headers , just weld a bung in the passenger side collector , any exhaust shop can do it , or with shorties just put it the pass side pipe....Lew
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From: Jacksonville FL
If your running LTs or a custom midpipe the its fine on the passenger side pipe.
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The o2 is going to have the same reading if its reading one side or both , if you use an H pipe its ussally to far back to get a good reading , the passenger side collector is the best place for the o2 , i run mine this way with no problems , so does Conanski & a ton of other guys on this fourm , this is with LT headers & custom exhaust....Lew
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From: Fayetteville, NC
well.....i think that it would be ok at best to read off of one side.......but the more info the computer has the better it runs is my thinking....
if the right side combined runs at say 14.5:1, thats not the same, or even close to a ratio of 14.68:1 combined off all 8 cylinders.....
in the whole number values, a % is a %....if you have a gallon of water with 10% blue dye added, and you split that into two half gallons, each half gallon is still 10% blue dye, your just measuring half of the total instead of the entire amount.....
but i think the measure would be a lot more accurate measuring the entire gallon....
my exhaust has a small crossover just big enough for the sensor between the down pipes right before the cat location
if the right side combined runs at say 14.5:1, thats not the same, or even close to a ratio of 14.68:1 combined off all 8 cylinders.....
in the whole number values, a % is a %....if you have a gallon of water with 10% blue dye added, and you split that into two half gallons, each half gallon is still 10% blue dye, your just measuring half of the total instead of the entire amount.....
but i think the measure would be a lot more accurate measuring the entire gallon....
my exhaust has a small crossover just big enough for the sensor between the down pipes right before the cat location