OBX RX8 Header
there is a you tube video we took of Marietta 8's car on the dyno with them glowing red hot.I would not want that type of heat around.
Glad you havent had any probs with yours.
OD
Glad you havent had any probs with yours.
OD
Yes I have seen that but remember that is on a dyno that has little air running over the header to cool it. In real life there is going to be air flowing over it if it is being pushed that much.
He also has a stock cat so it holds the heat more than a midpipe does. I noticed a difference in underhood temps when running the stock cat (it was hotter).
The oil metering harness is further away with the OBX than the stock header. That is something I was concerned about after seeing Charlie's video. I periodically checked the harness and found that it did not affect it.
He also has a stock cat so it holds the heat more than a midpipe does. I noticed a difference in underhood temps when running the stock cat (it was hotter).
The oil metering harness is further away with the OBX than the stock header. That is something I was concerned about after seeing Charlie's video. I periodically checked the harness and found that it did not affect it.
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Joined: Apr 2008
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From: Knoxville, TN
so... does anyone know where i can actually purchase an obx header? i checked ebay.
right now my car is stock and in good condition with a new reman (a GOOD one). i have access to a dyno that's cheap, and i would be happy to test out all of these things. i could start with a baseline, add a header, add a midpipe, and then add a catback.
right now my car is stock and in good condition with a new reman (a GOOD one). i have access to a dyno that's cheap, and i would be happy to test out all of these things. i could start with a baseline, add a header, add a midpipe, and then add a catback.
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Joined: Apr 2008
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From: Knoxville, TN
i think this is the first time in the history of car tuning that an OBX product has not been available for immediate purchase SOMEWHERE.
when i don't want one... they're all over the place. and when i finally do? nowhere to be found.
when i used to have a prelude, people practically gave those things away with other parts like some sort of large, metallic cereal box prize.
when i don't want one... they're all over the place. and when i finally do? nowhere to be found.
when i used to have a prelude, people practically gave those things away with other parts like some sort of large, metallic cereal box prize.
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Joined: Aug 2008
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From: Portland, Oregon
hah k so i finally got done reading this whole thread to this day, and i got some questions, mayb u guys can help me out.
k so i have a sp2 and i want to get obx headers and a k&n intake, but idk if i should get a high flow cat or a midpipe cause i love the deep sound and i have heard that midpipe changes that sound completly and makes it more like a high sound. is that true?
also in the beiginning of this thread i was reading that ecu's help along with the other after market parts like exhaust and ect..
but my question is what is the difference between piggybacks such as canzoomer and greddy emanage compared to a performance chip or a cobb access port
k so i have a sp2 and i want to get obx headers and a k&n intake, but idk if i should get a high flow cat or a midpipe cause i love the deep sound and i have heard that midpipe changes that sound completly and makes it more like a high sound. is that true?
also in the beiginning of this thread i was reading that ecu's help along with the other after market parts like exhaust and ect..
but my question is what is the difference between piggybacks such as canzoomer and greddy emanage compared to a performance chip or a cobb access port
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From: chatsworth
having the o2 in a single runner is a bad idea on a high performance N/A application. the o2 sensor works off heat changing voltage. it then sends the signal to the ecu. the ecu then corrects the air-fuel ratio to the optimum afr. i would think there would be less heat in a single runner v.s in a collector like the racingbeat design. this would change the tune of the engine, possibly for the worse.
another bad design in the obx header is the collector, if dosnt merge like the racingbeat header its simply 3 pipes that are pinched down and welded to a circle flange= shitty flow
look at the racingbeat header and you will see a smooth merge style collector, wich will flow the best.
remember in a n/a application you need a well engineered part, not just some stainless pipes that are called a header.. if you want good power gains pony up and get a racingbeat header. the most h/p money can buy in a production style rx8 header!
another bad design in the obx header is the collector, if dosnt merge like the racingbeat header its simply 3 pipes that are pinched down and welded to a circle flange= shitty flow
look at the racingbeat header and you will see a smooth merge style collector, wich will flow the best.
remember in a n/a application you need a well engineered part, not just some stainless pipes that are called a header.. if you want good power gains pony up and get a racingbeat header. the most h/p money can buy in a production style rx8 header!
Last edited by rotarystyle; Jan 24, 2009 at 05:12 PM.
U-Stink-But-I-♥-U
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From: 12 o'clock on the Beltway.
having the o2 in a single runner is a bad idea on a high performance N/A application. the o2 sensor works off heat changing voltage. it then sends the signal to the ecu. the ecu then corrects the air-fuel ratio to the optimum afr. i would think there would be less heat in a single runner v.s in a collector like the racingbeat design. this would change the tune of the engine, possibly for the worse.
another bad design in the obx header is the collector, if dosnt merge like the racingbeat header its simply 3 pipes that are pinched down and welded to a circle flange= shitty flow
look at the racingbeat header and you will see a smooth merge style collector, wich will flow the best.
remember in a n/a application you need a well engineered part, not just some stainless pipes that are called a header.. if you want good power gains pony up and get a racingbeat header. the most h/p money can buy in a production style rx8 header!
another bad design in the obx header is the collector, if dosnt merge like the racingbeat header its simply 3 pipes that are pinched down and welded to a circle flange= shitty flow
look at the racingbeat header and you will see a smooth merge style collector, wich will flow the best.
remember in a n/a application you need a well engineered part, not just some stainless pipes that are called a header.. if you want good power gains pony up and get a racingbeat header. the most h/p money can buy in a production style rx8 header!
Rotary Powered Countryboy
Joined: Feb 2007
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From: Pittsburgh
the only heat related element that is needed for the 02 sensor is to reach about 600 degress F to give a reading to the PCM before that the PCM is in open loop and dumping fuel becasue if has "no clue" what type of AFR it's producing....
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From: chatsworth
there is no way it can make more than the racingbeat header! bottom line
prove me wrong please.
hint hint, nudge nudge
Clicky
https://www.rx8club.com/rx-8-parts-sale-wanted-44/f-s-racingbeat-rx8-header-new-box-165161/
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From: San Antonio --> San Diego
