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ran my car open header...

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Old 05-01-2005, 04:40 PM
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Default ran my car open header...

ran my car open header and damn did it run like pure anus...it sounded turbo really cool but waay to sluggish. i raced a SE-R and lost by 2 cars from a 2nd gear roll im gonna race it again with my stock exhaust back on and see what happens!!
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Old 05-01-2005, 04:44 PM
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wat is "open header"?
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Old 05-01-2005, 07:34 PM
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now why would you do something like that?
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Old 05-02-2005, 02:09 AM
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it was 12 midnight me and my friends were bored so we decided to do it lol. And i also heard that the car got good numbers open header and i can definately say that is total bs
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Old 05-02-2005, 02:27 AM
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wow
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Old 05-02-2005, 02:39 AM
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open header = no backpressure.

no backpressure = no hp
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Old 05-02-2005, 02:40 AM
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now maybe if you had some kind of forced induction things would be different.
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Old 05-02-2005, 02:52 AM
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open headers = not smart
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Old 05-02-2005, 02:53 AM
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Did it sound really loud?
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Old 05-02-2005, 03:32 AM
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thats a good way to damage the valves and prolly some other parts... not a good idea. You need to have some back pressure.
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Old 05-02-2005, 03:46 AM
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damage valves...umm ok.
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Old 05-02-2005, 04:14 AM
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i think he meant where the headers connected to the exhaust, he unbolted
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Old 05-02-2005, 05:21 AM
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why stop there?? run an open head thats where the real power lies...
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Old 05-02-2005, 06:07 AM
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and while your at it take the intake off at the throttle body, that be a mean machine!! haha
thats suprising that you ran slower, youd think it be a little quicker... huh
and backpressure????
this is a 2.4 not a 5.8
but ill stop right there because im not going to be responsible for startng a big controversey
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Old 05-02-2005, 06:12 AM
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I think he might have meant he disconnected the s pipe, not the header from the block, but correct me if I'm wrong hilow
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Old 05-02-2005, 06:20 AM
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Originally Posted by tc is for turbo charged
open header = no backpressure.

no backpressure = no hp
thats bulllllll____.

if anything, you're missing out on torque and added some top end horsepower.
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Old 05-02-2005, 07:09 AM
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I had my s-pipe unbolted from the header and I had to move the car in my garage (it started raining all of a sudden), I started it up for a few seconds without the s-pipe connected and it was insanely loud.
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Old 05-02-2005, 05:05 PM
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Originally Posted by Mediocre Generica
Originally Posted by tc is for turbo charged
open header = no backpressure.

no backpressure = no hp
thats bulllllll____.

if anything, you're missing out on torque and added some top end horsepower.
ill quote myself...

[quote=chrisl311"]its a 2.4 not a 5.8

since he said it, not me,
my god..............backpressure?!?!?!?!?!?!
no please be so kind as to explain to me HOW backpressure ADDS horsepower?
this should be good....
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Old 05-02-2005, 05:20 PM
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lets not do this again ok?

https://www.scionlife.com/forums/vie...t=backpressure

Said and Done.
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Old 05-02-2005, 05:24 PM
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[quote=chrisl311]
Originally Posted by Mediocre Generica
Originally Posted by tc is for turbo charged
open header = no backpressure.

no backpressure = no hp
thats bulllllll____.

if anything, you're missing out on torque and added some top end horsepower.
ill quote myself...

Originally Posted by chrisl311"
its a 2.4 not a 5.8

since he said it, not me,
my god..............backpressure?!?!?!?!?!?!
no please be so kind as to explain to me HOW backpressure ADDS horsepower?
this should be good....
The reason people add headers in the first place is so the exhaust can be freeeeee. Let it breath. Back in the day, we used to add a bypass valve that would bypass the exhaust and run open headers when pulled. Push it back in and exhauset would be back in line. The 70's were pretty primitive
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