Open headers question
#1
JK Freak
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Open headers question
I just watched a few vids on open header on youtube, DAMN they sound sweet. What are open headers exaclty maybe someone could help? and how do open headers sound on 6cyl? you know where am getng, can't a jk sound like that?
#2
JK Super Freak
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open headers on a race car, something with a big stroker or all out top-fuel or funny cars are designed to run like that and sound good, your JK 3.8L will never sound like the videos you just watched, it will sound like crap open headers just due to the wienie sized cubes we have with these engines.
Last edited by SASQUATCH; 04-28-2008 at 12:00 PM.
#3
JK Freak
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open headers on a race car, something with a big stroker or all out top-fuel or funny cars are designed to run like that without hurting the exhaust valves, seats, etc.
Your JK 3.8L will never sound like the videos you just watched, it will sound like crap open headers just due to the wienie sized cubes we have with these engines.
Your JK 3.8L will never sound like the videos you just watched, it will sound like crap open headers just due to the wienie sized cubes we have with these engines.
#5
JK Super Freak
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Here is my racecar, 396 stroker, open headers.
http://s36.photobucket.com/albums/e5...MAR2007010.flv
Last edited by SASQUATCH; 04-28-2008 at 11:59 AM.
#6
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you wouldn't want to do that to a stock mustang much less anything else. By definition of open-header it means just that, headers only and you do that on most stock engines it's going to cause damage. Key is having the right backpressure, if you ran a cutout back by the axle it would be ok, enough backpressure, it would just sound like a redneck pickup truck with glasspacks.
Here is my racecar, 396 stroker, open headers.
http://s36.photobucket.com/albums/e5...MAR2007010.flv
Here is my racecar, 396 stroker, open headers.
http://s36.photobucket.com/albums/e5...MAR2007010.flv
#7
you wouldn't want to do that to a stock mustang much less anything else. By definition of open-header it means just that, headers only and you do that on most stock engines it's going to cause damage. Key is having the right backpressure, if you ran a cutout back by the axle it would be ok, enough backpressure, it would just sound like a redneck pickup truck with glasspacks.
Here is my racecar, 396 stroker, open headers.
http://s36.photobucket.com/albums/e5...MAR2007010.flv
Here is my racecar, 396 stroker, open headers.
http://s36.photobucket.com/albums/e5...MAR2007010.flv
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#9
JK Super Freak
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Backpressure you are correct. But running open headers isnt going to do anything to hurt the motor. You might, get fumes comming inside the car, or start a small fire on something under the car. But by no means is running and open header going to do anything what so ever to hurt your motor or valves (as you said)
Now to the original poster, put an LS7 in your JK and she'll sound just fine with a little exhaust work
Last edited by SASQUATCH; 04-28-2008 at 12:00 PM.
#10
JK Freak
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not sure what a JK would sound like but i have heard a v6 run in a mitsubishi montero with nothing but exhaust manifolds and although it didnt have the same good beat as a small block chevy, it sounded pretty mean. We didnt really rev it much so i dont know if it would have sounded like a ricer back firing lol