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#1
03-09-2002, 09:23 PM
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*Review* DC Sports 4-1 header
Me and about 7 of my friends, including Rick (i like naked girls) just finished installing my new DC Sports 4-1 header.
Install took 2 hrs total. Tools you will need: 10mm socket, 12mm socket, 17mm socket, phillips screwdriver, metal pipe, a pit where available First thing to do is remove the headshield which is fairly self explanitory. Next, loosen all of the bolts off of your head. After that, unsnap your exhaust sensor about 6 inches up from the sensor itself, there should be a clip there. Unbolt the header from a bracket on the lower part of the block. (That required the metal pipe after Rick swung on it for a while) Unbolt the 2 bolts that support the header near the cat. Unbolt the 2 bolts that hold it onto the cat itself. Be careful and pull it off. Unbolt the sensor from the stock header, and also twist off the donut ring and keep the stock gasket. New header slides right in and after about 3 minutes of wiggling is ready to bolt. Bolt it up so everything is snug, wipe the header down w/ mild detergent so that all oil is off of it, and start the car and listen for leaks. Last but not least, put your dipstick back in. Mine is still in my friends garage. A rubberbanded rag works fine in the meantime.  [img]http://communities.msn.com/_Secure/0LADqBBYP5EpYld82TDRATI6Ru*szFuYnYPghtgGGhODkg2sHc 2SslG8kB!w4rVqI3ocgwF8FDpo/header1.jpg[/img] ----- The gain at midrange is exactly as I expected. No more slow crawl from 5500-6500 (B16 people know what I'm talking about). It revs like its in neutral when it gets in that range. Excellent powergain, really worth the $296 shipped from www.groupbuycenter.com. (Buy from YellowTypeR, excellent pricing and service) Here's a dyno from ClubSi.com to prove my point. 
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#2
03-09-2002, 09:39 PM
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well i wouldnt say i helped that much except when i was hanging in the air on the socket wrench trying to break that bolt. or giving you guys the ingenious idea of unplugging the o2 sensor and removing it once you drop the old manifold out rather then trying to take it out while the things still on the car. all in all it would have been quiker but we were bullshitting and getting the stuck bolt off was a bitch, not to mention the compression tester getting stuck in the plug hole on that quad 4....that scared the shit outa me cause i didnt think it was comin out!!!!
good times, next we gotta put some cams in, that might take about 3 days!!!
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#4
03-09-2002, 09:55 PM
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Nice review, and the header looks pretty hot in there! Power gains look minimal, but torque gains look nice throughout the powerband
 . Does it sound any different seeing as how the engine breathes better now?
__________________
 Perky Nana Boy! I am Jack's biting sarcasm.  1990 Honda CRX Si I poach Pandas and pimp Sheep!
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#5
03-09-2002, 10:04 PM
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Yes a little bit more hiss going on.
hp gain looks small, but look at the scale of hp compared to the scale on the torque side. It amounts to 15hp and 15lbft to the wheels at 5500rpm. My peak torque is now moved up to 5500rpm now instead of 7000rpm now. The power is definitely there, no doubt.
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#6
03-09-2002, 10:08 PM
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Cool deal
You guys didn't take pics?  I wanted to see Rick's lude!
__________________
"Son, your eyes look a little red there. You've been hittin the Vtec haven't you? Alright, stand on one foot, touch your nose and say 'Third Rocker Arm'". Original PH Member (Reppin' for original PH'ers!) www.lunspeed.com www.jdmcivic.com www.sweetcarz.com 
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#7
03-09-2002, 10:16 PM
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Quote:
 . Power gains definately look good now . I hadn't thought about the scale when I was checking it out. A hissing sound is going on? Is that normal or is that something abnormal like a gasket that isn't tight enough?
__________________
Perky Nana Boy! I am Jack's biting sarcasm. 1990 Honda CRX Si I poach Pandas and pimp Sheep!
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#8
03-09-2002, 10:24 PM
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Quote:
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#9
03-09-2002, 10:26 PM
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Quote:
 )... and some of the noise from not having the dipstick in I'm sure.
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#14
03-10-2002, 02:03 AM
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not a bad job at all guys......thats going to be next upgrade.....so do you have a full exhaust system or just a muffler? and which would you recommend.
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#15
03-10-2002, 03:35 PM
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Arggh..ok ok ok...make sure go get a good pic of his N1. ANd, what was he doing taking off his shirt in your garage?
He has a full 2000 Civic Si exhuast
__________________
"Son, your eyes look a little red there. You've been hittin the Vtec haven't you? Alright, stand on one foot, touch your nose and say 'Third Rocker Arm'". Original PH Member (Reppin' for original PH'ers!) www.lunspeed.com www.jdmcivic.com www.sweetcarz.com
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