Kooks headers and Turn downs? - TCCoA Forums
 
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post #1 of 29 (permalink) Old 03-27-2008, 06:45 PM Thread Starter
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Kooks headers and Turn downs?

has any one tried to use this ? http://store.summitracing.com/partde...5&autoview=sku
http://store.summitracing.com/partde...5&autoview=sku

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post #2 of 29 (permalink) Old 03-27-2008, 08:03 PM
 
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i think thay make it easier to build the rest of of the system off a set of headers
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post #3 of 29 (permalink) Old 03-27-2008, 08:59 PM
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I had mine custom built.



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post #4 of 29 (permalink) Old 03-28-2008, 08:19 AM
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Looks expensive.

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post #5 of 29 (permalink) Old 04-03-2008, 12:14 AM
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i don't see the point in those

1997 4.6L LX SPORT, rollin on 19's
http://www.cardomain.com/ride/856858
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PI heads, PI intake, Comp 262's, Comp Valve Springs, Kooks headers, 3.73 TL, 180*T-stat, RSTB, lowered 1.5", A/C Delete Pulley, Custom exhaust. Block #2
-- SCT dyno tune 279RWHP & 310RWTQ - DD tune, SAE corrected
14.5 @ 97mph (need a higher stall, car bogged w/ stock converter + mickeys, lol)
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post #6 of 29 (permalink) Old 04-03-2008, 12:40 AM
 
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post #7 of 29 (permalink) Old 04-03-2008, 01:28 AM
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Damn Driller, you really do use every chance you can get to show off that set-up.

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post #8 of 29 (permalink) Old 04-03-2008, 07:42 AM
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He should, it's a nice set up.

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post #9 of 29 (permalink) Old 04-03-2008, 10:29 AM
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I had mine custom built.





.........................................Wow...... ........... I like that. So im guessing it isn't true that you could burn a valve with a straight exhaust? And it has to be loud.

I like it though. I may have to seal your idea, make a slight change, and say its all new!!!! J/k It does give me ideas though. How much did that cost?

And I know Im way off topic.

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post #10 of 29 (permalink) Old 04-03-2008, 12:36 PM Thread Starter
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Quote:
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i don't see the point in those
point in what ?

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post #11 of 29 (permalink) Old 04-03-2008, 01:08 PM
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Dumping the exhaust.

Years ago maybe but today an exhaust can be set up with little to no restriction. In fact it looks like there is a pretty good system on there without the cut-outs.
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post #12 of 29 (permalink) Old 04-03-2008, 05:51 PM
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The proof is at the track.

Not long after the install, I had a good opportunity to test the setup at a private rental. Open vs. closed, open was consistently faster.
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post #13 of 29 (permalink) Old 04-03-2008, 10:49 PM
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no, i meant the 6" straight pieces, kinda useless....the angled downtubes, yes


i know there's a point in dumping, lol, as i too am running cutouts....great for making lots of noise, lol, didn't make it any faster, guess i didn't put enough restrictions in my exhaust, lol



driller-thats a mighty low time for that power....what converter u runnin, how light is ur car...sorry to change the subject

1997 4.6L LX SPORT, rollin on 19's
http://www.cardomain.com/ride/856858
http://s12.photobucket.com/albums/a241/steviewonder13/
PI heads, PI intake, Comp 262's, Comp Valve Springs, Kooks headers, 3.73 TL, 180*T-stat, RSTB, lowered 1.5", A/C Delete Pulley, Custom exhaust. Block #2
-- SCT dyno tune 279RWHP & 310RWTQ - DD tune, SAE corrected
14.5 @ 97mph (need a higher stall, car bogged w/ stock converter + mickeys, lol)

Last edited by SR-71Blackbird; 04-03-2008 at 10:53 PM. Reason: can't spell
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post #14 of 29 (permalink) Old 04-04-2008, 03:51 PM
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driller-thats a mighty low time for that power....what converter u runnin, how light is ur car...sorry to change the subject
I don't think it is..I went 12.98 @ 103 with 254rwhp and at 3700lbs.
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post #15 of 29 (permalink) Old 04-04-2008, 05:02 PM
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damn...guess i really do need a new converter

1997 4.6L LX SPORT, rollin on 19's
http://www.cardomain.com/ride/856858
http://s12.photobucket.com/albums/a241/steviewonder13/
PI heads, PI intake, Comp 262's, Comp Valve Springs, Kooks headers, 3.73 TL, 180*T-stat, RSTB, lowered 1.5", A/C Delete Pulley, Custom exhaust. Block #2
-- SCT dyno tune 279RWHP & 310RWTQ - DD tune, SAE corrected
14.5 @ 97mph (need a higher stall, car bogged w/ stock converter + mickeys, lol)
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post #16 of 29 (permalink) Old 04-04-2008, 09:36 PM
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The proper question would be how heavy is the car. LOL

Race weight is generally 4050 pounds depending upon fuel level.

But in full disclosure, the 13.4 was with a negative density altitude. I generally run 13.6-13.8 depending upon the track and weather.

The remainder of the exhaust is basically wide open. I'm running Hooker's mufflers that are open straight through. The only restriction would be reversion at the cutout Y pipes when the cutouts are closed.

One of my dreams is to rig a WOT switch and timer to hold the cutouts closed for a time yet to be determined before opening the cutouts at higher rpms. I believe it would be possible to utilize more torque at the launch then less restriction to HP once the cutouts open at the higher rpms.

Quote:
...I went 12.98 @ 103 with 254rwhp and at 3700lbs.
I believe it's entirely possible to do, but I'm curious what what the RWTQ numbers were.
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post #17 of 29 (permalink) Old 04-04-2008, 10:19 PM
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I believe it's entirely possible to do, but I'm curious what what the RWTQ numbers were.
254.1 rwhp @ 5000rpms,and 297.1 ft-lbs @4200rpms.
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post #18 of 29 (permalink) Old 04-06-2008, 10:44 PM
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Quote:
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254.1 rwhp @ 5000rpms,and 297.1 ft-lbs @4200rpms.
JL
Thanks. That's damn good TQ for that HP.
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post #19 of 29 (permalink) Old 04-06-2008, 10:47 PM
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my setup.....





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post #20 of 29 (permalink) Old 04-07-2008, 12:04 AM Thread Starter
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I guess that answered my questions

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post #21 of 29 (permalink) Old 04-08-2008, 08:59 PM
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well your question was kind of incomplete.....use them with what? by themselves? as part of a full exhaust system?

they're just pipes nothing really special about them. if your having a system made up it doesn't really matter, thats the easy part of it to make, so having those won't really save you any cash

1997 4.6L LX SPORT, rollin on 19's
http://www.cardomain.com/ride/856858
http://s12.photobucket.com/albums/a241/steviewonder13/
PI heads, PI intake, Comp 262's, Comp Valve Springs, Kooks headers, 3.73 TL, 180*T-stat, RSTB, lowered 1.5", A/C Delete Pulley, Custom exhaust. Block #2
-- SCT dyno tune 279RWHP & 310RWTQ - DD tune, SAE corrected
14.5 @ 97mph (need a higher stall, car bogged w/ stock converter + mickeys, lol)
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post #22 of 29 (permalink) Old 04-21-2008, 01:50 PM
 
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my setup.....
dude dont you need a hpipe/xpipe?
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post #23 of 29 (permalink) Old 04-21-2008, 02:03 PM
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dude dont you need a hpipe/xpipe?
nope.....

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post #24 of 29 (permalink) Old 04-21-2008, 02:13 PM
 
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nope.....
y not? doesnt it help equalize the pressure and help pull the exhaust out better/scavanging? im just curious cuz i always heard it was bad.
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post #25 of 29 (permalink) Old 04-21-2008, 03:39 PM
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y not? doesnt it help equalize the pressure and help pull the exhaust out better/scavanging? im just curious cuz i always heard it was bad.
I have no need for it with my setup.
For one, as you can see my exhaust pipes are very short...around 12" of pipe per side.
I also run longtubes to help with the scavenging, and I run a carnkcase evac kit, which helps provide better ring seal...I was thinking of putting one on, but, it has been fine with out it..

in the pic, you can see on both valve covers, there is a chrome breather on each, and off of those a black hose is attatched, which leads down to the header collector.(those are part of the crankcase evac kit)


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post #26 of 29 (permalink) Old 04-22-2008, 09:17 AM
 
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I have no need for it with my setup.
For one, as you can see my exhaust pipes are very short...around 12" of pipe per side.
I also run longtubes to help with the scavenging, and I run a carnkcase evac kit, which helps provide better ring seal...I was thinking of putting one on, but, it has been fine with out it..

in the pic, you can see on both valve covers, there is a chrome breather on each, and off of those a black hose is attatched, which leads down to the header collector.(those are part of the crankcase evac kit)
hrm makes sense. your probably fine considering a lot of carbed cars run open headers as long as its calibrated for it.

on a side note, i ran my camaro open ypipe for a while and it was fine without a muffler. until i added a single bullet straight through muffler, and it picked up a boat load of low end torque. night and day difference.
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post #27 of 29 (permalink) Old 04-22-2008, 01:32 PM Thread Starter
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wow all this was really helpful and new members will find it helpful as well when they hit the search button .



NOT

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http://www.cardomain.com/ride/239875
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post #28 of 29 (permalink) Old 04-22-2008, 06:00 PM
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give em a go...all that matters is the flages align properly...now if they do or not...i dunno...ill assume your using them with a full system (as per sr-71's comment on an incomplete question)...but i think jurgens origional question was will the flanges on the turndowns match up to the flanges on the kooks headers.

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post #29 of 29 (permalink) Old 04-22-2008, 09:01 PM
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So my valves really wont get burnt! YAY!

I'm putting some on my Mark VIII in a few weeks. Should be very loud when I want it and very stock when I'm cruising 90 miles round trip to work.

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Cobra upper and lower intake, 65mm Ford Racing TB, E303 cam, opened up E7 heads, Mac headers, Magnaflow true Duals, Tragnsgo shift kit, 3.73's in an auburn posi, hardly spins the tires! I NEED MORE SPEED! Anyone have anything quicker they want to trade for? PM ME!

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