LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Kook's 1 7/8" headers now installed - info/thoughts inside

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Old Dec 15, 2004 | 07:48 PM
  #16  
Birdie2000's Avatar
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

The ground clearance looks very good with those headers, Y-pipe looks good too.
Old Dec 15, 2004 | 07:54 PM
  #17  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

Those headers look great. What other mods do you have that you need 1 7/8" headers?
Old Dec 15, 2004 | 08:05 PM
  #18  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

Originally Posted by WayneE
Those headers look great. What other mods do you have that you need 1 7/8" headers?
They're 1 3/4" stepped to 1 7/8". It's pretty much stock for now..just K&N CAI and flowmaster exhaust. In a month or two I'm gonna put some AFR heads on it with a solid roller along with some nitrous I wanted to do the header's now for a little more LT1 fun, and at the same time chose the stepped 1 7/8" for the upcoming mods.

Edit* BTW Before I had these headers installed, the car would slightly push you CLOSER towards the back of your seat. It now PUTS you into the back of your seat.

Last edited by 94sinister; Dec 15, 2004 at 08:22 PM.
Old Dec 16, 2004 | 05:22 AM
  #19  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

I am assuming that you are at stock ride height, right? How is ground clearance? It looks like it is pretty good, but the pictures are all angled up at the headers so it is hard to tell how far they sit down from the body. It was the best way to take pics so that we can see the headers though.... How much farther down do they sit as opposed to the stock stuff? I am lowered and really want LT's. These might be the answer, but I have had my cat drag once, so they can't be much lower than that for me to be able to make them work for me.

TIA
Old Dec 16, 2004 | 06:45 AM
  #20  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

Those look awesome!
Old Dec 16, 2004 | 07:48 AM
  #21  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

That is a lot of header for a stock car.

I would be surprised if your making more power. The mind is a cruel beast.

Looks good though.
Old Dec 16, 2004 | 09:46 AM
  #22  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

Once I get these EGR valves hooked up there's only one way to truly see if the car is faster
Old Dec 16, 2004 | 10:03 AM
  #23  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

Yes, the Kooks headers come in 2 forms, with our without air tube fittings. The headers were made on a 96 I believe, and so like everyone on here has said, you will need to use the home depot adaptors to make them work on the older cars. Not a big deal. You can do it any way you want too, but the adaptors are the easiest fix..

Look forward to seeing how they do on your basically bone stock Z28. Keep us informed on dyno numbers, and if anybody is interested in purchasing a set like Gabe has, just give us a call. 281-448-1300.

Chuck
Old Dec 16, 2004 | 10:28 AM
  #24  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

Those look great. I would have had them coated to cut the heat down but plug access looks really good. Once I get sick of mt Hookers then I'll be looking for some myself...looks great
Old Dec 16, 2004 | 10:51 PM
  #25  
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Smile Re: Kook's 1 7/8" headers now installed - info/thoughts inside

I don't understand why the passenger side O2 bung is facing the rocker panel instead of facing the transmission? I have seen other stepped headers that look much cleaner (less welds because of more one piece tubing). Seems like a lot of work to do when you are going to heads shortly. But at least the headers will go on quicker the 2nd time around. Being that this motor is stock displacement, it would be interesting to see what type of gains are made with a stepped header.

Last edited by BADST95; Dec 17, 2004 at 10:15 AM.
Old Dec 16, 2004 | 11:05 PM
  #26  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

I just recently got the AIR tubes connected with a 7/8" nut..it sealed decently and just now put some steel putty around the nut so hopefully it won't leak at all. I'll find out tomorrow...if it still leaks then I'll just get the bastard welded onto the header. Now that there's no exhaust noises coming from under the hood, damn this car sounds much better. If anyone can host, I'll take a short vid of these headers running through Kook's 3" ORY and flowmaster muffler.

Last edited by 94sinister; Dec 16, 2004 at 11:07 PM.
Old Dec 17, 2004 | 01:48 AM
  #27  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

I want to know how that slip fit works out from the collector to the y-pipe. I know more people that leak around there than anywhere else. Nothing a bead of RTV couldn't solve though.

Those would look and perform very nicely on my 396. Wonder how much of gain in comparison to my FLP's?
Old Dec 17, 2004 | 09:11 AM
  #28  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

lookin good
Old Dec 17, 2004 | 11:30 AM
  #29  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

Looks good, but I'm still having a hard time with the reasoning behind pulling the steering knuckles to install your headers.
Old Dec 17, 2004 | 01:10 PM
  #30  
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Re: Kook's 1 7/8" headers now installed - info/thoughts inside

wow, nice looking headers. what does a set of those cost with the Ypipe?



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