Cant decide which header System
Burning Brakes
Joined: Dec 1999
Posts: 773
Likes: 0
From: Layton Utah
I was told that with LG long tubes that you had to use O2 Sims in the post Cat O2 sensors. Is this is mainly because with LT headers that the O2 sensors are too far back for the existing harness to hook up all four sensors? How does the SW headers overcome this? Is it possible to change the length of the wires without affecting the voltage reading from the sensors?
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
I don't believe the LG's even have the bung to install the O2 sensor so you need to account for the cost of the SIMs in your budget. The SW have the bungs installed. Also, the LG's have longer tubes so the collector is farther back in the system, SW tubes are shorter so the collector is closer to the motor allowing the front O2 installation. The LG's use adapters/extensions for the new O2 sensor location.
Team Owner
Joined: May 2004
Posts: 26,345
Likes: 232
From: SoCal
Originally Posted by lightfighter
I have the Kooks and I love them....BUT....they do hang below the exhausts tunnel.
Also how are the O2 sensors delt with on the Kooks.
Thanks
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Burning Brakes
Joined: Dec 1999
Posts: 773
Likes: 0
From: Layton Utah
So are there any LT headers that allow hooking up all four O2 sensors without having to use anything outside the kit? Here in Utah, tampering with any of the emissions equipment is against the law. Therefore, if I don't have all four sensors hooked up and working, they can say that my car doesn't pass. Also I'm told I need an EO number to be sure that the headers/cats are 50 state legal. Can anybody shed any light on this?
Instructor
Joined: Oct 2002
Posts: 181
Likes: 0
From: Windham NH
Yes some header kits have all four O2s.
Originally Posted by Ron Price
So are there any LT headers that allow hooking up all four O2 sensors without having to use anything outside the kit? Here in Utah, tampering with any of the emissions equipment is against the law. Therefore, if I don't have all four sensors hooked up and working, they can say that my car doesn't pass. Also I'm told I need an EO number to be sure that the headers/cats are 50 state legal. Can anybody shed any light on this?
). So I believe the rear O2s expect different readings than the fronts. Anyhow... YES some systems have all 4 O2s! That being said... the Dynatech system is NOT CARB certified so if you need that for your state you are still out of luck. 
--Bill
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
LG's only use two O2 sensors.
Kooks, Stainless Works and QTP use four as do others.
If you need all four, then the LG's are out. Check out the three above. Kooks are harder to install and have an aluminized steel center section. Stainless Works are all stainless and are easier to install. QTP are also all stainless, very easy to install but are priced a few hundred higher although there is a special deal on them right now from QTP.
Kooks, Stainless Works and QTP use four as do others.
If you need all four, then the LG's are out. Check out the three above. Kooks are harder to install and have an aluminized steel center section. Stainless Works are all stainless and are easier to install. QTP are also all stainless, very easy to install but are priced a few hundred higher although there is a special deal on them right now from QTP.
Burning Brakes
Joined: Dec 1999
Posts: 773
Likes: 0
From: Layton Utah
Looks like it would have to be SW or QTP for me. Do you know which of these are the easiest to install and can they both be done without any cutting or welding? What about HP and torque, are they comparable to Kooks and LG? Thanks for all your help?
Burning Brakes
Joined: Jun 2004
Posts: 1,164
Likes: 0
From: Edmond Ok
Originally Posted by Ron Price
Looks like it would have to be SW or QTP for me. Do you know which of these are the easiest to install and can they both be done without any cutting or welding? What about HP and torque, are they comparable to Kooks and LG? Thanks for all your help?
Pro
Joined: Jun 2002
Posts: 726
Likes: 45
From: Marquette MI
Originally Posted by donscheffler
Which header System is the best for me.
Got a B&B Route 66, a Thunderracing 224./224. 561./561. 114 LSA Cam
and a Vararam.
Dont know if I should take the FLP, Dynatech or LG System.
What do you think which system would give me the most power?
Got a B&B Route 66, a Thunderracing 224./224. 561./561. 114 LSA Cam
and a Vararam.
Dont know if I should take the FLP, Dynatech or LG System.
What do you think which system would give me the most power?
Racer
Joined: Jan 2003
Posts: 400
Likes: 2
From: Haskell, NJ 973-513-9955
Originally Posted by Ron Price
Looks like it would have to be SW or QTP for me. Do you know which of these are the easiest to install and can they both be done without any cutting or welding? What about HP and torque, are they comparable to Kooks and LG? Thanks for all your help?
Here is a our post on the dyno numbers. Give us a call if you have any questions.
http://forums.corvetteforum.com/show...ghlight=qtp%2A