any news on texas speed headers
Cant wait to get mine, they should be here end of the week or beginning of next week. woot! 
havent driven my car since beginning of summer and I cant wait to get these on finally and drive it!
havent driven my car since beginning of summer and I cant wait to get these on finally and drive it!
Kooks have a quality venturi spike which is a spike created by the transition from the 4 primaries into the merge collector. I know this is anecdotal evidence and I'm not sure how much this translates to our application but Maryland Speed performed a dyno test measuring Kooks' headers for the 2010-2011 Camaro and the eBay Knock-offs. Both were 1 7/8's and both looked virtually identical on the outside but the main difference was the venturi spike. (Actually, the eBay headers had a poorly constructed venturi spike). On the same car, same day, the Kooks headers and eBay headers made the same peak power but under the curve the Kooks headers picked up 5HP/8TQ.
Last edited by 02TransAm/Batmobile; Sep 22, 2011 at 02:40 PM.
That is correct, they are still aluminized. When we run out of those and get the stainless ones in, then they will start shipping stainless.
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Their orders are all shipping at the same time as ours!
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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
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POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
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It is the same design collector as our older ceramic coated headers were. No spike.
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COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
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POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Kooks have a quality venturi spike which is a spike created by the transition from the 4 primaries into the merge collector. I know this is anecdotal evidence and I'm not sure how much this translates to our application but Maryland Speed performed a dyno test measuring Kooks' headers for the 2010-2011 Camaro and the eBay Knock-offs. Both were 1 7/8's and both looked virtually identical on the outside but the main difference was the venturi spike. (Actually, the eBay headers had a poorly constructed venturi spike). On the same car, same day, the Kooks headers and eBay headers made the same peak power but under the curve the Kooks headers picked up 5HP/8TQ.
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To really quantify the gains from having a spike, you'd need to do another test comparing the Kooks header to one without the spike, such as the TSP headers being discussed here.
I think you'll find the spike helps more than you think.
In the back to back test above between the Kooks and ebay headers, both headers has collector spikes. The ebay header had a poorly constructed spike.
To really quantify the gains from having a spike, you'd need to do another test comparing the Kooks header to one without the spike, such as the TSP headers being discussed here.
I think you'll find the spike helps more than you think.
To really quantify the gains from having a spike, you'd need to do another test comparing the Kooks header to one without the spike, such as the TSP headers being discussed here.
I think you'll find the spike helps more than you think.
We did do the test on our 2010 Camaro headers versus a competitor's 1 7/8" (same primary size as ours) header with a velocity spike on our Dynojet chassis dyno. It was a very popular brand, full stainless, and we used their X-pipe as well. I'd have to dig for the graphs, but I will tell you ours made about 2hp better at peak, and .5-1hp and ftlb better from the hit all the way up under the curve. Again, we did use their X-pipe as well, but this is a very popular company that everyone loves their product for the 2010+ cars! Now I'm ready to do the engine dyno test because we can eliminate the X-pipe variable and just swap headers
__________________
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
If anybody wants to bring their favorite 4th Gen F-body header with a velocity spike down, we'll back to back engine dyno test it for everybody
We did do the test on our 2010 Camaro headers versus a competitor's 1 7/8" (same primary size as ours) header with a velocity spike on our Dynojet chassis dyno. It was a very popular brand, full stainless, and we used their X-pipe as well. I'd have to dig for the graphs, but I will tell you ours made about 2hp better at peak, and .5-1hp and ftlb better from the hit all the way up under the curve. Again, we did use their X-pipe as well, but this is a very popular company that everyone loves their product for the 2010+ cars! Now I'm ready to do the engine dyno test because we can eliminate the X-pipe variable and just swap headers
We did do the test on our 2010 Camaro headers versus a competitor's 1 7/8" (same primary size as ours) header with a velocity spike on our Dynojet chassis dyno. It was a very popular brand, full stainless, and we used their X-pipe as well. I'd have to dig for the graphs, but I will tell you ours made about 2hp better at peak, and .5-1hp and ftlb better from the hit all the way up under the curve. Again, we did use their X-pipe as well, but this is a very popular company that everyone loves their product for the 2010+ cars! Now I'm ready to do the engine dyno test because we can eliminate the X-pipe variable and just swap headers
Now that would be an awesome test! I always wanted to see, given the same primary size, how a slip-on merge collector compares to a merge collector with a velocity spike. However, couldn't you guys foot the bill? Consider it an investment. After all, if you can prove there is no or minimal gains of a velocity spike, that would mean an increase in demand for your headers.
__________________
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Tell you what, as long as you come down to witness it in person, I'll put aside all other engine dyno testing for that day just for this test. Deal?
We've got nothing to hide. We test everything we sell and know exactly the power our products make! Let me know when you're ready and I'll cover the cost of the competitor headers and all.
We've got nothing to hide. We test everything we sell and know exactly the power our products make! Let me know when you're ready and I'll cover the cost of the competitor headers and all.
__________________
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
I'm very interested in the dyno results comparing headers with and without the merge spike.