Any gains going from Kooks 1 3/4 LT's to TSP 1 7/8 LT's?
#22
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You'll gain power. It's been tested and the later primaries did gain power.
#23
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I've never seen a test vs 1 3/4", 1 7/8" and 2" on an LS1. The one I saw was an LS3 and the 2" did make the most power.
The 1 7/8" will definitely shine the further you mod the car. I've done a swap between 1 3/4" and 1 7/8" when I had H/C/I/E. Both sets were Kooks and on the same dyno. I saw a 20 rwhp and 15 rwtq increase.
The 1 7/8" will definitely shine the further you mod the car. I've done a swap between 1 3/4" and 1 7/8" when I had H/C/I/E. Both sets were Kooks and on the same dyno. I saw a 20 rwhp and 15 rwtq increase.
#27
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I've never seen a test vs 1 3/4", 1 7/8" and 2" on an LS1. The one I saw was an LS3 and the 2" did make the most power.
The 1 7/8" will definitely shine the further you mod the car. I've done a swap between 1 3/4" and 1 7/8" when I had H/C/I/E. Both sets were Kooks and on the same dyno. I saw a 20 rwhp and 15 rwtq increase.
The 1 7/8" will definitely shine the further you mod the car. I've done a swap between 1 3/4" and 1 7/8" when I had H/C/I/E. Both sets were Kooks and on the same dyno. I saw a 20 rwhp and 15 rwtq increase.
#29
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Just to clear up some misinformation about our headers.
1. We didn't copy anyone. It has taken us a couple of months with our New C7 Vette in the shop while having custom headers made up for it from scratch. I bet 8 sets where scrapped due to the builder not being happy with them as we have to make sure they install fairly easily and not just make power. We build them, then we have them mass produced. Our collector location on the F-Bodies is in the same location as Pacesetter as that is what we originally designed our True dual set up to mount up to.
2. Our headers are not the same headers as OBX or any other e-bay header.
All of that being said, when we re-designed our 1-7/8" header we put a very good collector on it with a spike merge collector. You would see gains going to the 1-7/8" TSP headers over the 1-3/4" set up. If it was me, personally, I would sell the Kooks and you'd have enough money for the TSP 1-7/8" headers and a little change left over to put toward other goodies.
Lonnie
1. We didn't copy anyone. It has taken us a couple of months with our New C7 Vette in the shop while having custom headers made up for it from scratch. I bet 8 sets where scrapped due to the builder not being happy with them as we have to make sure they install fairly easily and not just make power. We build them, then we have them mass produced. Our collector location on the F-Bodies is in the same location as Pacesetter as that is what we originally designed our True dual set up to mount up to.
2. Our headers are not the same headers as OBX or any other e-bay header.
All of that being said, when we re-designed our 1-7/8" header we put a very good collector on it with a spike merge collector. You would see gains going to the 1-7/8" TSP headers over the 1-3/4" set up. If it was me, personally, I would sell the Kooks and you'd have enough money for the TSP 1-7/8" headers and a little change left over to put toward other goodies.
Lonnie
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All of that being said, when we re-designed our 1-7/8" header we put a very good collector on it with a spike merge collector. You would see gains going to the 1-7/8" TSP headers over the 1-3/4" set up. If it was me, personally, I would sell the Kooks and you'd have enough money for the TSP 1-7/8" headers and a little change left over to put toward other goodies.
Lonnie
I can sell Kooks 1 3/4 LT's, Kooks 3in ORY, 3in Stainless e cutout, and a stainless magnaflow catback.
I want to buy TSP 1 7/8 LT's, new header gaskets, and the TSP true duals.