HR 2009 Cadillac CTS-V Pulley Swap/Tune/Headers x 2!
03-24-2010, 02:26 PM
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Thanks!
Zach
03-24-2010, 02:37 PM
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Will do, Zach, appreciate all of the help / advice / counsel that I can get. Due to the fact that I am in sunny Republik of Kalifornia I am having mine done by D3, but if I was anywhere in your area, I would probably have you guys do mine. Great job of documentation & pictures.
03-24-2010, 03:43 PM
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People get so caught in #'s of boost. Like the OP said boost is a measure of restriction. If the parts are not as well free flowing you will have more back preasure. Change parts and the #'s of boost might go down but you can make more power. The air just gets in more freely.
Think of it like this. You have a 1" pipe with 20lbs of preasure/boost in it and flows 300 cfm. You have a 4" pipe with 10lbs of boost that flows 350 cfm. The 4" pipe is moving more air and will make more power even though its less boost.
Now if you dont change anything on the setup and up the boost you will make more power. Take that same 4" pipe and up the boost from 10lbs to 15lbs. The cfm is being raised and that is why you make more power. Cfm measures the air going not boost. The more air in, the more power you make.
Think of it like this. You have a 1" pipe with 20lbs of preasure/boost in it and flows 300 cfm. You have a 4" pipe with 10lbs of boost that flows 350 cfm. The 4" pipe is moving more air and will make more power even though its less boost.
Now if you dont change anything on the setup and up the boost you will make more power. Take that same 4" pipe and up the boost from 10lbs to 15lbs. The cfm is being raised and that is why you make more power. Cfm measures the air going not boost. The more air in, the more power you make.
03-24-2010, 04:19 PM
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People get so caught in #'s of boost. Like the OP said boost is a measure of restriction. If the parts are not as well free flowing you will have more back preasure. Change parts and the #'s of boost might go down but you can make more power. The air just gets in more freely.
Think of it like this. You have a 1" pipe with 20lbs of preasure/boost in it and flows 300 cfm. You have a 4" pipe with 10lbs of boost that flows 350 cfm. The 4" pipe is moving more air and will make more power even though its less boost.
Now if you dont change anything on the setup and up the boost you will make more power. Take that same 4" pipe and up the boost from 10lbs to 15lbs. The cfm is being raised and that is why you make more power. Cfm measures the air going not boost. The more air in, the more power you make.
Think of it like this. You have a 1" pipe with 20lbs of preasure/boost in it and flows 300 cfm. You have a 4" pipe with 10lbs of boost that flows 350 cfm. The 4" pipe is moving more air and will make more power even though its less boost.
Now if you dont change anything on the setup and up the boost you will make more power. Take that same 4" pipe and up the boost from 10lbs to 15lbs. The cfm is being raised and that is why you make more power. Cfm measures the air going not boost. The more air in, the more power you make.
03-24-2010, 06:54 PM
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People get so caught in #'s of boost. Like the OP said boost is a measure of restriction. If the parts are not as well free flowing you will have more back preasure. Change parts and the #'s of boost might go down but you can make more power. The air just gets in more freely.
I told Darrell to order the headers and we'd put them on in the garage no problem, but he's not buying it. Whining that he'll need a retune etc.
03-31-2010, 07:20 AM
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Will do, Zach, appreciate all of the help / advice / counsel that I can get. Due to the fact that I am in sunny Republik of Kalifornia I am having mine done by D3, but if I was anywhere in your area, I would probably have you guys do mine. Great job of documentation & pictures.
Thanks man, we appreciate it!
Zach
04-05-2010, 10:38 AM
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04-11-2010, 07:44 PM
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So essentially at this HP# the headers and exhaust made 10hp and 2ftlb more for 2K+ in full exhaust. Strange how boosted vehicles act. Guess thats why turbo cars run cast manifolds and make the power they do. Along with that you would have to run a smaller pulley to make the same boost which hopefully would make more power. Just have to hope the blower doesn't start to run out of air. Can only imagine what a turbo swap would do at the same boost.
04-11-2010, 11:41 PM
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This is what I was trying to explain to Darrell with the c6 and lpe installed/tuned Maggie. He said they told him that headers would be bad for his setup, yeah right. I can't see a lingenfelter shop turning down the chance to make a killing on the sale and install of a set of headers.
I told Darrell to order the headers and we'd put them on in the garage no problem, but he's not buying it. Whining that he'll need a retune etc.
I told Darrell to order the headers and we'd put them on in the garage no problem, but he's not buying it. Whining that he'll need a retune etc.
Tell your buddy he needs to do some reading on how a blower actually makes power. It's all about volume, not pressure.
04-12-2010, 07:24 AM
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So essentially at this HP# the headers and exhaust made 10hp and 2ftlb more for 2K+ in full exhaust. Strange how boosted vehicles act. Guess thats why turbo cars run cast manifolds and make the power they do. Along with that you would have to run a smaller pulley to make the same boost which hopefully would make more power. Just have to hope the blower doesn't start to run out of air. Can only imagine what a turbo swap would do at the same boost.
Don't necessarly pay attention to peak numbers here. Check under the curve torque and power with the headers. Pretty useful gain there for a car weighing that much
Zach
06-11-2014, 08:09 PM
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06-25-2014, 10:24 AM
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They all respond differently to mods of course, but we recommend headers when doing pulley upgrades due to the fact we have saw a few of the factory converters come apart over time causing issues.
Zach
