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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, The Great Air Intake Challenge in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I had a typed up a post yesterday about the PCM re-learning as a factor, but I ended up not ...
  1. #16
    AmesCTS-V's Avatar
    AmesCTS-V is offline Cadillac Owners Enthusiast
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    Re: The Great Air Intake Challenge

    I had a typed up a post yesterday about the PCM re-learning as a factor, but I ended up not posting since I didn't want to add confusion to the waters. It is a factor. You should probably reset the PCM before every run. The re-learn takes a while.

    You might see a situation where you dyno stock, add CAI, dyno again and find you picked up 20hp or something. Once the PCM gets used to more air it might re-learn with more air and end up at something more like 10hp. A PCM reset would eliminate this, but using a resetted PCM isn't quite fair either...
    12 CTS-V | 12 SRX | 09 Z06 | 08 C6 Z51
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  2. #17
    HaveBlue is offline Cadillac Owners Fanatic
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by RobertCTS
    My input and it may be moot. Part of the TonyA design incorporates an attempt for ram-air at the front bumper. If the car is at a static position this will not be reflected on the dyno. Like I said, it could be a moot point if the ram-air doesn't increase the HP. We know it did for the ram-air '68 442 Oldsmobile. HaveBlue the TonyA will require you to cut a 3" hole in your airchamber flap!:disappoin

    But I must say this is a cool test using the same engine on the same dyno on the same day! Can't wait for the results.

    1968 Ram-Air Oldsmobile.

    Special 5-inch diameter hoses pick-up cool fresh air via scoops mounted between the quad head lamps (over and under the parking lamps) for the Quadrajet 4-barrel. Option was listed as dealer-installed

    I don't belive the "ram effect" will be a factor. The only way this really works is a direct shot to the intake manifold (like the SLP Firehawk hood on the Firebird). In this case it only acts to quickly fill the airbox with fresh air. The air has to turn 90° through the filter and MAF and 90° into the throttle body.

    Regard shipping costs, I've agreed to pay return shipping already.

  3. #18
    jteolis's Avatar
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    Re: The Great Air Intake Challenge

    The other thing is that on a dyno they do use High speed fans to cool the car since its a static sest, so I though the ram air would at least get some flowing air hitting it???

  4. #19
    RobertCTS's Avatar
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by jteolis
    The other thing is that on a dyno they do use High speed fans to cool the car since its a static sest, so I though the ram air would at least get some flowing air hitting it???
    JT,
    A wind Tunnel would get it done!

  5. #20
    Franchise2005 is offline Cadillac Owners Fanatic
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    Re: The Great Air Intake Challenge

    See this is great and everything and I would be very excited abotu this but yeah i own a 2.8L which is probably one of the greatest engines ever made and they make nothing for it thats bull i hate that wtf i mean come on the 2.8 needs some lovin too. I mean they make things for one of the worst engines of all time the 3.2 whichs leaks everywherer and i dont want anything that has been in a catera any wherer near my car nevermind powering it well thats my rant and long live the 2.8 and an engine has to be bad if they kill it in a year (cough cough 3.2)

  6. #21
    RobertCTS's Avatar
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by Franchise2005
    See this is great and everything and I would be very excited abotu this but yeah i own a 2.8L which is probably one of the greatest engines ever made and they make nothing for it thats bull i hate that wtf i mean come on the 2.8 needs some lovin too. I mean they make things for one of the worst engines of all time the 3.2 whichs leaks everywherer and i dont want anything that has been in a catera any wherer near my car nevermind powering it well thats my rant and long live the 2.8 and an engine has to be bad if they kill it in a year (cough cough 3.2)
    Like your "Ford is great" comment, your kidding about the 2.8, right?

  7. #22
    Franchise2005 is offline Cadillac Owners Fanatic
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    Re: The Great Air Intake Challenge

    yes i am but the 2.8 isnt the best engine around its pretty good but not nerarly the best. Btu i mean come on the 3.2 that engine is a joke.

  8. #23
    MCD40 is offline Cadillac Owners Fanatic
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by AmesCTS-V
    I had a typed up a post yesterday about the PCM re-learning as a factor, but I ended up not posting since I didn't want to add confusion to the waters. It is a factor. You should probably reset the PCM before every run. The re-learn takes a while.

    You might see a situation where you dyno stock, add CAI, dyno again and find you picked up 20hp or something. Once the PCM gets used to more air it might re-learn with more air and end up at something more like 10hp. A PCM reset would eliminate this, but using a resetted PCM isn't quite fair either...
    I was worried about this exact issue, I felt there was a pretty lengthy re-learn time after I installed my K&N. And K&N included a dyno run result sheet with the intake that said it gained 14.24hp to the wheels...which is quite a long shot. So maybe this effect has something to do with it?

  9. #24
    MCD40 is offline Cadillac Owners Fanatic
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    Re: The Great Air Intake Challenge

    HaveBlue, turns out one thing led to another and I had to leave for LA before I had a chance to take off the intake and get it shipped out to you. Worst thing is that I don't have my car with me. So I'll see if I can do that as soon as I get back on Monday.

    On that note, I've seen two good looking CTS' here already, think one of them might be a forum member. Anybody around downtown LA, 7th and Figuroa at 11:30pm Friday night? Oh yeah, and PJ, you have some fine looking women here in Los Angeles

  10. #25
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by Krank
    On that note, I've seen two good looking CTS' here already, think one of them might be a forum member. Anybody around downtown LA, 7th and Figuroa at 11:30pm Friday night? Oh yeah, and PJ, you have some fine looking women here in Los Angeles
    7th and Fig??? Not me, at least not on Friday nite...11:30 p.m. last nite I was chillin' at home with the wife after an exhausting 3 days in 113 degree weather in the CA dessert...10 a.m. saturday morning tho on my way to the gym I was at 7th and Fig...and every morning around 8:00 a.m. on my way to the office i pass 7th and Fig....As far as the women...I agree..there is a whole bunch of fine one's in LA...all i can do is look tho....the wife wouldn't go for anything else..LOL

  11. #26
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by HaveBlue
    OK, I'm willing to do the dyno runs at FAST Specialties. They've agreed to discount me some dyno time on a slow day. I'll put my stock air intake back in to baseline. I'll do multiple runs for each modification and post the dyno sheets. That way the tests will all be on the same car, on the same dyno, on the same day, on the same fuel. I'm not, however going to cut up my stock airbox or buy a K&N kit. So if you True Believers out there want a real comparative test someone needs to send me the parts. I'll pay the freight on any part back to the owner.
    Any takers? Time to put up or......
    I found a dyno shop in LA and have an appointment for next week...$75..not bad...However, my test will be of more interest to the Volant and Magnaflow forum members. I will also do another run whenever I do the ML-V mod. I know this does not help the K&N and the other intake issue, but since we seem to be getting some interest in the Magnaflow and some of us like me and DubbedStealth are already running that set up, I'll dyno and post results for that small group. I think a_user is contemplating a Magnaflow mod also...

  12. #27
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by pjohnesq
    I found a dyno shop in LA and have an appointment for next week...$75..not bad...However, my test will be of more interest to the Volant and Magnaflow forum members. I will also do another run whenever I do the ML-V mod. I know this does not help the K&N and the other intake issue, but since we seem to be getting some interest in the Magnaflow and some of us like me and DubbedStealth are already running that set up, I'll dyno and post results for that small group. I think a_user is contemplating a Magnaflow mod also...
    When next week? The only different in your car and mine is the Exhaust I have the Corsa and you have the Magnaflow maybe I can go run my CTS at the same time you think they will give us a Discount? What streets is this Dyno place on?

  13. #28
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by pjohnesq
    7th and Fig??? Not me, at least not on Friday nite...11:30 p.m. last nite I was chillin' at home with the wife after an exhausting 3 days in 113 degree weather in the CA dessert...10 a.m. saturday morning tho on my way to the gym I was at 7th and Fig...and every morning around 8:00 a.m. on my way to the office i pass 7th and Fig....As far as the women...I agree..there is a whole bunch of fine one's in LA...all i can do is look tho....the wife wouldn't go for anything else..LOL
    Just because you own the Mona Lisa doesn't mean you can't enjoy other works of art PJ.

  14. #29
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by RobertCTS
    Just because you own the Mona Lisa doesn't mean you can't enjoy other works of art PJ.
    I don't think women think the same way as men, though! Looking is fine . . . just don't let you're woman catch you at it!

  15. #30
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    Re: The Great Air Intake Challenge

    Quote Originally Posted by odysseus
    I don't think women think the same way as men, though! Looking is fine . . . just don't let you're woman catch you at it!
    I look and even comment to the wife, "Wow, she's HOT" She laughs at me and says "She wouldn't give you the time of day"

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