Airaid CAI and tune on a stock CTS V coupe 6-sppeed results
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2009-2014 Cadillac CTS-V Performance Mods Discussion, Airaid CAI and tune on a stock CTS V coupe 6-sppeed results in Cadillac CTS-V Series Forum - 2009-2014; Yesterday I was at RPM Motors in Santa Clarita, to get an AIRAID CAI and a tune on my 2012 ...
  1. #1
    Trainman SRT-10 is offline Cadillac Owners Member
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    Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Yesterday I was at RPM Motors in Santa Clarita, to get an AIRAID CAI and a tune on my 2012 CTS V Coupe (6-speed manual). Really nice gains , Same dyno (Dynomite, SAE correction, similar to a Dynojet in calibration).
    Pure stock the rev limiter is at 6200 (or so) and I had them raise it slightly . Here are the results ( and we didn't put in a 160 Therm).

    RPM......Pure Stock RWHP.....Airaid RWHP......Gain.........Pure Stock RWTQ......Airaid RWTQ .....Gain
    2600.........212.9....................213.9....... ......+1.0................. 430.1..............432.0............+ 1.9
    3000.........253.4....................265.7....... .....+12.3................ 443.6.............. 465.2...........+21.6
    3500.........307.9....................321.7....... .....+13.8.................462.0..............482. 8............+20.8
    4000.........349.1....................372.6....... .....+23.5.................458.3..............489. 2............+30.9
    4500.........387.2....................416.7....... .....+29.5.................452.1..............486. 6............+34.5
    5000.........409.3....................453.1....... .....+43.8.................430.0..............475. 9............+45.9
    5500.........431.6....................477.2....... .....+45.6.................411.9..............455. 6............+43.7
    6000.........451.5....................500.3....... .....+48.8.................395.1..............437. 9............+42.8
    6200.........458.6....................507.2....... .....+48.6.................388.4..............429. 7............+41.3
    6500..........NA.......................515.3...... ................................NA................ ..416.3...................
    6600..........NA.......................515.6...... ................................NA................ ..410.3...................

    I'm really pleased. Pure stock peak numbers were 458.6 rwhp and 463.1 rwtq, and after AIRAID and Tune, 515.6 rwhp and 489.3 rwtq.
    AFR ratio was constant at 11.7 after tune and the boost was steady at 8.1 PSI across the board.

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  3. #2
    Houdini's Avatar
    Houdini is offline Cadillac Owners Connoisseur
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Nice results! I think stock should be closer to 9 PSI.... you might want to check that out.

  4. #3
    austin's Avatar
    austin is offline Cadillac Owners Connoisseur
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    Nice....

    Which Airaid are you using, what is the part number... Dry or Wet filter?

  5. #4
    Trainman SRT-10 is offline Cadillac Owners Member
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Quote Originally Posted by austin View Post
    Nice....

    Which Airaid are you using, what is the part number... Dry or Wet filter?
    Airaid 251-253, dry filter, plastic tube.

    ----------

    Quote Originally Posted by Houdini View Post
    Nice results! I think stock should be closer to 9 PSI.... you might want to check that out.
    I checked the printout that had a numerical breakdown every 100 rpm and it did creep up to 9.1 at the end. I asked about that and they said it was probably due to a restriction in the stock exhaust and cats causing a rise in the cylinder pressure at a high volume moving through at higher rpm. Here's a breakdown at the higher rpm's: 5800=8.216, 5900=8.238, 6000=8.283, 6100=8.358, 6200=8.460, 6300=8.572, 6400=8.694, 6500=8.835, 6600= 8.995, 6700= 9.185.

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    austin's Avatar
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    Quote Originally Posted by Trainman SRT-10
    Here's a breakdown at the higher rpm's: 5800=8.216, 5900=8.238, 6000=8.283, 6100=8.358, 6200=8.460, 6300=8.572, 6400=8.694, 6500=8.835, 6600= 8.995, 6700= 9.185.
    I'm surprised your tuner raised the rev limit that high and dyno tested it at 6700rpm... I can see raising it an extra 200rpm, but to 6700rpm.. He must be thinking you have the same internals as a LS9. It's a nice run and ill give you that, but looking out for your own good I think it's way too risky to keep running a stock LSA at 6700rpm. On another note, great comparison of the Stock run vs Airaid run thanks alot for that.

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    UBNZO6D is offline Cadillac Owners Member
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Charlie raises to the customer request...It does not mean that Jerry revs it that high as I'm sure he shifts when it stops making good power...

    Greg

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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Quote Originally Posted by UBNZO6D View Post
    Charlie raises to the customer request...It does not mean that Jerry revs it that high as I'm sure he shifts when it stops making good power...

    Greg
    Seems odd to dyno it that high unless the owner secifically requested a 6700+ limit - and then there's the whole "free advice" thing from an experienced tuner. OP describes his request as raising it as "slightly," so I agree it probably was specifically OP's request... it just seems like someone would say "how about 6400 RPM on stock springs - you know, just to not press your luck?"

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    Trainman SRT-10 is offline Cadillac Owners Member
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Quote Originally Posted by UBNZO6D View Post
    Charlie raises to the customer request...It does not mean that Jerry revs it that high as I'm sure he shifts when it stops making good power...

    Greg
    I only asked it be raised, I did not ask for a specific RPM limit. The car is still making power at 6600 rpm (peak power). At the latest test and tune I power shifted at 6500 (as best I can tell from the factory tach) each time still pulling and no loss of power. Once I get the launch down better my times will improve, as my MPH show good power and 11 second ET potential. Best run: DA 1250', 60' 2.055 (street tires), 1/8th mile 8.07 @ 93.16, 1/4 mile 12.240 @ 118.91 mph.

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    mrkool is offline Cadillac Owners Fanatic
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    so if you don't get a tune do you still get these kind of numbers from just a CAI?

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    Trainman SRT-10 is offline Cadillac Owners Member
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Probably not.

  12. #11
    austin's Avatar
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    Quote Originally Posted by mrkool
    so if you don't get a tune do you still get these kind of numbers from just a CAI?
    http://youtu.be/NIwuW1ovkW4

  13. #12
    Gary Wells is offline Cadillac Owners Connoisseur
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Quote Originally Posted by mrkool View Post
    so if you don't get a tune do you still get these kind of numbers from just a CAI?
    Without the tune, try about 6-7 RWHP at best.

    ----------

    Previously posted by user name "newcadman" on this forum on 07-31-2010

    P07-31-2010: 06:53 PM: newcadman: Re: All KPE CAI owners: As indicated I took my 2009 V -auto- V (7000 miles) to the same (dynojet) dyno where it was previously tested when it was bone stock…………… Three pulls were made with the now installed KPE cai. End result, the -engine- made 8 MORE rwhp on its best pull than it did on its previous best bone stock pull.

  14. #13
    austin's Avatar
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    Quote Originally Posted by Trainman SRT-10

    I only asked it be raised, I did not ask for a specific RPM limit. The car is still making power at 6600 rpm (peak power). At the latest test and tune I power shifted at 6500 (as best I can tell from the factory tach) each time still pulling and no loss of power. Once I get the launch down better my times will improve, as my MPH show good power and 11 second ET potential. Best run: DA 1250', 60' 2.055 (street tires), 1/8th mile 8.07 @ 93.16, 1/4 mile 12.240 @ 118.91 mph.
    I may have to take back my concerns..... I searched for a LSA Crate motor and in the details section it has 6600rpm as the max recommended rev limit. Everywhere I looked had 6600rpm as the max recommended limit. That is from GM's own LSA the spec sheet.

    http://www.chevroletperformance.com/...1708&engCat=ls

    http://www.jegs.com/p/Chevrolet-Perf...22868/10002/-1

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    UBNZO6D is offline Cadillac Owners Member
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    I think he's referring to the ET & MPH...

  16. #15
    gaduser is offline Cadillac Owners Member
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    Re: Airaid CAI and tune on a stock CTS V coupe 6-sppeed results

    Nice improvement. So far, my 2011 Coupe is stock. However, I wonder if my exhaust is right.

    While looking over the underside of my V Coupe, I noticed that the cross section of the left exhaust pipe is quite oval, while the right is circular. That is in the area immediately behind the flange where the pipe becomes parallel to the ground. The height of the left pipe section is about 1.7 inches while the right is about 2.5 inches, the pipe diameter.

    That really seems odd for a high performance system. Since the two sides are so symmetrical, I would expect the pipe dimensions to be very similar at each point. Further, I expect that symmetry was actually chosen to provide good back pressure balance over the operating range.

    How does your's look? I would really appreciate hearing.

    Regards,

    gad

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