HP expected on a 2.5 upper.
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2009-2014 Cadillac CTS-V Performance Mods Discussion, HP expected on a 2.5 upper. in Cadillac CTS-V Series Forum - 2009-2014; How much HP will be added with a 2.5 upper CAI and a tune?...
  1. #1
    CavemanB52's Avatar
    CavemanB52 is offline Cadillac Owners Enthusiast
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    HP expected on a 2.5 upper.

    How much HP will be added with a 2.5 upper CAI and a tune?

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    Stillborn's Avatar
    Stillborn is offline Cadillac Owners Enthusiast
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    Re: HP expected on a 2.5 upper.

    i got 528 rwhp and 536 rwtq. 630hp at the crank is your average with this pkg. (70-90 rwhp is your target)
    get an hd 100mm idler pulley and catch-can with said work and be done with it.

  4. #3
    CavemanB52's Avatar
    CavemanB52 is offline Cadillac Owners Enthusiast
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    Got a dual catch can. And 50mm idler

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    I asume those are A6 numbers. M6 should be 30-40 hp higher

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    Houdini's Avatar
    Houdini is offline Cadillac Owners Connoisseur
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    Re: HP expected on a 2.5 upper.

    Mine put down 555 rwhp while heatsoaked pretty good. Keep in mind that I also had a mild port on the stock TB and snout. Running around 13.6 - 13.9 peak boost.

  6. #5
    CavemanB52's Avatar
    CavemanB52 is offline Cadillac Owners Enthusiast
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    I had the same in peak boost.

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    thebigjimsho is offline Cadillac Owners 10000+ Posts
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    I was at 10.8 with headers. Not with that pulley, though...


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    I would like to get it on a dyno. But there isn't one near by. I have to assum mine in also around 550 whp. I want to find a good way to remove heat. Until I get a larger intercooler headers or a meth kit. I'm going to use race gas if/when I go to the track. Daily driving I will keap to mild and and infrequent high boost. Thanks all.

  9. #8
    HUGN*RDS's Avatar
    HUGN*RDS is offline Cadillac Owners Fanatic
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    Re: HP expected on a 2.5 upper.

    Have you seen the super-chiller? I don't work for them, or even have one, but I've read a lot about it and it seems like a pretty good cooling mod. Yes stressing the air conditioner reduces power but there are switches for turning everything on and off so if you daily drive it, no problem.
    Quote Originally Posted by CavemanB52 View Post
    I would like to get it on a dyno. But there isn't one near by. I have to assum mine in also around 550 whp. I want to find a good way to remove heat. Until I get a larger intercooler headers or a meth kit. I'm going to use race gas if/when I go to the track. Daily driving I will keap to mild and and infrequent high boost. Thanks all.

  10. #9
    CavemanB52's Avatar
    CavemanB52 is offline Cadillac Owners Enthusiast
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    I was looking a a kit from Snowperformance. Their kit adjusts based off demand.

  11. #10
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    Re: HP expected on a 2.5 upper.

    True...but methanol/alchohol injection does produce internal engine deposits over extended periods of time mainly due to the non-ideal atomization of the added fluid. Ever seen the inside combustion chamber of an E-85 engine? I have. Plus you don't want to inject pre-supercharger so that either leaves you needing a blower spacer or another method to inject somewhere in that intake manifold..and make sure it goes into each cylinder equally because you can't measure that without individual exhaust-gas analyzers. just sayin'.

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