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2004-2007 Cadillac CTS-V Performance Mods Discussion, What mods next? Maggie? Cam? in Cadillac CTS-V Series Forum - 2004 - 2007; There is power to be had from changing the cam. Many have done it and seen nice gains. Not that ...
  1. #16
    izcain's Avatar
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    Re: What mods next? Maggie? Cam?

    There is power to be had from changing the cam.

    Many have done it and seen nice gains. Not that big of a deal to change a cam. Depends on if you mind swinging a wrench or not.

    I was just wondering since I have not seen many peoples increase with a ls9 cam so just wondering who has installed one and how did it turn out.

    ----------

    Quote Originally Posted by OneFast V View Post
    I gained 25 rwhp off an LS2 throttle body alone (on a maggie LS6) with the dyno sheets to show that. Also got my throttle body for rough $200 and adapter for $50
    Those are nice gains!

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    Re: What mods next? Maggie? Cam?

    I think a lot depends on how fast you're spinning the Maggie... I think once you reach the 500 mark that's about it for the Maggie LS6 unless you go e85 or spray... so, in my case a cam most likely isn't worth the work...

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    OneFast V is online now Cadillac Owners Enthusiast
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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by Skidmarcx View Post
    I think a lot depends on how fast you're spinning the Maggie... I think once you reach the 500 mark that's about it for the Maggie LS6 unless you go e85 or spray... so, in my case a cam most likely isn't worth the work...
    A cam would definitely help you better utilize the extra air you are pushing in the motor. the LS9 cam was designed with a blower in mind and I wouldn't be surprised if you saw close 15 whp or more with it.

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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by OneFast V View Post
    A cam would definitely help you better utilize the extra air you are pushing in the motor. the LS9 cam was designed with a blower in mind and I wouldn't be surprised if you saw close 15 whp or more with it.
    I agree it'll yield gains, but for all that money and work no thanks... cam, valve springs, oil pump, etc... all adds up

  5. #20
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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by izcain View Post
    Have you run the LS9 cam DMM?

    I have spent alot more then that chasing less then 10 hp lol
    I personally have not, although many have with good results. There are better cams to run, but the Maggie is the limiting factor so in all honesty it really doesn't make a difference.

    I'd continue with the (cheap) LS9 cam and valve springs, LS2 front cover and timing chain, OD crank balancer, 1 7/8" headers, DW300 fuel pump, and a custom tune. It will be reliable and make about the most power possible from a Maggie.

    ----------

    Quote Originally Posted by OneFast V View Post
    I gained 25 rwhp (correction: 15 rwhp) off an LS2 throttle body alone (on a maggie LS6) with the dyno sheets to show that. Also got my throttle body for rough $200 and adapter for $50
    Not likely at all. I can see 10-12whp from changes to the tune and maybe 3-5whp from the throttle body, but you didn't get 15 whp from the throttle body alone. Too many people have done this swap with little to no gain for you to be the exception. And your dyno sheet looks suspiciously odd.

    Granted, your LS6 throttle body died and you had nothing to lose since you got everything dirt cheap, I would have done the same. It's just not worth it if you are trying to upgrade and are paying full price.

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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by DMM View Post
    Not likely at all. I can see 10-12whp from changes to the tune and maybe 3-5whp from the throttle body, but you didn't get 15 whp from the throttle body alone. Too many people have done this swap with little to no gain for you to be the exception. And your dyno sheet looks suspiciously odd.

    Granted, your LS6 throttle body died and you had nothing to lose since you got everything dirt cheap, I would have done the same. It's just not worth it if you are trying to upgrade and are paying full price.
    How can it be the tune? this was the same tuner who previously tuned it. I took it back to him with the new throttle body and he updated the tune with the new throttle body. The only delta was the throttle body unless I'm missing something

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    Re: What mods next? Maggie? Cam?

    Thanks guys, I dont want to go through the hassle of pulling the heads and making the tvs fit, so I will be adding the Maggie, I thought the cam would be a good addition and give me an opportunity to check and upgrade the springs, valve train etc I am now at 90,000miles

    The mods I will be adding are below, anything else I should add or missing?
    Magnusson MP112
    LS9 Cam
    Comp Cams Trunion Upgrade
    Texas Speed Dual Valve Springs
    Cloyes/C5R timing chain
    LS2 Throttle Body/Harness

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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by OneFast V View Post
    How can it be the tune? this was the same tuner who previously tuned it. I took it back to him with the new throttle body and he updated the tune with the new throttle body. The only delta was the throttle body unless I'm missing something
    Do you know how far off the tune was after changing the throttle body? just curious.

  9. #24
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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by Johnson View Post
    Thanks guys, I dont want to go through the hassle of pulling the heads and making the tvs fit, so I will be adding the Maggie, I thought the cam would be a good addition and give me an opportunity to check and upgrade the springs, valve train etc I am now at 90,000miles

    The mods I will be adding are below, anything else I should add or missing?
    Magnusson MP112
    LS9 Cam
    Comp Cams Trunion Upgrade
    Texas Speed Dual Valve Springs
    Cloyes/C5R timing chain
    LS2 Throttle Body/Harness
    Most would say oil pump, while your there.

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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by tommy compton View Post
    Most would say oil pump, while your there.
    Any suggestions? Katech? Melling? Is there one vendor that carries everything for our cars or do I need to piece this together from different vendors.

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    Re: What mods next? Maggie? Cam?

    I would also invest in a quality aftermarket balancer. The stock ones suck and they suck worse when they are already pinned.

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    Re: What mods next? Maggie? Cam?

    I went with Melling hi pressure, you can get all your after at texas speed, minus the ls9 cam (they could probably get one for you?)
    Katech are known for their pumps too, but I opted for Melling because I was already getting parts from Texas speed.

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    Quote Originally Posted by Johnson View Post
    Thanks guys, I dont want to go through the hassle of pulling the heads and making the tvs fit, so I will be adding the Maggie, I thought the cam would be a good addition and give me an opportunity to check and upgrade the springs, valve train etc I am now at 90,000miles

    The mods I will be adding are below, anything else I should add or missing?
    Magnusson MP112
    LS9 Cam
    Comp Cams Trunion Upgrade
    Texas Speed Dual Valve Springs
    Cloyes/C5R timing chain
    LS2 Throttle Body/Harness
    I think this is a given but pushrods? Everything else sounds good.

  14. #29
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    Quote Originally Posted by izcain
    I would also invest in a quality aftermarket balancer. The stock ones suck and they suck worse when they are already pinned.
    I agree... Might as well get the Innovators West overdrive balancer... Their pinning kit is easy to install too

  15. #30
    OneFast V is online now Cadillac Owners Enthusiast
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    Re: What mods next? Maggie? Cam?

    Quote Originally Posted by izcain View Post
    Do you know how far off the tune was after changing the throttle body? just curious.
    Drove it to the tuner with the new throttle body and no new tune. It ran great so I assume it didn't need much adjusting.

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