new asked before oddly enough, more boost OR more freeflowing?
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Cadillac STS-V Series Forum Discussion, new asked before oddly enough, more boost OR more freeflowing? in Cadillac V-Series Forums; which is better for our cars? currently i have a 2.55 pulley, timmyc intake, gutted cats and muffler delete. looking ...
  1. #1
    boomys10 is offline Cadillac Owners Enthusiast
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    new asked before oddly enough, more boost OR more freeflowing?

    which is better for our cars? currently i have a 2.55 pulley, timmyc intake, gutted cats and muffler delete.

    looking at one of these two options for next round:

    option ONE.
    d3 lower, new smaller upper and deka 60s

    option TWO.
    timmyc headers, MAYBE smaller upper and deka 60s

    looking to keep price at or below 1500 total, both are close, option one is a few hunderd less than option two. not sure which is a better route though. ALL will be done, just want to start planning alil better than the frist time. lol

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  3. #2
    Psycho-albanian is offline Cadillac Owners Fanatic
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    Tim is working on a crank pulley so hold off on giving d3 your money. I have timmy 2.4 pulley, headers, throttle body, and heat exchanger and they are all awesome just have to get it retuned.

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    boomys10 is offline Cadillac Owners Enthusiast
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    have you dynoed yet?

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    Psycho-albanian is offline Cadillac Owners Fanatic
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    My old numbers with d3 stage 1&2 intake, no cats, and tims 2.55 pulley made 441 hp with a tune from jesse. I've added timmys 2.4 pulley, throttle body, and heat exchanger but havent had it retuned by jesse Yet. Car drives fine no issues with timmys products happy customer here.

  6. #5
    rbzstsv is offline Cadillac Owners Fanatic
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    I also have had great success with Tims products as well. I have headers/intake/throttle body/heat exchanger/flushmount snout/ 2.44 upper with corsa axel back along with his tune. Tim has been 100% honest about all parts and has great customer service along with a full understanding of his parts. Go with Tim.. if your unsatisfied you might be UN American lol jk. Good luck with your ride. Sounds awesome BTW.

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    boomys10 is offline Cadillac Owners Enthusiast
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    i have tims stuff on it now. not concerned about that, i want to know if i should boost more or do the exhuast setup. same cost either way not sure which will get more gains.

  8. #7
    1madstsv's Avatar
    1madstsv is offline Cadillac Owners Connoisseur
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    You should do injectors big heat exchanger then smaller pulley. In that order.

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    boomys10 is offline Cadillac Owners Enthusiast
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    not arguing mad, just asking. why do you suggest that over headers? i am good with that option, saves lots of money. lol. just curious where the logic is coming from.

  10. #9
    Fierofiend is offline Cadillac Owners Fanatic
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    I'm still basically stock with the V, but on my GTP, I did the supporting mods first. Headers, intake, TB, IC upgrades, and injectors. Once that was done, then I increased blower speed. I don't know which was better, but this felt 'safer'

  11. #10
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    PGA2B is offline Cadillac Owners Connoisseur
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    I too am an Ex GTP owner and was extremely modded. My Cardomain still has my GTP on it.

    I just looked at another members log file and he is running 80* above ambient for his IAT2 temps and he was not pushing it hard. So cooling mods are important. Especially when increasing boost. I have a 2.4 pulley and run 20-30* above ambient for IAT2 crusing. With ambient temps 100-105* I only see 140-160* for temps during WOT runs and I can run back to back with only a minute or two of cool down because the upgrades work very well. Take care of your cooling to support the added boost.

  12. #11
    boomys10 is offline Cadillac Owners Enthusiast
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    i will be getting the upgraded intercooler pump this sunday, then prolly picking up the heat xchanger also. if i do the pump, xchanger and the siemens injectors and 2.4 pulley that would be a godo route? im looking for bang for buck here, tired of just dropping money and not doing it correctly.

  13. #12
    1madstsv's Avatar
    1madstsv is offline Cadillac Owners Connoisseur
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    Yep ^^ what they said you can make 20 psi and still not make good power if you over heat all the time. And at this point you might only pick up 5-10 hp with headers over what you have now. Do headers last.

  14. #13
    boomys10 is offline Cadillac Owners Enthusiast
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    alrigthy, so cooling and injectors and 2.4 it is. thanks gents.

  15. #14
    Fierofiend is offline Cadillac Owners Fanatic
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    I have the Imarine pump sitting on the shelf waiting to order my fmhe. Previous post said remove 3 bolts to reclock the housing but the 3 bolts on mine are just an impeller cover. If you use that pump, take some pics for the rest of us if you could.

  16. #15
    boomys10 is offline Cadillac Owners Enthusiast
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    Re: new asked before oddly enough, more boost OR more freeflowing?

    i will be using the same pump that gizmo uses in his xlr, as the pump is coming from him. lol. i think its a mizere or something like that.

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