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2004-2007 Cadillac CTS-V General Discussion Discussion, Fan blade upgrade in Cadillac CTS-V Series Forum - 2004 - 2007; The fans are setup for a 180 stat so i dont burn them out, once in motion the rad should ...
  1. #16
    Naf's Avatar
    Naf
    Naf is offline Cadillac Owners Connoisseur
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    Re: Fan blade upgrade

    The fans are setup for a 180 stat so i dont burn them out, once in motion the rad should cool it self to 160.

    I will look into the Water vapor system first. its only a couple hundred bucks.

    That might be my problem with the High Compression heads and ported too. so there is no meat to protect the water from boilin over...

    I will test my fans with the rad installed and see which combo produces the most airflow...

    The Evans WP will fit with my rad, i got confirmation of that from Nate

    so spend 200$ now then if it doesnt work spend 650$ later. then pray it all works

  2. #17
    trukk's Avatar
    trukk is offline Cadillac Owners Master
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    Re: Fan blade upgrade

    Did you grind the welds on your radiator, and cause a hole?

    I would get the 11 Bladed fan.

    spinal_tap_but_it_goes_to_eleven.jpg

    -Chris
    PISNUOFF and PISNUOFF like this.
    2005 CTS-V:No Roof|T2+Eibachs|Corsa|UUC:Shifter, 2pc rotors, B-Lines, Motor/Tran Mounts, Diff Bushings|LPE CAI|FFV IntakeTube|Hotchkis Sways|Kooks 1.75 Coated LTs+cats|KARS III |Mamofied Fast90 + NW90|224/228 111+0 XFI/XE-R .609/.588+Dual Springs|ATI 25% UD Pulley|YT 1.7" UltraLites|Melling HiFlow OP|Cloyes Hex Adjust Timing Set|Lucas 42# Flow Matched Injectors|Katech LS9X Twin-Disk ClutchMustang Dyno Tuned (SAE): 412rwhp / 380 rwtq
    2012 CTS-V:No Roof|Wagon|M6|Recaros|Bone stock (for now)

  3. #18
    rand49er's Avatar
    rand49er is offline Cadillac Owners 10000+ Posts
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    Re: Fan blade upgrade

    ^^^ Ah-h ... Spinal Tap. One of my favorite flicks.
    '05 CTS-V, Maggie, Kooks, Hotchkis, Ground Control, Corsa, B&M, DSS/Hendrix, Full 3M Clear Bra, Autovation, V Headrests, CTS Console, STS-V 55w Fogs, Black Vette FRCs, Specter Werkes, Katech LS9 Clutch, SS Brake Lines, Heavymetals U-Turn Fuel Line Eliminator, Momo Combat Evo Shift Knob, Wldwhl Clear Sidemarkers, Linea Corse LC855 Wheels or OEM wheels w/'06-'07 Center Caps, plus a couple more. 472 RWHP/411 RWTQ (Mustang Dyno).

  4. #19
    trukk's Avatar
    trukk is offline Cadillac Owners Master
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    Re: Fan blade upgrade

    Quote Originally Posted by rand49er View Post
    ^^^ Ah-h ... Spinal Tap. One of my favorite flicks.
    Makes me sad that my age is probably closer to your old azz than most of the new folks around here

    At least Naf is still around to keep it fun.

    -Chris
    rand49er, rand49er, odla and 1 others like this.
    2005 CTS-V:No Roof|T2+Eibachs|Corsa|UUC:Shifter, 2pc rotors, B-Lines, Motor/Tran Mounts, Diff Bushings|LPE CAI|FFV IntakeTube|Hotchkis Sways|Kooks 1.75 Coated LTs+cats|KARS III |Mamofied Fast90 + NW90|224/228 111+0 XFI/XE-R .609/.588+Dual Springs|ATI 25% UD Pulley|YT 1.7" UltraLites|Melling HiFlow OP|Cloyes Hex Adjust Timing Set|Lucas 42# Flow Matched Injectors|Katech LS9X Twin-Disk ClutchMustang Dyno Tuned (SAE): 412rwhp / 380 rwtq
    2012 CTS-V:No Roof|Wagon|M6|Recaros|Bone stock (for now)

  5. #20
    AAIIIC's Avatar
    AAIIIC is offline Moderator
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    Re: Fan blade upgrade

    Quote Originally Posted by AAIIIC View Post
    Naf - There was a thread recently over on ls1tech about coolant temps. That site loads horribly slowly here at work, so I can't go there to find the link. It was a very interesting thread, because there are some folks whose coolant temps behave like yours, and some folks whose coolant temps stayed low even in stop and go traffic. There was no clear trend that I could see as far as modified vs stock.
    Naf, here is the thread over on ls1tech that I was thinking of.

    Quote Originally Posted by Naf View Post
    The Evans WP will fit with my rad, i got confirmation of that from Nate
    This thread has information about the water pump options, including the Evans pumps. Based on phone and email conversation with one of their engineering types, even their "short" pump would protrude about 1/2" or more into the fan shroud with my Alradco radiator and the stock fans. I would imagine the Ron Davis radiator has similar dimensions.
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  6. #21
    Naf's Avatar
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    Naf is offline Cadillac Owners Connoisseur
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    Re: Fan blade upgrade

    i went with the 5 blade rather than the 7 blade. At full power the 5 pulls more air then the 7 when connected to the radiator.

    Waiting on my oil pan to be modified to fit then will start my rebuild process.

    Waiting on custom wire sets only.

  7. #22
    stever06 is offline Cadillac Owners Member
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    Re: Fan blade upgrade

    Hey Naf wondering how the 5 blade fan worked. I am having the same exact cooling issues that you describe. Its driving me crazy and I haven't even began to really modify the car yet. Still working out the bugs and the cooling issue sucks. The car is in really good shape and was well cared for just the usual v issues.

  8. #23
    jamesdem1123 is offline Cadillac Owners Member
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    Re: Fan blade upgrade

    Mine used to run pretty warm, then I switched to a 165 degree thermostat and a 20/80 coolant-water ratio and a couple bottles of water wetter.

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