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Thread: Intercooler?FZ

  1. #1

    Join Date
    Feb 2006


    This may have already been covered but are there any gains just from changing your IC?
    My goal is to reach 75 mph with only these mods.
    Intake manifold mod
    R&D intake grate
    cold air intake
    Jims vx plate
    airduct mod
    FF exhaust
    R&d powershot
    and possibly a new IC if there would be any gains from it.
    I dont really want to do a sc wheel or reflash at first i want to keep it simple!!!
    will the new IC give any gains with only these mods? Thanks jeff

  2. #2

    Join Date
    May 2008
    Aiken SC
    What speeds are you reaching now with your current mods? I have the same mods as you and can barely break 70. I just ordered the powershot and am hoping to see some improvement. As far as the intercooler goes thats next on my list.

  3. #3
    philip_gpr's Avatar
    Join Date
    Dec 2005
    yes for sure, the lower air temp you can get the higher the HP (as long as the IC flows OK and most of them do)

  4. #4
    Kelly_A's Avatar
    Join Date
    Dec 2009
    Central Oklahoma
    I don't think 75 is attainable with the mods list you provide, even with an IC upgrade. I do think you can get close to it, perhaps 72.5 or even 73.5 with prop adjustment and hull tweaking.

    An IC upgrade makes the most dramatic difference when paired with a SC wheel upgrade or reflash. Upgrading your IC at this point will give you more consistent times since it will essentially eliminate heat soak as a performance variable. Also, and IC upgrade acts to remove much of influence of water/air temp on times.

    When I upgraded to a JD IC I did see a slight speed gain, but the most important gain to me was that I was able to get a repeatable speed, run after run, anytime during the day. My current mods are very similar to those you list.

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