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Rosh/ whipple upgrade heat exchanger?

Discussion in 'Power-Adders' started by Djstorm100, Mar 2, 2013.

  1. Djstorm100

    Djstorm100 New Member Established Member

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    Have any of you upgraded the eat exchanger? Been looking at them, but haven't been able to find info on how much if any they lower IAT2.
     
  2. jojobee

    jojobee Member Established Member

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    I got the Steeda triple pass during the Black Friday sale and will have it installed in 3 weeks when i finally get my car back after a looooooooong winter.
    Its supposed to be better than Afco which is already very popular so hopefully i'll like it.
     
  3. alex12gt

    alex12gt New Member Established Member

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    i upgraded to the lfp.....if i did it again id prolly do afco yeah the lfp is the biggest but i had a lot of cutting on my roush bumper to get it in
     
  4. Djstorm100

    Djstorm100 New Member Established Member

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    Lfp ?
     
  5. deepblue13

    deepblue13 Active Member Established Member

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    I've got an Afco sitting in my garage swaying my blower delivery.
     
  6. alex12gt

    alex12gt New Member Established Member

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    Lightning force performance
     
  7. Djstorm100

    Djstorm100 New Member Established Member

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  8. alex12gt

    alex12gt New Member Established Member

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    Yup unless you want lots of cutting and fab stay away mine had to be mounted back an inch further then the mounting brackets and i had to go to town on my roush bumper......only reason i upgraded was i got a good deal on it id drive around awhile on the stocker first if i were you if you decide you really need it then go for it the swap isnt that hard
     
  9. Djstorm100

    Djstorm100 New Member Established Member

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    I've drove around on mine for sometime. On a 37 degree day. Iats2 were 120's. to high for me. Notice the whipple\ KB are thicker. Like to get 13 gt500. I looked at my dads damn it's huge. My thing is the fan running on all the time ( afco). At highway speeds they should be shut off
     
  10. alex12gt

    alex12gt New Member Established Member

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    So you already have an afco?
     
  11. Djstorm100

    Djstorm100 New Member Established Member

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    No stock roush h/e. it's large but really thin. Half a inch. But covers the whole radiator. May try going with more water vs anti/freeze
     
  12. Jukens

    Jukens New Member Established Member

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    Didn't realize IAT was that high on blowers. My centri IAT is always within 10° of outside temps.
     
  13. alex12gt

    alex12gt New Member Established Member

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    Somthing is going on because mine stays within ambient unless im just sitting there
     
  14. kevinp

    kevinp Active Member Established Member

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    Depends where your sensor is and how its wired. If you use the Roush wiring into IAT2 and log IAT1 then you are seeing the temp from the sensor in the MAF.

    As far as centris the IAT sensor is usually isolated in a tube and they tend to read near ambient when cruising around. Not going to happen with an IAT sensor mounted to an aluminum intake thats bolted to an 200 degree engine. If you watch the IATs will dip when nail a PD car, then start climbing after a few seconds - thats the test of the intercooler system's effectiveness.

    Larger capacity heat echanger will most likely not lower the cruising around IATs if the sensor is in the same place, but will make that time between the IAT dipping and starting to rise longer.

    IMO the Roush HE is adequate with the 90 and 82mm pulley for 1/4 mile blasts in good weather and general playing around, 50-130mph blasts (on a closed course naturally) etc. If I was running smaller pulleys, texas mile or road racing where I was using a lot of throttle I would want a larger exchanger. The fans would be nice for cooling between rounds and keeping heat in check during the burnout, staging etc at the dragstrip on warmer days as well. Should help with consistency if anything. Or if you sit in traffic on a 100 degree day the fans would be nice to be at the ready when things open up ;)

    I've never seen any A-B logs doing nothing but swapping exchangers on similar days temp-wise, just 1/4 mile would be interesting to see. Like anything else bigger is usually better but if the pump and core in the intake manifold cant take advantage of the extra heat excahanger capacity there may be diminishing returns.

    In other words, I've never tried it so I dont know :)
     
  15. RI_2011_GT

    RI_2011_GT New Member Established Member

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    I had an AFCO from the day the kit was installed, so no experience with stock vs AFCO.
     
  16. Djstorm100

    Djstorm100 New Member Established Member

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    There is a big difference in IAT1 and IAT2. On the roush/whipple they are measuring temp after being compressed/pumped. I've only taken it out on nice days which have been cold ones. Most of the time it is 117ish. It has gotten as high as 121 though.

    Alex you have any datalogs or anything to showings being ambient?


    Roush is thin and large (surface area) while the afco/cr doesn't have the surface area the roush has. Afco/cr are alot thicker though.

    Maybe I have air in the system ? I filled it up, let the pump start pulling/pushing the fluid through. Doesn't seem like it as water is rushing through.
     
    Last edited: Mar 3, 2013
  17. slagburn

    slagburn SVT Crazy Poster Established Member

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    IAT2 only recently became visible in SCT software. The latest live link update shows it and a bunch of other pids you couldn't see before
     
  18. kevinp

    kevinp Active Member Established Member

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    The water should be rushing pretty good, unless the bottle if illed all the way then its hard to see. I just went through some of my old logs (I had the roush sender wired into IAT1) and 120 is about the norm cruising from 40 to 75* outside. I have one log from a 90 degree day and it was around 125 just cruising so if the ambient air changing 50 degrees only makes a 5 degree difference not much you can do to drop that temp.
     
  19. Djstorm100

    Djstorm100 New Member Established Member

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    I use aeroforce gauge to read ITA2


    So afco wouldn't make any change then, is what you are saying? I'll have to get in my Dad's shelby (13) and see the IAT2.

    The thing is I've read that whipples run cooler..wonder why that is since they are compressing air all the time.
     
    Last edited: Mar 3, 2013
  20. kevinp

    kevinp Active Member Established Member

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    No, it just wont affect the CRUISING IAT that much, what you have look at is how far the IAT drops when first on the throttle and how fast it starts rising again when still on the throttle. The Afco will most likely not get as hot after a few seconds at WOT and will cool back down quicker. Plus the ability to cool it down better at the track with the fans/pump betwwen passes so the IAT will be lower when you leave the starting line.

    I'm just saying that if you are looking to bring that IAT2 reading down just cruising around a bigger heat exchanger probably wont change much. I would focus on the performance and not the IAT sensor unless you are road or mile racing and are getting above 150* doing what you are doing. I'm sure the bigger heat exchanger is better and if you have the funds and are running it hard then why not.
     

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