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  1. #1

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    Enormous Cooling Head

    who tried this giant cooling head out? is it GOOD?
    looks nice.

    thanks for any info.
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  2. #2

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    RE: Enormous Cooling Head

    BTW...how about the one made by NOVA RACING?

    which one is bigger/better?

    thanks.

  3. #3
    biggdawg800's Avatar
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    RE: Enormous Cooling Head

    my brother put one of the enormus cooling heads from american cnc on a picco outlaw 26 and it dropped his temps 60-70 deg F. I have one I will be putting on my SH 28. I would highly recommend his stuff. my brother just got his tmaxx chassis too and it is top notch best i have seen.

  4. #4
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    RE: Enormous Cooling Head

    Works great!! Dropped temps at least 60 deg on my Mach .26. I just got an SH .28 on sale at Hobby People yesterday.Do you think the head will fit it too? They look similar,same manufacturer, as I've heard on this forum.
    Losi LST,XXN-T,Mini LST,Mini LST2,Micro Baja,Axial AX-10,Stampede MudBogger,Rustler,Mini M-01,Mini TG-10,TL01

  5. #5
    biggdawg800's Avatar
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    RE: Enormous Cooling Head

    Don't think it is the same the 28 has a bigger bore. he makes a head for the 28 though.

    http://www.acncm.com/detail.aspx?ID=49


    on ebay


    http://cgi.ebay.com/ws/eBayISAPI.dll...sPageName=WDVW

    http://cgi.ebay.com/ws/eBayISAPI.dll...sPageName=WD1V

  6. #6

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    RE: Enormous Cooling Head

    which one is bigger?

    nova race head or enormous? thx

  7. #7
    hobbyadict's Avatar
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    RE: Enormous Cooling Head

    id watch it with the head just couse the head says ~210 with the head without the head you could really be running like ~300 degress[X(]
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  8. #8

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    RE: Enormous Cooling Head

    Yeah watch them bigger heads. While they do improve cooling and will allow for a leaner mixture. You have to keep a close eye on the core temp of the combustion chamber. The larger head can fool you into running a lean enough condition to damage the engine. While a hand held temp gauge may show a low head temp. You will want to get a temp probe that will get the temp at the glow plug way down in the hole.

  9. #9
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    RE: Enormous Cooling Head

    You might be getting a lower temp, but regardless the motor is still running lean. Tuning the engine isn't just about temps. I'd stick with stock or slightly larger than stock cooling heads.
    END OF LINE

  10. #10
    biggdawg800's Avatar
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    RE: Enormous Cooling Head

    The way we tuned my brothers was to get it running great with the stock head. then we switch to the enormus head and didn't tune it anymore just the occasional tune for temps. should be the best of both worlds that way.

  11. #11
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    RE: Enormous Cooling Head

    I bought an oversized head from wakefly68 on eBay, so that I don't have to worry about engine temps when the ambient temperature is over 100. It's only slightly bigger than stock, and I think I paid aroun $25 for it. It lowered my temps around 20 degrees, should be perfect. Like the Biggdawg, I did not lean my engine out more after installing. If you are asking if you need this, I'd say only for bashing (especially if you are making a rock crawler - slower speeds & higer revs = higer temps), or if you are as crappy a racer as me and go too slow sometimes! [:@]
    Some people see the glass half full. Others see it half empty. I see a glass that\'s twice as big as it needs to be.
    My opinions are my own, and are not necessarily those of RCU

  12. #12

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    RE: Enormous Cooling Head

    i have a venom temp gauge, is that the best way to measure the temp of my motor? or should i use that temp gun with that laser thing? or is there another product out there that i should use? if someone knows of another temp gauge would someone please post a link?
    lst8368, 2400 battery pack .30 sirio black rpm arms boe ties3 hitec 5925 servos alum diff cases titanium tie rods hummerbod

  13. #13

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    RE: Enormous Cooling Head


    ORIGINAL: rm-rf

    Yeah watch them bigger heads. While they do improve cooling and will allow for a leaner mixture. You have to keep a close eye on the core temp of the combustion chamber. The larger head can fool you into running a lean enough condition to damage the engine. While a hand held temp gauge may show a low head temp. You will want to get a temp probe that will get the temp at the glow plug way down in the hole.

    that doesnt matter - unless you tune your engine by temperature (which is just stupid) you shouldnt have a problem - always tune your engine by air/fuel mixture and how the engine reacts (sounc, acceleration, smoke etc). temperature should only play a very small part in tuning, dont rely on it too much.

  14. #14

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    RE: Enormous Cooling Head

    Definately! I used to go by the idea that the bigger the head, the better. NOT true. Unless yoiur particular engine is undercooled, then adding a huge head will just allow you to run too lean and do damage. A couple of examples would be:
    1) TRX2.5 - Runs hot, but mostly due to other problems, such as carb leaks. The Nova head is really too much for it, it can lead to overleaning which in turn leads to HIGH temps. I fought this all last year. THe CNR "shortly" head is the one for this engine.
    2) Force .25 - I put a Nova on this, and was able to lean out and get a PILE more power. It worked GREAT for bashing, but once I had to use it on the track in a buggy one day, I started to burn plugs due to a lean condition.

    Some engines just do NOT need it! (RB's, for example.)
    Temping further down the hole makes no difference either, the oversized head is still cooling the entire engine, not just the head itself.

    It's allabout the smoke trail, as was just said. I rarely temp my RB's, Novarossi's, etc., any more, just at the end of the tank to put a grin on my face. (I love seeing 210 after a full tank of racing hard!) Tuning by smoketrail is different for each engine, but once you get yours figured out, it is a very reliable way to tune an engine.

  15. #15

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    RE: Enormous Cooling Head

    "head will just allow you to run too lean and do damage"

    as i said!!!! this doesnt make the head a disadvantage - it only allows you to lean the engine while maintaining the same temp. but you should tune an engine on air/fuel mixture - so just because the temp is lower doesnt mean you can lean it. aslong as you tune properly, a bigger head is always a good thing (unless it gets <190F or so! then its just not hot enough for the metals to expand properly)

  16. #16
    MrBillUp's Avatar
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    RE: Enormous Cooling Head

    http://i5.photobucket.com/albums/y15...p/MVC-719F.jpg

    http://i5.photobucket.com/albums/y15...p/MVC-717F.jpg

    http://i5.photobucket.com/albums/y15...p/MVC-718F.jpg

    A few pics of the Enormous Cooling head from http://www.acncm.com/detail.aspx?ID=36

    It's not a big as I thought but it is alot thinner than the stock head which will allow the heat to dissipate a hell of alot quicker!

    http://i5.photobucket.com/albums/y15...p/MVC-721F.jpg

    Another added with the body on!
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  17. #17

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    RE: Enormous Cooling Head

    I put one of the nova cooling heads on mine. Does a much better job than the stock head. Im down to 185 degrees at tune.

  18. #18

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    RE: Enormous Cooling Head

    im up at 270F with nova head - and im not running lean, this is one hot engine [X(]

  19. #19
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    RE: Enormous Cooling Head

    mrbillup have u run the engine yet???? i i where u id move the airfilter thats REALL close to the engine!!!!


    use a Traxxas exhaust coupler! from the sounds of someone thats has it it works great!!!!
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  20. #20
    MrBillUp's Avatar
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    RE: Enormous Cooling Head

    ORIGINAL: hobbyadict

    mrbillup have u run the engine yet???? i i where u id move the airfilter thats REALL close to the engine!!!!


    use a Traxxas exhaust coupler! from the sounds of someone thats has it it works great!!!!

    I have'nt run the engine yet no! I need to go back to stock settings and re-tune to 220F if I can, then fine tune. I run the air filter the other way, I turned it 180 deg for the photo's sake. I will be getting the Savage 2.5 Motor Saver as soon as I can afford it!

    I must say that now it is on the mach it is collosal and these are very very well made and has very thin fins so a Roll bar is a must.
    009376 Red LST..
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  21. #21

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    RE: Enormous Cooling Head


    ORIGINAL: kevinb456

    im up at 270F with nova head - and im not running lean, this is one hot engine [X(]
    Do you have the center of your windshield cut out ?

  22. #22
    FORDMIKE65's Avatar
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    RE: Enormous Cooling Head

    [link]http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=5981345500&ssPageName=STRK:MEWA:IT[/link]
    Is this "cool" or what!!
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  23. #23

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    RE: Enormous Cooling Head


    ORIGINAL: FORDMIKE65

    [link]http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=5981345500&ssPageName=STRK:MEWA:IT[/link]

    Hope this works.Is this "cool" or what!!
    That dose Look Cool,It looks like it could work?

  24. #24
    FORDMIKE65's Avatar
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    RE: Enormous Cooling Head

    Seems to have a pump,reservoir,radiator & a water-cooled head like used on marine engines.Pretty cool,but must add some weight to an r/c truck.I might ask the guy a few ?'s and ask for some more pictures.I like it! Would make a nitro truck even more realistic.I wonder if the water pump is a small electric motor or is driven by the engine?
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  25. #25

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    RE: Enormous Cooling Head

    Systems like that have been around for awhile. The pump is a lil vacume powered diaphram pump ran from the pulse from a line from the crankcase or intake of the engine. Someone awhile back was making a nicer looking system that had a lil aluminum radiator. The system he is selling there looks a lil barbaric as far as the radiator and tank is concerned.


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