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Supercharging a 3sge/3sgte

Discussion in 'Forced Induction' started by coronagtr, Oct 3, 2007.

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  1. coronagtr

    coronagtr Guest

    hey just wanted to know what your thoughts on supercharging my 3sge. My brother had mounting brackets made for a SC14 supercharger (bigger version of the SC12 found on the 4AGZE) for his SW20 MR2 but he has moved overseas. Would it simply destroy a 3sge? should a 3sgte be used instead?
     
    coronagtr, Oct 3, 2007
    #1
  2. underscore

    underscore Well-Known Member

    it will die unless you use really really low boost IIRC. the only real reason to use a supercharger is to be unique, since you need a GTE that you took the turn off of. unless maybe you go with both? I know I've seen twin turbo supercharged STi's.
     
    underscore, Oct 4, 2007
    #2
  3. 87gtspower

    87gtspower Well-Known Member

    hahahaha
    i asked the same thing
    look it up lol
     
    87gtspower, Oct 4, 2007
    #3
  4. rye

    rye Well-Known Member Donated!

    1fstgts turbo'd his 3sge...it blew up

    I'm pretty sure Jeremy (on the old site) turbo'd a 3sge, that also blew up...

    It'll work for a few months, but then it will eventually blow up haha....so..prolly better off startin with a 3sgte
     
    rye, Oct 4, 2007
    #4
  5. XR Pilot

    XR Pilot Well-Known Member

    My bets are that it won't blow up, provided you run an after market computer and get it tuned by someone who knows what there doing...
     
    XR Pilot, Oct 4, 2007
    #5
  6. rye

    rye Well-Known Member Donated!

    You'd need to completely rebuild the motor I would think too.... I'm not sure those rod's could handle that much hp...but I could be wrong...
     
    rye, Oct 4, 2007
    #6
  7. Sterling

    Sterling Guest

    due to the high compression ratio i dont think the rods and small end bearings would like it very much, compressing compressed air from 9:1 is ALOT harder than compressing 7:1 or the like

    n/a owners increase there compresion ratios, and turbo owners lower theres to increase intake pressure.

    ive seen a nissan CA18 motor with a 11.1:1 ratio only lasted 2 years tho, and the owner didnt drive it hard at all..
     
    Sterling, Oct 4, 2007
    #7
  8. Mafix

    Mafix Owner Staff Member Administrator Donated!

    search this forum please.
     
    Mafix, Oct 4, 2007
    #8
  9. underscore

    underscore Well-Known Member

    may as well make a sticky
     
    underscore, Oct 5, 2007
    #9
  10. Youds

    Youds Well-Known Member

    omg corona im a huge initial d fan haha. why did they have to end it there :( any word of a continuation
     
    Youds, Oct 5, 2007
    #10
  11. XR Pilot

    XR Pilot Well-Known Member

    I've said it once, may as well say it again....

    3SGE...... has...... the........ same..... rods..... as........ the...... 3SGTE

    :p

    The crank is also the same as the gen 1 3SGTE from what I remember too. The compression ratio isn't all that high, some 3SGTE's have 8.3:1 compression ratios, not that much lower than 9:1....
     
    XR Pilot, Oct 5, 2007
    #11
  12. underscore

    underscore Well-Known Member

    it has been done, IT WILL DIE.

    end of story

    kthxbai
     
    underscore, Oct 5, 2007
    #12
  13. coronagtr

    coronagtr Guest

    wow! thanks! yeah i thought that it would blow up. My brothers plan was to have a blacktop supercharged BEAMS with lowered compression. The reason i was thinking about it was not to be different but because i like linear power ( turbos just dont do it for me ). I also have a set of individual throttle bodies from a AE101. oh YOUDS i thought the end of 4th stage initial d was quite good ( the S2000 is mean! ) there is supposed to be a 5th stage , if you read the manga there are two more teams, Team 246 that has an mx5 for the downhill and a EVO 8 for the uphill. the other team has Kai Kogashiwa in an MRS and a supra for the uphill.
     
    coronagtr, Oct 6, 2007
    #13
  14. Youds

    Youds Well-Known Member

    ooo so its coninuted in the magna? it ended without finishing off project d or w/e that was called again ;p THEY HAD SO MUCH MORE OF JAPAN TO DO and i wanted to see pro racing too haha
     
    Youds, Oct 6, 2007
    #14
  15. XR Pilot

    XR Pilot Well-Known Member

    Ok I give up with you guys. The 3SGE is the same as a GTE except that its lacking oil squirters and has 0.7 higher compression. There is more than one way around this though.

    How many of those turbo conversions that died used the factory engine management?
     
    XR Pilot, Oct 6, 2007
    #15
  16. underscore

    underscore Well-Known Member

    so build one and prove us wrong. so far the ones that have been done, haven't worked. it may only be 0.7 more (I recall it being more...) but so far that seems to be enough to blow it up.
     
    underscore, Oct 7, 2007
    #16
  17. XR Pilot

    XR Pilot Well-Known Member

    I've been tempted, but it would not be legal for me to drive on my license until I am 20.

    You didn't answer my last question though, how many of those that blew up were running the factory engine management?
     
    XR Pilot, Oct 7, 2007
    #17
  18. rye

    rye Well-Known Member Donated!

    I'm pretty sure Jeremy was running an aftermarket ECU....his still blew up...

    He ended up just getting a 3sgte, and building the crap out of that, and it was a LOT more reliable, and a LOT cheaper, than converting a 3sge into a 3sgte.... Just because the codes are similar and some part's match doesn't mean it can handle all that hp!
     
    rye, Oct 7, 2007
    #18
  19. Sterling

    Sterling Guest

    well said rye
     
    Sterling, Oct 7, 2007
    #19
  20. rye

    rye Well-Known Member Donated!

    I thought of the idea when I got my first gt-s/3sge too..... but I did a bit of research and realized it would just be way easier to buy a 3sgte for ~ $800 and just drop it in...it's pretty much a direct bolt in....
     
    rye, Oct 7, 2007
    #20
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