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Any high boost cowboys out there on a stock block

Posted by 1cleangsx, Jun 17, 2019

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  1. 1cleangsx

    1cleangsx Proven Member

    119
    58
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    What’s up guys! Just curious who’s out there pushin there luck besides me, I’m in a better financial situation now than I was a couple years ago when I had my motor rebuilt, at the time I did a budget rebuild with cheese. Original crank, rods, and pistons which according to the machine looked great, even with 132,000 miles. Went with ARP rod bolts/main studs and of course ARP headstuds. Any who I’m currently pushing 35 psi out of a dsm82 which the motor seems to be taking in stride, timing is of course conservative, but when do I stop LOL. This is all on a stock 90 trans, act 2600, and e85. I’m headed to the track soon to see what she’ll do, it’s been a few years but I can’t wait! I’m starting this thread because I personally believe the power potential in these factory bottom ends is what makes them so bad ass, any body can throw forged internals in their Kia and make power, but what makes the 4g63 so legendary is it doesn’t have to be “built” to hurt your feelings. I’ve had buddy’s that tore apart perfectly good bottom ends for a 50 trim LOL. I think what I’m trying to get at is if your engine is healthy put your money in maintenance first, then supporting mods, learn to tune what you have with the guidance from others here who have been there and done that
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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    1990TSIAWDTALON likes this.
  2. ist dwa

    ist dwa Proven Member

    241
    75
    Joined Nov 5, 2009
    Centerville, Ohio
    The 4G63 stock is good for a lot. I ran regularly for years 40-44 psi on a FP DSM 82. It will hold it, trans is a different story. Shreds gears all the time.
     
    1cleangsx likes this.
  3. Boomdeeze

    Boomdeeze Proven Member

    1,613
    253
    Joined Jul 5, 2009
    Independence, Minnesota
    More info please, 40-44 psi on a 71 lb/min turbo is a big boy level.
     

    Street Build 3K  1

    1997 Mitsubishi Eclipse GSX
    10.793 @ 128.98 · 2G DSM
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  4. 1cleangsx

    1cleangsx Proven Member

    119
    58
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    AgreedOMG. That’s gangster.
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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  5. Vegas smith

    Vegas smith Proven Member

    2,507
    1,145
    Joined Dec 2, 2002
    Houston, Texas
    I think he's referring to his fuel pressure ;)
     

    Street Build 3K  10

    1993 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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    jery1234 and 1cleangsx like this.
  6. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    4,011
    1,569
    Joined Nov 14, 2013
    Independence, Kansas
    We will be doing the same thing Jeremy, as soon as the son gets the valve springs for his head. It is a stock rod, piston, crank motor with FP2's and he is starting on my 16g but plans to go to HX35 in his 90 GSX. It will be a couple months tho as he is busy on his Camaro rearend build.
     

    280  17

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 404  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 3K  21

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM

    4K  24

    1990 Eagle Talon TSi AWD
    13.612 @ 107.760 · 1G DSM
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    1cleangsx and ThunderChild like this.
  7. lasthope05

    lasthope05 Proven Member

    914
    205
    Joined Mar 31, 2006
    Philadelphia, Pennsylvania
    You're lucky your trans is a 90.
     
  8. 1cleangsx

    1cleangsx Proven Member

    119
    58
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    I know some say otherwise, but jacks told me the 90 gearset was the strongest, and should hold the 450ish whp I’m after:thumb:
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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    1990TSIAWDTALON likes this.
  9. ist dwa

    ist dwa Proven Member

    241
    75
    Joined Nov 5, 2009
    Centerville, Ohio
    The trans issue is torque, not HP. Once you get around 500ft lb of torque that where it all falls apart. Yes the HD 90 Jacks trans is the strongest but only marginally and eventually those fail as well. Dog box or nothing if you want to make and HOLD real power.

    What's to tell about the block, the secret was it was a stock block. the only replaced internals were EVO valve springs and cams so I could rev to 9K.
     
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  10. 1cleangsx

    1cleangsx Proven Member

    119
    58
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    Hey that’s awesome Marty! My son is currently 4 but I would love to still be wrenching on these things when he gets older, and @ist dwa that’s still impressive on the stock bottom end, would you say there’s definently more in the turbo beyond 35 psi? Obviously supporting mods play a role in justifiying that much boost, how much power were you making?
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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    1990TSIAWDTALON likes this.
  11. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    4,011
    1,569
    Joined Nov 14, 2013
    Independence, Kansas
    We will run 35+ on the Holset.
     

    280  17

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 404  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 3K  21

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM

    4K  24

    1990 Eagle Talon TSi AWD
    13.612 @ 107.760 · 1G DSM
    Loading...
  12. kenuwine4g63

    kenuwine4g63 Proven Member

    435
    10
    Joined May 26, 2009
    Charlotte, North Carolina
    Gotta car here i tune on a borg warner s366 with a billet wheel on 37-38psi. Stock block built head, standard arps etc...
     
    kenuwine4g63

    365  0

    1995 Mitsubishi Eclipse GST
    000.0 whp · 000.0 lb/ft · 2G DSM
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  13. 1cleangsx

    1cleangsx Proven Member

    119
    58
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    I bet that will be a blast:thumb:
    Wow man that’s nuts! How much power? How long at that level?
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
    Loading...
  14. Boomdeeze

    Boomdeeze Proven Member

    1,613
    253
    Joined Jul 5, 2009
    Independence, Minnesota
    Why in the frick do I have a built block if everyone is running 600+ awhp on stock blocks?!
     

    Street Build 3K  1

    1997 Mitsubishi Eclipse GSX
    10.793 @ 128.98 · 2G DSM
    Loading...
  15. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    4,011
    1,569
    Joined Nov 14, 2013
    Independence, Kansas
    I do run a girdle, even on our stock rebuilds along with ARP main, rod and head studs so it is a little more than a stock rebuild, but is a stock bottom end. :thumb:
     

    280  17

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 404  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 3K  21

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM

    4K  24

    1990 Eagle Talon TSi AWD
    13.612 @ 107.760 · 1G DSM
    Loading...
    1cleangsx likes this.
  16. kenuwine4g63

    kenuwine4g63 Proven Member

    435
    10
    Joined May 26, 2009
    Charlotte, North Carolina
    Close to 7 we have flowed 78lbs/min on it. The block has a unknown amount of miles(we got it out a junkyard.)
    Even on my 7 bolt that had 180k i was running 33psi on a gt35r.
     
    kenuwine4g63

    365  0

    1995 Mitsubishi Eclipse GST
    000.0 whp · 000.0 lb/ft · 2G DSM
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  17. 1cleangsx

    1cleangsx Proven Member

    119
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    Joined Sep 28, 2013
    Cheyenne, Wyoming
    That’s so freakin cool man:thumb: Thank you for chimin in! I’m gonna try and freshen up the trans this winter with a rebuilt stage whatever from one of our fine vendors, till then I’m hoping everything holds together for a few runs:dsm:
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
    Loading...
    1990TSIAWDTALON likes this.
  18. jed344

    jed344 Proven Member

    535
    13
    Joined Jan 10, 2008
    Waterville, Iowa
    Wow a lot of good power here. I ran a stock 165k miles 7 bolt to 50lb/min and 30-31psi with a bolt on hx35 for a few years. Motor is still togther and running in a different car to this day.
     

    710  26

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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