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2_Liter_Turbo's 1992 240SX Coupe

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  • 2_Liter_Turbo
    replied
    Well, just before Christmas, I towed the S13 away and handed it off to my brother. That's a wrap on that chassis! From here on out, everything is solely on the S14 and the SR that's making its way in it. So I guess this thread will not receive any additional updates, to see the continuation of my 240 mischief, see the S14's build thread:

    http://nissanroadracing.com/showthread.php?t=4075


    Snapped a couple pics the morning I towed it to California:



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  • 2_Liter_Turbo
    replied
    Well, I will be updating the turbo, checking everything internally to make sure everything is good, putting a few extra upgrades, resealing everything, and cleaning everything up before putting it into the S14. Hoping to get the SR in the S14 before the March 11 event here in Arizona, but it all depends on time and scheduling. I'm also starting a new business, so I'm pretty busy, ha ha!

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  • Sleepy_Steve
    replied
    What are the plans for that SR that just came out? Placing it into the S14 eventually?

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  • 2_Liter_Turbo
    replied
    Thanks!

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  • gills
    replied
    Nice work!

    Love your collection of Nissans.

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  • 2_Liter_Turbo
    replied
    Well, back to the S13, she is officially fully retired. Last night I pulled the SR out for the final time. The chassis will be sold to my kid brother to do as he pleases, so all of my 240 enthusiasm will be fully on the S14 from here on out. The S13 served me well over the years, but it's time to move on. This car has actually been the longest single car I've ever owned (2007-2016), which is saying something to those that know my car buying/selling habits! This exact engine has been with me for even longer as it powered my first 240 as well (2005), and it has approximately 210k miles on it (built around 200k). This is assuming the engine had 60k on it when I got it, ha ha. Who knows really.

    Anyways, this how I parked her the last time she moved under the SR's power:


    Last engine bay shot just because... it's dirty!


    Engine coming out!


    Engine on the ground ready for the stand:


    Engine is in it's new temporary home while it gets a full inspection and refresh where needed. It will also get insanely cleaned up (for those that know my level of OCD, ha ha):

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  • 2_Liter_Turbo
    replied
    Little dyno video I threw together, lol

    http://youtu.be/9x0_3CSASM4

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  • jr_ss
    replied
    Originally posted by Seraphim38 View Post
    Anybody have any suggestions for z32 transmissions? The first one I bought had a compromised bearing and the second one has a compromised fourth gear synchro. Fortunately the second one I bought has a warranty, but I find myself really wishing there was an aftermarket heavy duty z32 trans setup that could be purchased and then I could be done with it.
    If you want to stay Z32, either rebuild it (which is what I did, cost me about $750 OTD) or purchase the 98+ spec trans ($1800). They are suppose to have been built with better synchro material.

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  • 2_Liter_Turbo
    replied
    Compressor:
    56 trim / 71mm compressor wheel (max flow rate of 53 lb/min)
    0.50 AR compressor housing

    Turbine
    84 trim / 60mm turbine wheel
    .78 A/R turbine housing

    Not sure if you saw my head flow chart, but I actually flow a little better than a VE head on the exhaust side, but a little short on the intake side. This is my ported DE head vs Stock VE. A ported VE would be a lot better, ha ha.

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  • Def
    replied
    What A/R are you running? Those are great numbers on a GT3071R on a DET head.

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  • 2_Liter_Turbo
    replied
    The turbo is a twin scroll GT3071R I bought in 2008 or early 2009. And when I bought the AEM, it was literally like within a week of the release of the V2. It's been a long build, I've been scraping together parts/money a little bit at a time, lol. I wish I had the disposable income to get all the latest and greatest, ha ha. Not saying you have that kind of income at all, just explaining why I don't have the more updated stuff

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  • Seraphim38
    replied
    ah from the looks of the turbo I may be wrong on the expected results: is that a GTX3071R, not 3076? If so, the results are consistent with what I would expect.

    Secondly, one of the cool features of the AEM EMS v2 is that you can tune the knock sensor to be sensitive to a particular frequency. With different motor configurations and sensors, you can get false positives. My old built SR with stock lifters, Greddy valve springs, Ti retainers and Tomei cams made almost no noise on my knock sensor. The new built motor with HKS solid lifter valvetrain hovers at about 10 on my knock rating scale. It doesn't really go above that whether it is idling or on the rev limiter. My tuner said I should sell my MAP based Power FC and get an AEM EMS so we could tune the knock sensor and go for 500+ on pump gas.

    Also, I just uninstalled my Exedy triple disc clutch (rated for 1600 ft pounds of torque. If you want it I will make you a deal!), and installed an ACT 10.5 lb lightweight flywheel and ACT Xtreme 6 puck sprung hub clutch. Man is it easier to drive than the triple plate, but the pedal is epic heavy (576 lbs of torque rated for a single plate).

    Anybody have any suggestions for z32 transmissions? The first one I bought had a compromised bearing and the second one has a compromised fourth gear synchro. Fortunately the second one I bought has a warranty, but I find myself really wishing there was an aftermarket heavy duty z32 trans setup that could be purchased and then I could be done with it.
    Last edited by Seraphim38; 05-05-2013, 05:16 PM.

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  • jr_ss
    replied
    I'm jealous... Now I have to finish my car.

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  • 2_Liter_Turbo
    replied
    Thanks! I have an Evo knock sensor, which is way more sensitive than the Nissan ones, but it's good to have in the right spot, lol (it was installed up near the head at the rear of the block). The car has a really smooth powerband, and I only have trouble in first gear really. This is probably due to me running a low pressure WG spring, so the boost in mainly controlled by the solenoid/ecu. I'll be installing a stiffer spring right before I get back on the dyno, so my boost comes on a little faster.

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  • Seraphim38
    replied
    glad to see that you got it running and tuned. There's probably more to be had with furter tuning, but if it feels anything like my car you probably neither need more power or could stick it on the street. We found that even at 21 psi my knock sensor wasn't beginning to show anything when we were hitting 460 on 92.

    Anyway, congratulations for getting it rolling.

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