SSC Allmänt snack Projekt Usdm 02 wrx

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  • #276509
    Kvarnis
    Deltagare

    Do it then ;):D

    #276587
    Hightone
    Deltagare

    Do it then ;):D

    I installed Engine mounts today, while driving the car feels amazing, no vibrations or extra noise while driving, just instant response from engine.

    Negatives thou cold start has tons of vibrations, once up to temp almost non but slight increase from stock.

    Seeing how stiff these mounts are im not sure il change the transmission mount with anything but OEM replacement.

    I wont be using the engine cradle I got, only the steering rack.
    So I have cleaned the rack up and will aim to put on next weekend as well as control arms and D2, etc all the goodies.

    #276588
    Hightone
    Deltagare

    Coilovers installed and Aluminum Control arms installed 🙂 Alignment done and oil change done. Im ready for first track day of the year! Kinnekulle Ring here I come (May 1st!)

    #276589
    Hightone
    Deltagare

    6 Speed transmission ordered!

    #276530
    Igge
    Deltagare

    6 Speed transmission ordered!

    Nice!

    Non JDM I guess?

    What type of front, center and rear diff?

    #276590
    Hightone
    Deltagare

    Nice!

    Non JDM I guess?

    What type of front, center and rear diff?

    Non JDM just because i sourced this 6 speed cheap.
    Front should be A.P Suretrac and Center is Viscious 4kg, Rear is A.P Suretrac as well.

    Will be interesting to see how this effects cornering seeing as I have Open diff in front, viscious in center and shitty tiny Viscious in rear which is pretty much a open diff.

    #276531
    Igge
    Deltagare

    Non JDM just because i sourced this 6 speed cheap.
    Front should be A.P Suretrac and Center is Viscious 4kg, Rear is A.P Suretrac as well.

    Will be interesting to see how this effects cornering seeing as I have Open diff in front, viscious in center and shitty tiny Viscious in rear which is pretty much a open diff.

    Okay!

    I think I’d prefer something stronger than suretrac in the rear, but I guess it’s still an upgrade from the viscous 🙂

    #276510
    Kvarnis
    Deltagare

    Well the 6-speed is nice 5/6 gerar can have a bit of overdrive feel on on 4>5th.
    But Good tq will cure most of that 🙂

    What year did it come from 06/07 have even taller ratios that more suited for 2.5l

    #276591
    Hightone
    Deltagare

    Well the 6-speed is nice 5/6 gerar can have a bit of overdrive feel on on 4>5th.
    But Good tq will cure most of that 🙂

    What year did it come from 06/07 have even taller ratios that more suited for 2.5l

    Should be from 01-05, I dont believe the drop from 4>5th will be a problem at all. I can see it being a problem with standard wrx engine or 2.5l sti engine that go to 7000rpm.
    Main bonus will be the extra wheel torq available, at 200m drag it will actually be faster with the 6 speed, the issue im having is having to shift right before crossing into 3rd with my speed,with the 6 speed il be crossing in 3rd still but it wont be as big of a inconvenience.
    400m should also improve as well with the same logic.
    With my powerband and high rpm from my JDM motor its minor.

    01-03 USDM wrx 5 speed vs EDM/USDM 6 speed 01-05 ratio.
    As you can see, the 5 speed and 6 speed gearing are almost identicle with the exception of the 6speed having a extra gear bewteen 1/4

    Shifting at 8000rpm
    5700rpm at 112mph from 3rd to 4th in 5 speed
    5800rpm at 114mph from 4th to 5th in 6 speed


    6 speed from 01-05 EDM/USDM vs JDM 6 Speed Close ratio

    Comparing these two at 8000rpm shift, the gap is only about 600rpm difference. While the torq available might drop its not a huge inconveniece since Il still land very well in powerband.


    #276592
    Hightone
    Deltagare

    For shits and giggles same 01-05 STI USDM/EDM 6 speed but with different RPM 7000 vs 8000

    Shifting into 5th the gap is much worse when shifting at 7000rpm vs 8000rpm. 700rpm difference
    Lands lower in the power band which would most likely be felt.


    #276593
    Hightone
    Deltagare

    Okay!

    I think I’d prefer something stronger than suretrac in the rear, but I guess it’s still an upgrade from the viscous 🙂

    I think the suretrac will be more then enough, the only problem with the suretrac is if one wheel gets air it acts like a open diff. Other then that its a strong unit and really amazing.

    #276511
    Kvarnis
    Deltagare

    Yeah 8k rpm will help a lot 🙂
    I did run with a EDM-03 6-speed 7k rpm with a GT30 bolt on and a 2.5l hybrid conversion but tbh it was a loooong time ago(12 years). And with 7k rpm I did miss my 5 speed when racing straight, but don’t remember every detail tbh 😉

    #276594
    Hightone
    Deltagare

    OEM Anti Surge 😉

    Complete rear end being redone, bushing etc.


    DIY rear subframe lockdown bolts, thanks to a fellow subie owner tat made the pieces!


    6 speed Exedy Hyper clutch 🙂

    r180 swap and rear sti hubs is getting putting on atm, brembos etc.
    6 speed swap been a delay sadly because of the shitty freight company has put the pallet on hold for no reason.

    Thanks to InzoLino for helping as always.

    #276595
    Hightone
    Deltagare

    Everything installed and feeling great! Diff bushing is left to install, outrigger bushing is left as well. Car feels amazing, feels so light and nimble.



    #276596
    Hightone
    Deltagare

    Diff bushing installed!

    Coolant system flushed, engine heater plug installed, Motul Engine oil and OEM subaru filter done, hopefully car is good for track day!

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