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4GTuner

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  1. S

    RWD GSR ???

    iv seen this done in a couple of ways (in vr4s and evos I assume gsr would work just as well) the first (and easiest) is to pull the front shafts and weld the centre diff shut (and usually the rear diff for drifting) this is obviously pretty hard on rear diffs but as long as ur power levels...
  2. S

    epic boost problem (20psi+!!!)

    Yes I completely agree that a standard mitsi turbo is ideal but its just too much cash for me to fork out :( I'm not sure you fully understand the problem I'm having. I can't turn the boost down because I havn't turned it up haha I dont run a boost controller (although I do wish it where that...
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    epic boost problem (20psi+!!!)

    hahaha genuine mitsi? no...hell no lol. But although I like to use name brand turbos on my decent cars, I'v seen ebay spec turbos work well far too many times to rule out using them on my daily shitter :D I'm currently tossing up whether to sell this car so while I do need to fix it before i...
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    epic boost problem (20psi+!!!)

    To me the GT Pump housing just screams rip off. realistically it's a ported housing for the same price as a brand new turbo (unless I'm missing something?) As far as I can see if an external gate could be fitted to the stock mani it would be reasonably cost effective (provided i can source a...
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    epic boost problem (20psi+!!!)

    can you weld a flange for an external gate onto a cast manifold? To me this seems like the best option if possible. I really don't have time (or tools) to port out the housing and those aftermarket housings are ridiculously priced! This car is only my daily run around so I'm not looking to go...
  6. S

    epic boost problem (20psi+!!!)

    Ill get some pics of the car when im back in perth (though it's not much to look at) and yeah I bought the vr4 for her to drive but shortly after bought her a Stagea as vr4 was having issues. so now the vr4 is just a plaything lol will search now :D also will fitting an external gate be an...
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    epic boost problem (20psi+!!!)

    hahaha yeah :P might take a look at it on sunday as Iv been flat out getting the drit car ready for tommorow. dude thats very generous of you! I appreciate it and if I cant sort it on sunday I'll shoot you a pm. thanks :)
  8. S

    epic boost problem (20psi+!!!)

    I'm heading out to buy new vacuum line soon. gonna replace all boost related lines and tidy up a bit. will be running seperate lines to actuator and bov etc so I don't have to run any T fittings. Just tried this (even though I was a little uncomfortable blowing something while wiggling the...
  9. S

    epic boost problem (20psi+!!!)

    I think it's a 16g (evo 3? will check asap) do you have a rough idea of cost for the exhaust housing? I'll borrow a boost controller and give it a go :D also gonna test the actuator (apparently it's common for them to fail? )
  10. S

    wtb: 16g dump (stock)

    as above looking for a stock dump pipe. cheers Luke
  11. S

    epic boost problem (20psi+!!!)

    standard engine. no bleed valve at all. done. sorry bout that. if that's the case then then the aftermarket dump will certainly be making it worse! would you recommend fitting a factory dump as a 1st attempt to fix problem? How would you recommend restricting the exhaust? would welding the...
  12. S

    epic boost problem (20psi+!!!)

    recently Iv been driving my fiances daily (E39 VR4) and it is overboosting HARD. at low revs (below 4000rpm) it holds .7bar just fine, but at high revs boost climbs up to 1.5bar+ if you keep your foot flat (and don't pay enough attention to your boost guage!) Iv been referred to this site as I...
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