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    1.5jz swap questions/concerns

    $300 is a lot to spend for the few modifications SP does to their oil pumps when your stock one will work just fine. If you're really worried about blowing out the front main seal you can drill and tap 3 holes for a couple screws to hold it in yourself. I'm using a used oil pump on my fresh...
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    For those with a 1.5JZ using GE Parts

    I'm using Titan's Street Pistons (which are just JE pistons) for the GTE so they should be lower compression pistons.
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    For those with a 1.5JZ using GE Parts

    I finally recently finished and got my 1.5JZ build tuned in the last few weeks using a GE bottom end (kinda). It's a built GE bottom end using JE forged pistons for a GTE. I used the stock 1JZ Toyota MHG with a resurfaced head, so I have no idea what the compression ratio actually is, but I'd...
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    MK3 Supra Vs 2JZ Aristo

    I'm pretty sure there weren't any Aristo's without a 2JZGTE.
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    zero compression on all 6 cylinders

    Got to be careful with timing belts...and chains too for that matter. One tooth off and it's not good. I was one tooth off on my SR20DET. Ran funky, power was all whacked out and it backfired like crazy until I took it off again and figured it out. At the very least find out how many cogs...
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    BPU,and just bolted on a big single! How much boost?

    Kinda, the ECU should be able to adjust for your mods under that boost level/fuel cut. Above that boost cut level it doesn't have a map.
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    1jz build with big single turbo and support - What EMU is right for me?

    HKS F-con V is another option, as well as AEM or Apexi Power FC if you can find one (for JZA70). I would NOT recommend Emanage, I knew a guy that ran one on his GT67 1JZ and it never ran right no matter how much he messed with it. Eventually switched to AEM and never looked back. I'm running...
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    Arkansas Members

    I just saw this Arkansas thread for the first time. I'm not currently in Arkansas, but am supposed to be moving there the beginning of next year. Not really looking forward to it (Little Rock area) but I don't get a choice. I've been in/out of Arkansas for the last couple years...not...
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    Help! USDM 550 inj. swap

    Yeah I fixed it, only creeps to like 15 psi now, but my alternator crapped out (perfect timing) when I got the car running again. Hopefully this week I will get a chance to re-do the downpipe, weld on the O2 flange, and the dang BC cams will make their way here, although that's not supposed to...
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    whats the deal with mkiv 550's

    Told you they were good! Hey, when you throw them in your car, before installing them, give each one a little tap or two with a metal hammer, on the metal part of the injector. Mine were a little stuck and not firing at first when I threw them in, just needed a little tiny bit of persuasion to...
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    Breather on IAC? (should it be routed to intake pipe insead?)

    When the car is idling there's a shite load of air coming out of that pipe, when it goes vaccuum (after a rev) it sucks air in. So definitely have a filter on it if you run it like that, or simply route it back into the intake, the car should idle better that way as others have said. In my...
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    Help! USDM 550 inj. swap

    The injectors just got cleaned/rebuilt/flowed/tested at WitchHunter two weeks ago, they're good. Injectors do that, it's normal. I don't know how many times I've read in Chiltons manuals and FSMs that if an injector isn't happily ticking away to give it a couple small love taps with a hammer...
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    Help! USDM 550 inj. swap

    I fixed it. Turns out #1 and #3 injectors were stuck. I took them out and tapped on them with a metal hammer and they started working fine. Took the car out for a quick spin after installing the 3 bar MAP sensor and HKS FCON tuned for 550's/264's/3037, and it's pretty amazing. The car seems...
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    Help! USDM 550 inj. swap

    Well, I went out and checked, it's only #1 and #3 that are not firing and I cannot figure out why. All the others are firing properly. Here's how I'm trying to narrow it down. The ECU is fine, since it's batch fired if the injector driver was bad it would be #1 and #4 that wouldn't work, or...
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    Help! USDM 550 inj. swap

    All of those links only talk about a 7M/4 wire resistor, not a 2JZ/7 wire resistor. I actually posted a question about this on Supraforums a couple months ago but nobody replied and I could not for the life of me find anyone else that was running a 2JZ resistor on their 1JZ 86_sports_1jz it...
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    Help! USDM 550 inj. swap

    I'm posting this out to all my usual forums because I'm in need of help. My Cressida has a 1JZ swap and I JUST finished doing a single turbo swap and at the same time swapped in a set of fresh USDM 550cc injectors (low impedence) and a Supra/2JZGTE resistor box. I just started the car up and...
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    whats the deal with mkiv 550's

    lol, yes it does...c'mon you're sarcasm is gonna throw people off, they can't see you giggle when you write that http://www.witchhunter.com It is a nice peace of mind. Sorry to get you worried about flow/spray patterns :biglaugh:
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    whats the deal with mkiv 550's

    The website advertises $18 per injector which is exactly what I paid, plus I had to pay shipping to get it there, they paid it for the way back. Great service, and quick too!
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    whats the deal with mkiv 550's

    Sent mine off to Witch Hunter last week Tuesday, got a Paypal invoice on Friday, paid for it and got them back yesterday. I was very surpised that two injectors actually were essentially bad. Now they're all nice and pretty...practically new again and I know exactly what they flow.
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    whats the deal with mkiv 550's

    It's a big myth that USDM 2JZGTE injectors only flow 440cc. I bought these off a guy on Supraforums for <$100, purple top 550cc injectors. After all the talk I've read about how they don't flow 550, I was pretty worried that I'd have to sink even more $$ into new injectors, so instead I sent...