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The stock twins have a lot of limitations that are different depending on jspec/USDM/JDM , one of which being the amount of boost that they can handle. The biggest reason I see that people do the big single is because the twin system is so clustered and complicated with a lot of parts that can...

Now the damn car is dying at stops and sputtering just as much as they were before. I have no idea what to do. I think the IAC might be an issue because I can unplug it while the engine is running and there is no change in the engine. It does make the clicking noise and the rubber valve on...

I'm pricing new coils, but I don't think that is the whole problem. I think I just fixed part of it.

I bought some coppers, gapped them to .030, pulled the coil packs, examined them for damage and found small to Medium cracks, I electrical tapped them as a temp fix, changed the order in which the coil packs were in, fixed the exposed wires of the harness and checked the resistance for all coil...

I will buy some coppers today and gap them to your suggestion. I hope your right because I want this shit to go away.

What's the suggested gap? The plugs I just bought are pre gapped iridium for my car.

I get what your saying. Your absolutely right, but Im sure the two very small vac leaks on my valve cover aren't the culporate to all my problems.

No codes. Boost shutter happened cold or warm. Two small vacuum leaks on the valve cover. Will check iscv.

Car: 95 Supra Engine: Aristo 2jzgte Miles on chasis: 147000 Miles on engine: ? ECU: stock JDM ECU Tranny: 4 speed auto Mods: straight pipe exhaust, brand new Iradium laser NGK plugs pre gapped Problem : the car sputters really bad as it builds boost. The boost will top out at around...

I did a quick search of this site and didn't find anything. Im a newb MKIV Supra owner, but I know the car has an aristo GTE swap and just want the Aristo repair manual so I can match up the wiring colors when I have to do work in the car. As most of you know an Aristo harness is different...