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I have a pestering misfire that has progressed, I am puzzled and am in need. I own an 89 NA to 1jz convert. It has an AEM v2, Bosch 750cc injectors, upgraded rail and pump. I have an extended wire harness that was checked and is good. Fuel pressure is good, coils are well insulated, not sure...

I have an 89' Supra with a 1jz swap with the capacitors replaced about a year ago. Click the pictures for larger shots. I drove the car home one time and tried to start it up the next week with it not firing on cylinders 3 & 4. Plugs are good, coil packs are good, and the resistor are all good...

Since I have done the swap not long ago, the tach had never worked. It was an NA originally, but I have put in a turbo tach and have a converter. None of that made the tach work. So now I'm doing what I should have started with, the wiring. Well I have no signal when I jump the tach straight to...

I've searched and tried several things, just can't get it to work. I have the NA tach in and the MSD 9210 converter with it wired to RPM1 on the ecu and then the output to my black tach wire to the dash. I have very little movement on the tach (under 1k when I give it good throttle). Maybe I...

I've got an 89 that runs and drives great, but I can't seem to figure out how to get these gauges working. My speedometer doesn't work but its the na stock one so I will figure it out later. The oil pressure gauge doesn't with a new 7m sender and the illumination doesn't come one, dimmer doesn't...

On my brothers 1jz, I am not sure where the large (12ga?) wire goes directly from the alternator side post. I imagine eventually to or near the battery to charge? Just wanting to make sure I am wiring it to the right spot, not his radio, radiator, or kidney.

Alright after I got my brothers supra going and we left the cat and back portion of the exhaust off. I started it up and have been running it, but it appears to be slowly dripping oil out of the exhaust. Is this coming from bad seals from the turbos? This car had been sitting awhile before I was...

Just put in a 1j in my brothers supra. The engine has been sitting well over a year before I got my hands on it. I wired it up and double checked and everything appears correct. The problem now. When trying to start it cold (unsure of when warm, only started about 5 times) it might catch...