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I don't know what GT400 needs for his drive shaft. In my case, I have a cobbled together drive shaft made from about 1 foot of the Lexus drive shaft slid inside the front part of the chopped off Celica shaft and welded together. It fit in snug and looks fairly good, but the rubber drive ring is...

Great to hear it fired up for you. I know the feeling well. When my Celica 1UZ fired up for the first time, I wanted to make a toast. Mine had no exhaust after the manifolds, and the sound was just amazing, and quite shocking for just a smooth running 4.0L. At 1800 rpm, it roars like a Pro Stock...

DTC Code 14 is no IGF signal from the igniter. If you have solid ignition on both coils (assuming an older 1UZ with two dizzy's) then you need to test the wires and check for the IGF pulses with a scope. The IGF signal is basically the negative side of the coil so the ECU sees a pulse above...

I seem to remember that if you unplug all of the ECU connectors from the tranny, it will just shift manually following the shift lever. Obviously no overdrive, but it should do 1-2-3-n-R-Park. If it stays driving like that then you problem is electronic. If it still stops driving, then it is...

I think the ECU will also set an error if the two cam position sensors are not the correct spacing apart. There has to be a proper number of crank sensor teeth (NE) between the cam sensor pulses (G1 and G2). If the ECU is not grounded at all, you would not get injection, spark, check engine...

That is exactly what I want to do. I have a lathe and mill here, I just need the dimensions. It also looks like your plate does not center on the pin in the middle. If the bolts fit tight, it may be good enough, but I don't trust the bolt circle. I want to hub center it, since I have had bad...

YES, if the fuel pump is stopping at 3800 rpm instead of going to full power. It normally runs at about 9 volts, and should go to full battery voltage. I didn't even think of that one, but it sure makes sence. Gary M.

So you want to make 1000 hp. OUCH, that is about 100 lb/min of air flow. Even ay 4.7 litres, at your 6,500 rpm that requires 35 psi of boost along with a good enough intercooler to get the temperature down to earth and some density back. You will either have to rev higher or flow better than...

Maybe I should copy this to drivetrain?? I am hoping someone on here has an LS400 trans and some time to take a few measurements for me. I am making up a custom drive shaft, and I need the dimentions of the output flange on the LS400 A341S trans. There is a pin (actually the end of the trans...

Is your check engine light coming on at all? Does it have any error codes stored? I don't know about the Lexus 1UZ's, but I know several other cars go into a rev limit to protect the engine if it thinks something is wrong. If it sees no vehicle speed for example, it might think you are stalling...

Most likely, your ECU is never seeing a knock signal from the sensor. This is a fault as it should show at least a little ping under hard acceleration. Since it sees no knock, it assumes the sensor is bad an retards the timing to be safe. The first place to start is to probe the wiring from the...

I barely have my car running, and I am already thinking about cams. I know the stock cams are very mild. My turbo 22RE ran a 268 degree cam (224 @ .050 lift), intake and exhaust with 110 degree lobe centers. At a 900 rpm idle, it only pulled about 15 inches of vacuum. No problem on the brakes...

ANTO, Very nice looking swap. I just got my 1UZFE running in a 1983 Celica. I know how much work it is. You engine stumble at 2500 to 3000 rpm is probably a lean condition or it could be weak ignition. Can you measure the voltage from the front oxygen sensors while driving and see what they...

I just got my 1993 LS400 1UZ fired up a few days ago. Too bad I left my books in the car, 2500 miles away from me, but I can try to help you diagnose what is happening. First off, try reading if the ECU stored any codes for you. The diagnostic connector on the motor should work if the ECU was...

I am using essentially stock LS400 manifolds, but I had to have my driver's side one modified for steering shaft clearance in my Celica. And as luck would have it, the rear port on the driver's side (right where it had to be cut and re-welded) is leaking a bit. It pops like a tractor under load...

I know I could have purchased a "Y" pipe here, but I wanted it to fit in a specific location under my small Celica so I ended up fabricating my own. I used 2 * 2.25 inch pipes. Marked the end of them with lines that gave me 1/2 of the cirumference of a 2.5 inch pipe. I then cut the pipe at a 10...

You need to find out whatcode the ECU has set. You may help the sub O2 sensor situation by locating them after the rear cat. This way they will see post cat exhaust while the front O2 sensors are seeing pre cat exhaust. They should both go rich when you are under full power for a while, but the...

Thanks Lex, I will look up DeanM. I did some more web searching, and according to a site that does Chevy V8 conversions in pickup trucks, it is okay to use a 49 state engine as long as the chassis was originally 49 state, so I guess I am good there. My only real concern is the relocated cats. I...

I know the souther California group is fairly small on this list, but I was wondering if there was anyone on here who has had to smog check a modded car in So Cal. I recently got my 1983 Celica back up and running with the 1993 Lexus 1UZFE engine in it. I am trying to help out the situation by...

Here are a few more pics. www.frasertechnicalservices.com/garym For some reason, I am not able to add a pic here right now. Gary M.