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what are your mods... check the valve behind iscv make sure it is not broken or torn. it allows air in to the manifold and not back out.

ok.... well this thread went way off topic but always good to know for future reference. i did check all clearences and they are within spec. number 5 rod has some side to side movement that you can hear but is still within spec.... could that have been what i was hearing? when i started...

Was running a gt40r turbo that blew the thrust bearing causing low oil level. Could only hear knock sound at 3k no load, never loaded it didnt want to make matters worse. pulled engine, dropped pan found that some bearings were scarred up, nothing on journals or rods. pistons were not loose in...

I am pulling my engine out for rebuild soon, just curious as to what the easiest way would be? It will not be the first time i have pulled an engine but will be the first time on a supra. I am wondering if i should pull the engine and trans together or separate them? let me know from experience...

If the cats were plugged in most cases the car would run poorly boosted or not.... I would agree with the wastegate. pull the elbow off and if handy grab a vacuum/pressure pump and apply pressure and release see how the flap is working. wastegate opens on pressure. and i know from experience...

Ok so as the story goes, my stock engine internals could only handle 515whp on 15psi for so long... has rod knock at 3k now.....no biggie, gonna start fresh and know what i have inside and out. Buddy of mine is hookin me up with damn near complete engine with engine management. Good block...

have checked fuses? main relay? And without engine cranking you will not be able to determine no spark or fuel. Check your cables too. along with power and grounds.

i just put the gt40r on mine, my cold pipe to tb is wrapped and actually stays cooler than the 57trim i had on prior. you will wanna wrap the downpipe very well or you run the chance of melting your speedo cable. Happened to my buddy when he had my setup on his car.

I have a divided manifold and dont feel like putting money into a non divided. turbo is also divided. are there any other ways?

is it a cal emissions car? if so like on mine with egr gone, it sets erg gas temp code, after 100 miles or so, you can put in a 5k ohm resistor in that connector to eliminate the code. what spec did you use on the head?

what spec did you use on the head studs? tsrm or arp per application? i blew a fresh hg once that blew grey smoke smelled like fuel. (3 inch ex no cats) double check your cooling system as well. just be on the safe side. efi blowing, could be in the direction of the pump going bad, or just a...

i dip down into the 10 full boost but made good power=bad mpg. has anyone ever installed a wideband and no 02 with any problems? i just ran my factory o2 into the lc1 so that i can eliminate o2 for now. still sends a narrowband signal to ecu. when i check the vf at diag block it is at 4.9? if i...

i just installed the gt40 on my setup i in the 16s at idle, no load, cruising i am in the 14-15 no boost and low vac. but sometimes it will go way rich no load. have the safc2 no lo throttle settings. Need to wire in my lc1 with the factory o2 cause it is not installed (factory o2) and think...

i am guessin you swapped harness and ecu as well correct? if not then your problem may be in the afm conversion not bein read by ecu. I would check for codes as well as checking leaks. please list all that you swapped

ok so still no leaks found. can the exhaust back pressure make a difference in engine vacuum? that is the only other thing that was changed was installing the t4 tubular manifold.

515/456 16psi. stock engine gt4088r 560s led afpr walbro 3" ex 2.5" ic safc2. still runs rich. dyno sheet soon

what about the air going in to intake through engine? i think i can work something out maybe just take accordion off and pressure the turbo inlet pinch off the pcv and iscv lines. just worried about the air going into the engine trhough open valves

where can i find a qsv? also what would be the best way to psi test this system? have heard of a few ways but the inlet on this turbo is rediculous big. Also would it be possible to get the car up in the air and have some run it maybe break boost it and search for leaks that way?

i am on it.

When i talked to aaron at dm he said like 1 in 30 will have random failure. whether it is defective parts or assembly. i was impressed with it along with the customer service i got from aaron. he is going to warranty the turbo for me, i just need to send it in soon.