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boost It is running 7psi boost i had a 8:1 fmu on it but it was way too rich and cost hp . timing is fine the ecu has knock sensors so if you get any detonation it will take out timing automaticly. with it runing rich it was making 225 rwhp and about 950 rwnm of torque. Regards oz

Hi guys I am still in need of info on sc400 us spec .Does any one have an original sale brochure from the early 90's which has performance specs and tech info on emmisions. this is important as with out this info we may not be able to use lexus engines in our cobras and gt 40s anymore we have to...

tuning It has a std ecu with no plugins the only tuning that has been done is with the fuel curve produced by the fmu to get the a/r right timing and all other functions are std . The vortec super fmu is very good it has progressive curves and adjusts easily . I am going to put a turbo on my...

Update. I finally got the commodore retuned with a vortec super fmu which has adjustable rising rates varing from 3.75 to 2.22 by changing the size of the plate and ring inside the unit started with the richest and changed it once to a middle sized plate and it was perfect low 8's on the lambda...

slackers!!! I cant believe that no one has responded to my small request. I guess its all right to get advice and help when you guys need it but when some one needs a little help you are all deaf to the request. atleast i know how to respond to help in the future. OZ

Hi guys Can one of you in the States do me a big favour and Take a digital pic of a sc400 or ls 400 early 90's emission sticker which is on the under side of the hood it has the emmision specs for a tune up on it . the bigger and clearer the better . also could some one in Australia do the same...

Re built?? Hi guys if the pump was rebuilt properly and has started leaking from the seal I would say that it was damaged during instalation. I have found that it is very rear for the main shaft seal to leak but the o-rings on the oil inlet and the bung on the pressure relief valve get hard and...

Thanks. Thats what i need can you email them to me many thanks. [email protected] Regards scott.

Anyone.?? Iknow its not the same a picture of a BIG TURBO but i need this info can any one help. I will post some pics of my new racecar. Regards oz

not a bad engine. They are a fairly good engine but when you go to work on one your realy see that it was desighned by a commitee in the valley there is more pipe and tubes than you could poke a stick at .Its really messy in there and what a pain to get the plenum off. It has its good points...

HI guys i am in need of help to get some infomation on japan spec 1uzfe and US. spec 1uzfe what i am after is performance specs std and emission specs so i can compare the two countries against australian spec 1uzfe engines. If any one has any info on these please send it to me at...

fitting a tremec I have fitted a 3550 tremec behind a 1uz it was a fairly easy conversion . i have sold that box and bell housing to a friend with a turboed 1uz and he has had no trouble from the box. what not interested in the v160 now??? :) Regards oz.

Torque?? Hi I would use the factory torque settings as the stud will give a better pull down and will be close to the required torque . the only problem with this is that the head torque specified in 2 parts it requires you to tighten down to a specified torque of i thinks its a about 35...

Hi guys i finally after over 6months of waiting got my 2000 sc430 1/2 with only 44000 klms on the clock runs sweet as . should make a nice powerplant for my new cobra that is if dont put it into some thing else while i am building the cobra. I think an aftermarket ecu will get the most out of...

Idleair. I plumbed it off the rear of the inlet manifold with a bit of 3/4 hose and a plate bolted to the valve then the air into the valve come from just in front of the throttle body. it also uses a gtr skyline bov for air recirculation . even the cruise control works fine. Regards oz.

Dyno results I took the car over to check the air fuel ratios and see what sort of power it made. Well the word rich is an understatement at its richest it was 10.5 :1 so i know we are loosing a heap of hp from that . I will have to fiddle with the fmu springs to get it right. It made 227 rwhp...

not a problem I have 150 hp of nos using a wet system and the auto copes fine though it has been shift kitted and has very solid changes. oz

Cobra It was an ac cobra replica with a 1uz a rajay turbo 38 mm tial gate 50mm tial bov and motec ecu . It also has gtr skyline suspension and brakes . that 120 mph wheel spin was done with 225 x 18" slicks in front off 50 people. When i put 285 slicks on it wheel spin droped to 100 mph it was...

yep. Hi yes it is the factory manifold that i modified which seems to be working the only dissadvantage i found doing it this way is i could not get the blower low enough to clear the hood so it now has a small powerbulge for the pulley to clear. The blower i bought off a forum member it is a...

lots of funnn. They are a handfull in the wet especially with a manual and chunky off road tyres. if your lsd is working its a hell of a lot of fun. You got to remember it is a heavy car and top heavy as well it can be hard to stop in a hurry . Regards oz.