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  1. Zuffen

    1UZFE ring/bearing rebuild

    Quite often you will find it cheaper to buy another engine and do a swap rather than rebuild an engine.
  2. Zuffen

    No power and bad backfire under throttle

    Could be a plug lead )or 2) braking down under load. These engines run quite well on 6 cylinders until you load them up.
  3. Zuffen

    OBD2 position on lexus conversion

    Not all 1UZ's are OBDII. Can you tell us what the came out of and the age of it. If you purchased the engine and don't know what it came out of the spark plug leads may still have the production date on them.
  4. Zuffen

    Alternator troubles in my 1991 LS400

    13.9 Is quite acceptable. Once you drive off from a stop the voltage is more than acceptable.
  5. Zuffen

    Pulley stuck?

    You could remove the tensioner an tap the pulley of the shaft, leaving the bearing on the shaft. Break out the angle grinder and cut the bearing almost all the way through the inner race. it should then crack the cut and come off quite easily. The bearing is a common size and readily...
  6. Zuffen

    Alternator troubles in my 1991 LS400

    12 volts at idle is a bit low but not unknown. What voltage is the alternator showing at 2,000rpm?
  7. Zuffen

    1uz non vvti. running extremely rich on startup!! Help!!

    Temp sensor sounds faulty. The car is loading up the fuel as it thinks its very cold. Once you get it up in revs it will clear the fuel load and run better but still be running rich.
  8. Zuffen

    1uz vvti very high idle and no e-throttle response

    I'd be checking for a large vacuum leak. Start with what you removed and check it first.
  9. Zuffen

    2007 Lexus is250 won’t start

    Time to start tracing power to/from the fusebox.
  10. Zuffen

    Keep blowing headgasket on N/A 1uzfe

    I lifted the heads on my engine with MLS gaskets but it was running 21psi and a poor tune. Rebuilt the engine and didn't re-machine heads and it ran until sold without any problems/ I used ARP studs.
  11. Zuffen

    2007 Lexus is250 won’t start

    OK. When you turn the key to the start position what does it do? What sounds does it make? If there isn't any click (the starter solenoid operating) it's either a faulty switch, the relay between the switch and the starter or the solenoid. To separate them try running a lead from the...
  12. Zuffen

    2007 Lexus is250 won’t start

    If the battery has sufficient charge the problem is downstream from the battery. Start checking voltages and continuity from the battery posts to the cables, then move to the other end of the cables and work your way to the starter motor. Have you tried shorting out the starter solenoid to see...
  13. Zuffen

    What is the main kit, part or mod you need that isn't available?

    You will find Sudsy here. https://www.facebook.com/OziSteer/?eid=ARBt1DkKVylvhcPpZLJ--upWfm_PxdwljvWo2yLbAVKXLwg1q8JYLUjZKy7oxT2VBnsG6kZt65lXZA9O Good luck, He's a nice guy.
  14. Zuffen

    Ford Mustang Wheels

    Yeah, If only Mike could say Three instead of Free! They would put a huge amount of work in and make a few hundred Pounds profit. Making a profit wasn't the aim as they made a motza out of the TV show as each episode has been re-run to death.
  15. Zuffen

    What is the main kit, part or mod you need that isn't available?

    I know Sudsy is on another Forum I'm locked out of. I wasn't banned just the Forum owner can't moderate the Forum and there was a glitch and I dropped off the board. I was supposed to take over ownership in May but the US connection is being painfully slow in making the transfer. I have...
  16. Zuffen

    What is the main kit, part or mod you need that isn't available?

    There is a Member on here who makes a real rear sump. They are cast in Adelaide (Australia) and the quality is very good. I have one on my car and it fitted well first go. I'd buy another if I needed one. Now to remember his username!
  17. Zuffen

    Rx7 fc T2 1uz swap

    The purchase of an engine and transmission is usually the cheap part of an engine swap. By the time you get into engine mounts, radiators, bellhousings, drive shafts and wiring you've burned through a bunch of funds. Especially if you pay to have it done. People forget all sorts of minor...
  18. Zuffen

    Rx7 fc T2 1uz swap

    Whilst the 1UZ will fit they are a big wide engine. If I wanted to make a drift car out of it I would use an LS1/2/3 as they are cheap in the States, smaller, lighter, more powerful and cheaper to get more power from than a 1UZ. I know it doesn't make sense on this Forum to say all that but...
  19. Zuffen

    Full bolt-ons for 1991 LS400

    I think you need to tell us exactly what you plan to bolt on. Is it turbos, supercharger or ITBs? More information and we'll offer help.


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