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  1. twinturbozs

    Best looking aftermarket front bumper or lip?

    Im considering changing my front bumper out with something slightly more aggressive. It cant be too low since it will scrape on the hills of San Francisco. Please nothing too ricey either. Suggestions and pics?
  2. twinturbozs

    NGK wires and NGK 6097 spark plugs wont fasten down?

    I was in the process of swapping out my Autolite 3923's for some new NGK 6097 seeing how they were getting high recommendations. I cant get my current NGK wires to seat on the plug. Its almost as if they are too short. Has anybody else had this problem?
  3. twinturbozs

    Time for new spark plugs, will stock MKIV TT plugs work?

    im currently using autolites 3923's and i get a slight miss with them. Ive read that NGK 6097's are another option. But im wondering will factory toyota plugs for a 2jz work? will they be too short? Ive read the iridiums help smooth the idle out a bit. Im running moderate boost. 18lbs on a...
  4. twinturbozs

    Cracked Cooleeze DP can it be repaired?

    Lately my buddy's car has been getting louder and louder. We recently discovered that his DP has cracked right at the flex pipe. Its approximately 2 years. Any idea if this can be repaired?
  5. twinturbozs

    Motor Weight: 7M or 2JZ which iweighs more?

    I was curious if there is a huge difference in motor weight between the 7M motor with stock turbo and the 2JZ motor with stock twins. Im thinking it could affect your suspension setup if they differ by more than a few hundred pounds.
  6. twinturbozs

    Will adding 550's raise fuel cut?

    I have a lexus AFM and thought i installed a set of 550's. i bought them used, but now im wondering if they were actually 550's and not stockers. Im getting premature fuel cut. So will 550's help raise fuel cut? or will the stock 440's contribute to premature fuel cut?
  7. twinturbozs

    Causes of Fuel Cut beside boost leaks?

    Im getting FC when i romp on the throttle in the early rpms (3-4k). I tested my IC pipes and i have a very small leak inside the turbo itself. But the system can still hold pressure for at least 5 minutes losing about 2psi per minute. Doesnt seem like enough cause FC. Are there any other...
  8. twinturbozs

    Fuel cut without boost leaks?

    Im getting some fuel cut when i punch the throttle hard early in the rpms before boost even maxes out. Ive done a boost leak test and found there's a slight hiss right at the turbo itself. Its very slight but audible. No leaks anywhere else. When i tested it, the IC pipes held a positive...
  9. twinturbozs

    Dynoed my SP61GT very dissappointing #'s

    I got my Supra dynoed today, and confirmed my seat of the pants feeling. I ended dynoing 316rwhp on 18psi. Seems as though a few others who have dynoed their SP61GT have gotten 380-400rwhp. This was using a dyna-pack, whether or not it makes a difference. A few problems i encountered. I maxed...
  10. twinturbozs

    Oxygen sensor gone bad? Lean at idle, any ideas?

    A buddy of mine used a multimeter using the diagnostic ports OX1 and IG. The reading gave a pretty constant reading of .62-.63V at idle. He says it should flucuate between a much wider range maybe between .3V - .8V. He recommended that i replace the sensor immediately with another OEM unit...
  11. twinturbozs

    How does the Brake fluid sensor work?

    I plan on swapping my MC to a 4runner one, but the resevoirs are different. Im curious how the sensor in the supra actually senses if the fluid level is low. Inspecting the unit, the stem(sensor) looks like a sealed unit. There is a round cushion that slides up and down the stem. Can any of you...
  12. twinturbozs

    Finally got my Supra on the road course.....

    I had a great time yesterday. I was in the mid level group where all the other cars had some form of competition tire. I hung in there with them. Fortunately nothing broke! The photographer there got a few cool pics of me, what do you think? How many other guys here road race their MKIII?
  13. twinturbozs

    Brake Master Cylinder ABS -non/ABS difference?

    Im wondering if there is any performance difference or problems with swapping an non/ABS master cylinder into one with an ABS. I understand the ABS system will probably not work, but what about the rest of the brake system.
  14. twinturbozs

    MKIV oil filters? Will they work?

    Has anybody tried using a MKIV oil filter on their MKIII?
  15. twinturbozs

    EGR partially stuck open - same as a boost leak?

    I have some suspicion that my EGR valve is stuck partially open or possibly just sticking on occasions. Would it be similiar to a boost leak?
  16. twinturbozs

    Replacing EGR valve?

    Does anybody have a step by step instruction of, how to remove and replace the EGR valve? Mine is going bad and needs to be replaced.
  17. twinturbozs

    Larger Brake Master Cylinder options- 95 4Runner w/ABS?

    Ive been searching for possible brake master cylinder upgrades for my MKIII. Ive found that a 1995 Toyota 4runner with ABS is actually a 1 1/16" Bore size. Compared to the supras master cylinder which is only 1". What im wondering, will a MC from a 1995 4runner bolt up? the outlets are very...
  18. twinturbozs

    Spongy Brakes - need some advanced help.

    Im trying to diagnose my spongy brakes. Please read the facts before blurting out a recommendation. 1. 14" w/6pot Precision Calipers 2. 3 different mechanics have swapped 3 different Master cylinders 3. The pedal gets nice and stiff with engine off when pumped 4. When the engine starts...
  19. twinturbozs

    Lexus AFM measurements -- only 15% larger?

    I also posted this on Supraforums. I did some quick measurements of my Lexus AFM compared to the stock AFM. I measured the mesh side of the AFM's. Lexus AFM width = 2.98" length = 2.58" Total area = 7.6884 Stock AFM width = 2.82" length = 2.38" Total Area = 6.7116...
  20. twinturbozs

    Stripped flare nut on brake line?

    The 10mm flare nut for my brake line is stripped, its the one inside the fenderwell. What options do i have to repair/remove it with a working piece?