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Everything posted by jdmparts_guru

  1. Did you check your balljoints? These need to be replaced relatively often. After replacing these on mine, steering was much more firm.
  2. Also do an engine flush and replace the transmission fluids.
  3. Try to contact TDi. The Camcon they are now promoting may be able to help a little. also consider an intake. What year is your GS300?
  4. Same class as HKS and Trust/Greddy
  5. A lot of the engine modifications that fits a Supra TT MKiv will fit an Aristo TT MK1. The Aristo mk1 chassis is very similar to the Supra, so the front and rear brakes are interchangeable, you can use Supra TT bigger front and rear calipers and upgrade your MK1 without problems. (Only be sure that your rims clear :winky:
  6. I do not know the 3G discs, they seem a 'local' flavor. If you are more longterm performance orientated, then get a disk with only a few grooves (e.g. 5 grooves). The more grooves you have the faster you eat through your pads. Btw ... most of the brake manufacturers you mentioned are offering several grades, not too sure if I could give you an recommendation based on only brake manufacturers names
  7. If you look at the different spring rates that are being used by the coilover manufacturers, it will appear that there is a very big difference ... for instance Tein CS 8/ 6 Tein Flex 10 / 8 Tein SS 8/ 6 HKS Hipermax II 10/ 9 HKS Hipermax LS+ 8/ 8 HKS Hpermax Pro 16/ 12 Main purpose of the springs are to keep the car at a certain level and to provide enough comfort and handling with the shocks. The above spring rate are chosen by the manufacturer on their own R&D, but can be changed based on a person's personal preference and according to local road conditions. Most JDM coilovers were made for the RS200, which has a similar power output to the IS300. So the IS300 , RS200, AS200/IS200 can all use the same coilovers, it is merely an user preference.
  8. V-Maxx is an aggressive suspension specialist based in Holland. V-Maxx is owned by Hiltrac B.V., which is one of the bigger suppliers of suspension parts to private labels, including wellknown names in Germany and UK. Their springs are made in Holland and are made of the same high quality spring steel (CrSi) as Eibach and/or H&R. All these springs are cold winded for perfect fitment and are warrantied for 2 years. ------------------------ Existing Group Buy is for: V-Maxx Lowering springs Lowers approx 25 - 30 mm Ride is very comfortable near stock, while handling is improved. Made in Holland Comes with TUV for certain Lexus IS200 models Will fit the IS200 and Altezza (May fit the IS300, but front drop may be a little more, please contact me for more info) 2 years manufacturer's warranty Goldmember GB Price: GBP95 incl shipping (within UK) Non-Goldmember GB Price: GBP110 incl. shipping (within UK) There is no need to wait till the closing date of the GB. Springs can be ordered and shipped out individually. Shipment will take place approx. 7 - 10 days after receipt of the full payment. Terms and Condition: - GB price is valid till 31 January, 2006 - For paypal - please add 3% - For GB participants please pay no later than 7 February, 2006
  9. if it were 500kg ... of coz it would be different, but it isn't! Also, we are now talking about whether it would fit or not. However, the weight difference of 100kg may affect the handling/ride a little.
  10. To what i know Toyota/Lexus do not sell bushes for the GS control arms, however, TRD and Daizen do. Daizen sells polyurethane bushes in a complete set for the front control arms for approx. US$100 + shipping, while TRD sells hard rubber bushes as well.
  11. The difference between the IS200/Altezza and the Is300 is neglectable, as stated by Mat. It is merely a marketing hype that these are different.
  12. reading your post ... i assume that the car was in good shape whem you got it 4 years ago. So, if the handling/ ride has deteriorated since then, and you have not changed your balljoints, you should try that. Worn balljoints and control arm bushings is a common GS problem.
  13. HKS plugs are made by Denso, but have different specs and are more optimized for performance. Same as the Toyota Iridium plugs, these are optimised for long life. If you read the specs, the life of the Toyota Iridiums are longer than the Denso ones.
  14. I personally would go for an HKS FCON Vpro or S ... The Toms is too much optimised for Japan conditions, and may not be able to reach its full potential in the UK conditions. In addition, the Toms ECU settings are a compromis (Toms are not known for its aggressive settings, rather more for comfort/ride) and you cannot alter any setting.
  15. to what i know is that the ARS cancellor is a brace that prevents the rear from moving. No electronics.
  16. Yes, you are correct. The Aristo has ARS, and will try to compensate fast cornering by adjusting the rear wheels electronically. This is often seen as undesired and will cause more wear. Toms ARS cancellor is the only solution i have seen that overcomes this.
  17. what pads are you using? Some pads will leave brake dust on the rotors causing them to warp. Also, did you try to resurface your rotors, it is not always necessary to replace warped rotors.
  18. the sport and SE are likely to have the same shocks. The only possible difference may be that these are different tuned, with the Sport having slightly stiffer rear shocks. However, for you case, if you want to install these on your car, both will work.
  19. IK27 are also widely used for very high revving cars ... Honda Civics, ...
  20. Q. What makes Iridium better? A. Until recently, platinum was considered the best material to use on the top of an electrode because of its durability. However, Iridium is 6 times harder, 8 times stronger, and has a melting point 1200 degrees higher than platinum. Put that into a harsh environment such as an engine piston chamber, and you have a spark plug that can resist wear much better than platinum. Additionally, the DENSO Iridium Power alloy is so durable; it allowed our engineers to produce the world’s smallest center electrode (.4mm) which reduces the voltage requirements, concentrating its sparking power. Also, its smaller size, combined with the tapered U-Groove ground electrode, allows more room for the flame kernel to develop and produce a more efficient combustion. Q. How long will Iridium Last? A. Iridium use represents the most significant technological advance in automotive spark plug manufacturing, since platinum was introduced in the early eighties. As vehicle manufacturers produce increasingly complex and efficient automobiles, there is a greater need for long-life plugs that can tolerate leaner fuel mixtures and improved combustion processes. DENSO has responded to this need by developing its Iridium alloy, originally for OE applications. For example, many newer Lexus’ and Toyota models carry an ultra long-life Iridium plug variation (.7mm with platinum tipped ground) that is capable of up to 120,000 miles of service. DENSO Iridium Power plugs, with their .4mm center electrode, have been developed for performance applications. Because gradual wear will “round-off” firing points over time, the concentrated firing power and voltage requirement benefits will be reduced. For this reason, DENSO advises replacement after 30,000 miles. Q. What kind of performance will I get from this plug? A. Generally, you do not purchase spark plugs for performance enhancement. While DENSO Iridium Power spark plugs have contributed to numerous accomplishments through dyno-testing and actual use, their true benefit lies in their efficiency, durability, and improved firing power. Serious tuners modify their vehicles by increasing boost through turbo-chargers, super-chargers, and Nitrous. They are also known to add high-energy ignition systems, tinker with timing, adjust fuel mixture ratios, and increase horsepower through other means. Putting these kinds of demands on their engine increases the need for an efficient, durable spark plug that can handle these kind of harsh environments. That’s where DENSO Iridium Power can make a major difference.
  21. hmmm... IK16 plugs are less aggressive, but will likely last longer. I am using IK20 plugs on my GS300, but want to try the IK22 next time. Most Altezza drivers i know use IK22.
  22. hmmm ... i think it is FIBERGLASS ... i never came along plastic or PU Altezza grilles (Except for the TRD/Toyota ones). Having the primed in grey basically gives him away ... most of the primer that is used in Hong Kong is grey... However, fiberglass, if manufactured correctly, is not bad ... even the Lotus car bodies are often fiberglass ... and yes, there is fiberglass and FIBERGLASS
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