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RedLexus

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Posts posted by RedLexus

  1. Mr WIM , I'm not super technically minded , could you please explain this to me in laymans terms? Very interesting reading on the WIM site... http://www.wheels-inmotion.co.uk/

    In the two cases it can be seen that the bigger the castor angle (either negative or positive) the greater will be the longitudinal offset, and the greater will be the shift of the point of application of the resistance force during steering, therefore, the conclusion can be drawn that the couple “rolling resistance and the kingpin axis extension” is both straightening and self - centring, and directly proportional to the longitudinal offset,

    In the most common case, with a positive castor angle, the couple, which creates the steering return, will contrast the steering movement when a steering action is performed by the driver, thus, it could be said that, the bigger the positive castor angle, the greater will be the force exerted on the steering wheel to turn the wheels but, at the same time, there will be an increased conservation of the direction of the vehicle under the effect of perturbation forces against straight line travel,

    Just I'm curious as to what caster does for steering feel .

  2. My IS has been off the road for a while , and now it's getting some TLC ... new tyres , suspension etc . My query is , are the OE suspension settings best for handling , or are there proven tweaks that improve the set-up? My biggest fault would be the lack of steering feel , I was wondering if more caster would improve this? Or , once again , am I mad? :shutit:

  3. The car is now much better , the tuner (TrackDayPerformance on Co.Wicklow, Ireland) also fitted a bespoke cold air intake , made in stainless , with the filter on the intake , in the space in between the inner pastic wheelarch and the front bumper , sucking air from the (enlarged) scoop/vent beside the RHS foglight.

    Combined with the S-AFC2 I now have 23bhp up on before.

    Funny thing is, both mine and another IS200 , on the same DynaPack only showed 140 bhp....the other car is 2yrs older than mine...and the Dyno isn't reading low , as several other cars gave the proper bhp at a meet we had lately.

  4. DESIEL= tractor  :lol:  :lol:

    Dunno...it pains me to say it but the new Turbo D's arre getting ever more impressive...take B*W's 535 thats coming out..3.0 with 27-something bhp! and enought torque to spin the earth backways!

    Even Toyotas new 1.4 T-D Corolla will have 90 bhp!

  5. Any pics from the back please? I'm looking at a Piturra spoiler which is sweet as can be and it's pretty similar to this except bigger - wondering where to spend my cash!

    I've a Pittura Sport one , It fits nicely , but they're awfully flimsy! I filled mine with expanding foam to strenghten it , before bonding it on with Windscreen sealer.

  6. could be that the damper its self has gone, that would explain why it feels crappy.

    Definately go with coil overs! if not get new shock bodies or even spax make a full kit for £500 all round

    The dampers are new genuine Lexus ones , fitted by the dealer :blink: ...

    Mebbe I'll go for a set of Spax or some Coilovers, on the rear only.

  7. Here's the story: I've lowered my (standard) IS on Eibachs by 30mm...The front is grand , both for height and handling , but the rear is causing me concern. Basically the car feels very soft on the rear , I even had to put a skid plate on the exhaust it was bottoming out so much! Two up , in the front , it feels OK , but put any load into the boot , or carry any rear passengers , it feels very wallowy and crashy , hitting the bump stops far too easily. I don't drive it hard on bad roads , mostly cos I can't ! BTW the dampers were replaced all round only a couple of thousand miles ago under warranty by the dealer......

    I'd also like if the rear was a tad lower say 10-15 mm.....

    What do you guys and gals reckon? Coilovers?

    Bear in mind , the roads are pathetic in places around home....

  8. I did a similar mod to my lights some months back , but I got the surrounds rechromed in a darker chrome , I didn't notice any loss in light output whatsoever either , and it looks much better/meaner IMHO.

    I also did the fog lamps the same way , they're easier to take apart than the headlights btw...

    post-63-1096314849.jpg

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