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ERO54N

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Posts posted by ERO54N

    Horrible Handling on R34

    in General Maintenance

    Posted

    Hello Ryan,
    Maxed out as in lowered to the limits?
    Can you check if the dampening has also been adjusted to suit?
    Coilovers usually work well within a range but when they are set to extreme settings for daily duties they tend to fail.
    The short travel stroke can result in over agitation of fluids (decreased dampening, ie springy) and components to physically bottom out on bumpstops.
    Also the car's roll centres will be really out if you lower too much.

    Disadvantages may outweigh benefits.

    Sway bar, links and spring rates

    in Suspension, braking and tyres

    Posted

    On 9/26/2018 at 6:04 AM, Stixbnr32 said:

    Do I look to upgrade the sway bars with cusco items which are very stiff front and rear?  Do I use the standard links or is there something else you recommend?

    Hello Brent,
    Don't be afraid to upgrade if you feel the need to.
    Swaybars are a safe enough swap for a commuter as you only really notice them when they flex (potholes rather than speed humps).
    From what I have heard swaybar bushings are another important factor in ride compliance.

    I think standard links will suffice. I believe adjustable endlinks are generally used to remedy misaligned suspension geometry due to excessive lowering and to balance corners via preloading. Might be excessive in your circumstance. Although you may want to consider refreshing the rubbers on the endlinks to keep everything tight.

    I do like the fact that Whiteline provide a whole kit.

    Keep us updated with the results!

    Spring rates question

    in Suspension, braking and tyres

    Posted

    Hello R377,

    My understanding is that spring rates and damper rates are 2 totally different things but are tuned in conjunction with each other.

    I think substituting damper hardness for spring rate wont be equivalent to uprated springs.

    And harder not always better for track.

    Sorry, probably not what you wanted to hear.

    • Like 1

    Is bigger rotors with same calipers worth it?

    in Suspension, braking and tyres

    Posted

    Interesting scenario, can we perhaps negate car model and discuss the extremes to highlight attributes associated with big vs small rotors? 

    Theoretically, as mentioned above disc size would increase the potential limit of heat absorbtion and dissipation through increased thermal mass. Would material also affect the rate and limit of which the disc could convert force into heat? 

    If discs were thicker they would also be able to accommodate larger vanes increasing cooling surface area.

    I think also being more further away from the axis the braking moment (as in force over distance) would be increased, increasing stopping power but also may promote locking up? 

    I forget, is unsprung weight a good thing or bad thing for handling? Larger brake disks would weigh more, statically lowering the centre of gravity but because not a rigid connection to the chassis may also be a disadvantage in a dynamic situation?  Would rotational mass of rotor be negligible due to being so close to the axis? 

    Heavy front rotors would take the trajectional force better under extreme application than lighter rotors, right? This would provide more stability on hard braking when the nose dives onto the front axis?

    I don't know, just curious. Any experts in this field? 

    • Like 1
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