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    Re: Redline Revolt rebuild / modify
    #31
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    Hey K, Thanks for the feedback on the shocks.

    On another note...I found a piece of rectangular tube in my pile of scraps and made a trial spreader so the upper rear transverse links could be shortened (get more camber gain) like you mentioned above. I only ran it for a couple hours on a small track. But WOW what a difference it made, FAR MORE than I was expecting. It felt weird at first because it changed the "out of corner" handling, but after a coupe of laps I got used to it. It was the first time I could actually "set" the rear end, keep it pegged and have it stay where I put it on the bank, until I came out the other end. I am assuming (but haven't checked yet) that by moving the upper inner mounting points forward and not the bottom mounting points, that I changed the amount of compression toe in that is there normally. once I get the new brackets put on and both mounting are moved forward I can verify.
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    Last edited by Frank; 09-04-2019 at 07:21 PM. Reason: added pics
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    Re: Redline Revolt rebuild / modify
    #32
    The Wizard bdkw1's Avatar
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    Nice, camber gain good........
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    Re: Redline Revolt rebuild / modify
    #33
    Keeper of the Asylum K-fab's Avatar
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    Toe isn't going to change (much - anything noticeable) - it's set by the trailing arm/carrier.You're playing with the transverse links. The upper one, now being shorter, makes the camber increase as the suspension compresses because the upper mount is on a tighter radius than the lower, hence pulling the top of the carrier in as it cycles. It'll do the same as it droops out too, which is desired - keeps the scrub down some.It's letting the wheels keep the contact patch better placed and not allowing the wheel to roll out over/away from the contact patch. Instant traction.
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    Re: Redline Revolt rebuild / modify
    #34
    The Bob Ross of MBN Bullnerd's Avatar
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    For reference.

    Congrats, been waiting for someone to to fix the rear of one of these things and tell us how it goes.

    APPLE_iPhone 4S_1840309144-1840313179_000.jpg
    "Speed is time-time is speed"-Dennis Hopper

    Quote Originally Posted by TALON View Post
    did you use a special bigfoot camera or something ,you know all blurry could be a tree stump kinda thing .
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    Re: Redline Revolt rebuild / modify
    #35
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    Hey Bull,

    Your pictures are appreciated, keep them coming. It's been 30+ years since I've turned wrenches or messed around with buggies. Visual aids are great.

    PM sent.
    Last edited by Frank; 09-08-2019 at 11:52 PM.
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    Re: Redline Revolt rebuild / modify
    #36
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    Moving on to the front end...

    While gathering the front end info I identified the following...


    • Total front end weight is 250#, 125# per corner
    • Disconnected the shock, set at ride height and found the unsprung weight to be 50# per corner (40% of corner weight)
    • Tire & rim weight is 30# each
    • Motion ratio is .87:1 (not considering shock angle)


    Wondering what others have done to deal with high unsprung weight ?
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    Re: Redline Revolt rebuild / modify
    #37
    Keeper of the Asylum K-fab's Avatar
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    Lighter rims, like Douglas Red Labels - what do the cast wheels weigh?
    Lighter tires - but what?

    I wonder how much the motion ratio changes as the suspension cycles? I can’t recall how much the shocks are laid over.

    Might be chasing a bit of a ghost presently instead of working with geometry to make things happen better first.
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    Re: Redline Revolt rebuild / modify
    #38
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    what do the cast wheels weigh?... OEM wheels weight 13#, the tire weighs 17#

    I can’t recall how much the shocks are laid over... 20 Degrees

    Might be chasing a bit of a ghost presently instead of working with geometry to make things happen better first.[/QUOTE]... I agree, I am starting at the tire and working my way inwards.

    I found a website called "racing Aspirations" and have started to play on it. Not certain it will be able to give me the answers I need, but it should give me a better understanding.
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