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Another LCA question

This is a discussion on Another LCA question within the Suspension and Handling forums, part of the General Help category; I tried to find my previous thread asking some other LCA questions, but it has evaded me. My question is ...

  1. #1
    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    Another LCA question

    I tried to find my previous thread asking some other LCA questions, but it has evaded me.

    My question is this: Will LCA's be effective on an otherwise stock-suspended car? Or will it be kind of a waste unless I did shocks and springs? I'm getting some pretty nasty wheelhop on the 1-2 shift. ...and the 2-3... and the 3-4 if it's cold outside.

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    MEMBER 5150's Avatar
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    SILVER
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    every little bit helps. those factory peices flex pretty good especially with some decent horsepower and a m6.

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    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    all i have on my 00 formula is trailing arms and panhard rod. run mid 11s. it's the best place to start at. quick and easy first suspension mod. seeing as you have a 98, i'll assume you have some mileage on it. the wheelhop can be stopped with better shocks as well.

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    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    Yea it's got some aftermarket bilsteins on SS take-off springs (are they any different?). The previous owner went ahead and did that swap. I'm probably ordering some other goodies here soon. Thanks for the input.
    Last edited by jimbo98z; 02-21-2006 at 08:18 AM.

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    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    Another thing, are UMI components (Panhard Rods, LCA's) any good or would I be a lot better off spending a little more money. WS6store.com has a package that is a non-adjustable panhard rod and LCAs for $165 and I was wondering if it is a good deal. I think I might end up going with a Spohn panhard and either BMR or Lakewood LCA's

    Thanks

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    So far I have a UMI SFCs and STB and I am happy with them, and from what I hear from the other people UMI is some good stuff. Some times they give Dayton Fbody some good deals with the group perchases.
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    Space Cadet RainMan's Avatar
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    Quote Originally Posted by jimbo98z
    I tried to find my previous thread asking some other LCA questions, but it has evaded me.

    My question is this: Will LCA's be effective on an otherwise stock-suspended car? Or will it be kind of a waste unless I did shocks and springs? I'm getting some pretty nasty wheel-hop on the 1-2 shift. ...and the 2-3... and the 3-4 if it's cold outside.
    Just rec'd a few Chassis and suspension components that I ordered, waiting on the last piece.

    Will let you know how they work when I get them installed. (Mine is an A4 car) Mostly Stock. Opted for Suspension upgrades to tighten up the car before I uncork the motor.

    Lakewood LCA's
    SLP SFC's and Drive shaft Loop/Trans Tunnel Brace
    Edelbrock Panhard Bar
    Hotchkis STB
    T/A Billet Diff. Cover w/ adjustable preload

    More to come later!

  8. #8
    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    OK cool. I haven't heard anything bad about UMI, but i was just checking

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    Quote Originally Posted by engine_run
    So far I have a UMI SFCs and STB and I am happy with them, and from what I hear from the other people UMI is some good stuff. Some times they give Dayton Fbody some good deals with the group perchases.
    same here, putting my sfc's on today or tomorrow i hope, they looks awesome!

    i plan to get most of their other suspension also.

    i have spohn for my thirdgen, works excellent also.
    Pontiac Firebird's: 91 Formula 350, 01 Trans Am WS6, Suzuki's: 09 SX4 Crossover, GSX-R's: 06 600 & 07 1K.
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    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
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    Ordered the UMI trailing arms and panhard bar yesterday

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    Quote Originally Posted by jimbo98z
    Ordered the UMI trailing arms and panhard bar yesterday
    Cool, let me know what you think when you are done.

  12. #12
    Crazy Canuck ! Eugenio_SS's Avatar
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    you'll still get some issues... just remember that wheel-hop is caused by wheels uncontrollably going up and down... hence, the shocks aren't able to dampen the wheel motion.
    Getting shocks will kill the problem and also allow you to get a more confortable and better handling car.
    LCA and relocation are patches.
    I'd get shocks and only get LCA later if you deem needed.
    Eugenio_SS
    almost stock triple-black 2000 SS convertible with 17x11s on all 4 w/ 315s at the track or on the street with 18x10.5s on all 4 w/ 315s: (1), (2)

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    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
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    Quote Originally Posted by Eugenio_SS
    Getting shocks will kill the problem and also allow you to get a more confortable and better handling car.
    LCA and relocation are patches.
    I'd get shocks and only get LCA later if you deem needed.
    The Bilsteins I talked about ealier have less than 15K on them, so I think they're still good.

  14. #14
    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    Turns out part of the problem is tranny mount too. Stupid torque and it's breaking stuff... It is definately not shocks, since another guy I know drives a T/A with my exact same suspension setup and his shocks are older than mine with zero wheelhop. I'm gonna slap a poly mount under there tomorrow and see how she does

    Overall though, I'm very happy with it so far. Even though I still have some issues due to the tranny mount, the rear feels much more planted, especially under accelleration.

  15. #15
    SUPREME member-oderator oneBADDz's Avatar
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    get used to replacing that tranny mount

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    Space Cadet RainMan's Avatar
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    Quote Originally Posted by RainMan
    Just rec'd a few Chassis and suspension components that I ordered, waiting on the last piece.

    Will let you know how they work when I get them installed. (Mine is an A4 car) Mostly Stock. Opted for Suspension upgrades to tighten up the car before I uncork the motor.

    Lakewood LCA's
    SLP SFC's and Drive shaft Loop/Trans Tunnel Brace
    Edelbrock Panhard Bar
    Hotchkis STB
    T/A Billet Diff. Cover w/ adjustable preload

    More to come later!
    Update! Installed the stuff!

    This past weekend I started my chassis & suspension upgrades in the WS6 T/A. I installed the SLP SFC's, and the SLP tunnel brace with Drive-shaft loop. Also installed Hotchkis STB, LCA's, Panhard bar, new poly torque arm bushing, and a T/A billet rear end cover with preload adjustment. Still have more to go.

    Totally new ride! no more creaking and popping from T-Tops, and rear hatch. Much more positive feel and control in turns, pulling out of and entering steep driveways. No more twisting and flexing in hard cornering, car is easier to handle and control. Starting to feel much more like my IROC in handling. It (IROC) has full suspension re-work, except SFC's. But it (IROC) is a hard top car, no T-Tops. Both the T/A & the IROC-Z are A4 cars.

    I personally like the stability of the DD (3 point SFC's) My SLP SFC's were purchased used for $100. I stripped and refinished them and am happy with the result. Undercoated all attach and contact points after install.

    My $.02

    Have pics if interested.

  17. #17
    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    I got my tranny mount in, and with everything else I changed, its like driving a completely different car. The rear end feels a lot tighter and a better planted. I can't get the wheels to hop even if I try. I've tried banging it into second on all kinds of road surfaces and not so much as a shudder. My only complaint is a little more vibration transfers to my ass in the seat. I'm not gonna lose any sleep over it though.

    One thing though: where is the logic behind the dealer charging me $80 for a rubber mount when I was able to get a polyurethane one for about $20? It just don't make no sense...

  18. #18
    Space Cadet RainMan's Avatar
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    Quote Originally Posted by jimbo98z
    One thing though: where is the logic behind the dealer charging me $80 for a rubber mount when I was able to get a polyurethane one for about $20? It just don't make no sense...

    $$$$$$$$$$$$!

  19. #19
    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    It just doesn't make any sense. The only people that would buy that (hopefully) would be people who just take their car to to dealer and say "fix it". I would hope these people would not be behind the wheel of a V8 F-body

    Update: Took it to the track today, and had no problems. Launched at ~4000 rpm on drag radials. Now if I can just get used to the DRs (it was my first time at the track with them)
    Last edited by jimbo98z; 03-04-2006 at 08:34 PM.

  20. #20
    Crazy Canuck ! Eugenio_SS's Avatar
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    triple-black
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    if you gonna get LCA, make sure not to get polyurethane ones... they bind and will hinder your handling/cornering.
    best are rod-ends (not noisy if you chose good ones)
    then rubber is 2nd
    last is poly.
    If you don't care about cornering, but only care of 1/4 mile, than polyurethane is good.

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