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Thread: Have questions about C4 Corvette suspensions for your Tri5? Ask them here!

  1. #111
    Registered Member chevynut's Avatar
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    GFY RD, I've tried to help you for months with all your "issues" but you're too f'n stupid and/or stubborn to help. Don't bother asking me anything or replying to my threads because I'll just delete your BS. Ask someone else to try to figure out your "problems".
    Last edited by chevynut; 11-30-2016 at 05:49 AM.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  2. #112
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    Quote Originally Posted by chevynut View Post
    GFY RD, I've tried to help you for months with all your "issues" but you're too f'n stupid and/or stubborn to help. Don't bother asking me anything or replying to my threads because I'll just delete your BS. Ask someone else to try to figure out your "problems".
    http://www.trifivechevys.com/showthr...ut-step-inside

  3. #113
    Registered Member oceangoer's Avatar
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    Chevynut,

    Do you happen to have the measurement of the front lower control arm inner pivot to ground ??

    Do you change this height in your applications ?

    Thanks,

    Michael...

  4. #114
    Registered Member chevynut's Avatar
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    Quote Originally Posted by oceangoer View Post
    Chevynut,

    Do you happen to have the measurement of the front lower control arm inner pivot to ground ??

    Do you change this height in your applications ?

    Thanks, Michael...
    That dimension should only change with tire diameter. The lower a-arm should be level or slightly high at the inboard end at ride height. That should make the steering rods approximately level too.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  5. #115
    Registered Member NickP's Avatar
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    Quote Originally Posted by chevynut View Post
    That dimension should only change with tire diameter. The lower a-arm should be level or slightly high at the inboard end at ride height. That should make the steering rods approximately level too.
    GM drawing shows it parallel with road surface.
    Last edited by NickP; 12-30-2016 at 07:23 PM.

  6. #116
    Registered Member NickP's Avatar
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    Quote Originally Posted by oceangoer View Post
    Chevynut,

    Do you happen to have the measurement of the front lower control arm inner pivot to ground ??

    Do you change this height in your applications ?

    Thanks,

    Michael...
    Michael, are you building your own front crossmember? Sounds like it. I have several CAD drawings from the last full chassis I did to include relationships of UCA & LCA & R&P CL. Always glad to assist.

    http://www.picturetrail.com/sfx/album/view/23877721

    Last edited by NickP; 12-30-2016 at 07:22 PM.

  7. #117
    Registered Member oceangoer's Avatar
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    Nick,

    Good observation. Yes, I'm building another Street Rod and helping two friends with their Tri-5 builds.

    I have the front new custom cross members but what I don't have is the actual OEM C4 Corvette lower control arm pivot
    distance to ground.

    I've tried the G.M. measurement on the bottom of the cross member, but that is very subject to error hence my need for an accurate dimension.

    Any assist wold be appreciated.

    Michael..

  8. #118
    Registered Member chevynut's Avatar
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    Michael, I still don't understand the relevance of the height of the inner pivot to the ground. As I mentioned, it's dependent on tire diameter (radius) so it can vary.

    If you explain exactly what you're trying to do that might help. I have several C4 suspensions here I can measure if I knew what to measure. If you have one, all you need to do is put a tire on it of the size you want to use, level the a-arm, and measure the height of the pivot.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  9. #119
    Registered Member NickP's Avatar
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    Quote Originally Posted by oceangoer View Post
    Nick,

    Good observation. Yes, I'm building another Street Rod and helping two friends with their Tri-5 builds.

    I have the front new custom cross members but what I don't have is the actual OEM C4 Corvette lower control arm pivot
    distance to ground.

    I've tried the G.M. measurement on the bottom of the cross member, but that is very subject to error hence my need for an accurate dimension.

    Any assist wold be appreciated.

    Michael..
    Michael I have to concur with Laszlo on this. Even tire pressure can affect that number. Sketch us an idea of what you need and post it.

  10. #120
    Registered Member Custer55's Avatar
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    I don't know if this will help at all but I have attached drawings of the measurements I took off our 90 Corvette before I started on my project. All were taken with stock size tires and wheels at ride height.
    Brian
    90 Vette Chassis Measurements Side View LH.jpg

    90 Vette Chassis Measurments Top View.jpg

    They are 17x9.5 stock wheels, That is a mistake on the drawings.

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