![]() without binding the upper and lower fulcrum bushings if using hard bushings, nor would it be very easy to adjust static toe. without soft fulcrum bushings, which would allow undesirable deflection of the arms in all axis, or Ģ. On the other hand, if you meant that you could have a simple fulcrum at the top of the knuckle (like the lower lateral links on an '88) then you wouldn't be able to effect dynamic toe changes:ġ. I'm not sure what you mean by this, but if you're suggesting that the upper control arm could be solid mounted to the knuckle, you wouldn't be able to control dynamic camber changes. I did some motion analysis on the new knuckle and made some quickie low rez animations.Įnlighten me please. I've got some mods to the sub frame that will re-locate the links a tad to fine tune the roll center. I can do motion analysis with the software with animations, make changes and run it again. This version features some changes in geometry to help with roll center, camber gain and anti squat with the 2" lowering. So my special thanks to bloozeberry for his subframe prints, I made a full math model of the 88 rear suspension. I also incorporated C4 disc with calipers mit parking brakes. To fit my IMSA wide body, I need a least a 10 1/2" wheel, and cheap wide wheels come on mustangs. So I designed a new one that uses a Saturn Vue hubs and axle. There rear knuckle for an 88 is a unique piece, and limits the use of larger unitized bearing hubs. I have been working with coppertop_01 designing some new suspension pieces. It been a while since I have posted here but work has been on going. Once you get the pin in, the rest of the bolts pull it pretty much into alignment. 2nd trick is get the alignment pin on the drivers side in it's hole. I balanced it on the floor jack and just lifted up in place in one piece.ġst trick is get the rear tab under the chassis mount pad. I have to admit with the mods done to the front sheet metal for the flip front end it made working on it much easier. The front sway bar on the old front end is an Addco bar that's 1.25" thick. I can't wait to see how HHP's adjustable bars work out on the track. The new front end is about 30lbs heavier then the original one. Originally posted by ccfiero350: in //Here are some side by side images. You could use my lower suspension arms in conjunction with the Fiero rear shocks (or a coilover kit) and the stock shock tower.I still believe if you wanted to you could stuff this setup into a Fiero.which would be cool.Maybe my next project, a Fiero with the BMW V12 twin turbo!!!! I guess since I will be cutting most of the rear section away I couldn't really call this a "Stock" engine compartment any more.so if you wanted to put this into a Stock Fiero I would retain the rear frame section (trunk still has to go) make the cradle suspension mounting points to use the fiero suspension components. Tranny coming off engine this weekend then off to be rebuilt. I put the cradle into the chassis to see how it lined up, if you look at the photo from the back straight on you can see the center vertical tube are the same distance from the Fiero frame (which will be gone soon) Picking away at the cradle and the Fiero chassis, I got the fire wall stripped of all the brackets getting ready to cut the rear section off and start on building the tube frame from the firewall back. Originally posted by 88lambo: in //Update. let's keep this civil)ģ) See how open source/collaborative thinking would work out in the Fiero worldĤ) provide an avenue to share technical information/content for people with similar interests.Ī couple great ideas from existing threads to get the ball rolling: ![]() Reasons I thought it would be a great idea to do this:ġ) It is a great way to learn/share ideas about modern suspension theoryĢ) Learn suspension design applied to a specific project (with applied constraints), rather than just complete theory, or a scratch build vehicle.Ģ) hopefully get a good debate going (please without name calling, etc. on the back burner to let creativity flow. Let's put considerations such as: feasibility of actually making it a real life product, costs/reward, starting over with a tube-frame chassis, etc. The goal is to apply what engineers have learned about suspension design in the last 30 years since the Fiero was built. The front end may be replaced as well, while utilizing the attachment points. Maybe use factory rear cradle attachment points and replace the rear cradle. It would be great if it were to (almost) bolt in to the vehicle. I always wondered if with modern CAD/CAM software it would be possible to design a more modernĪ ) Double wishbone front + Double wishbone rearī ) Double wishbone front + fancy multi-link rear ![]() We all know that the '88 Fiero suspension is (arguably) better.
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