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I have not read the links above. But I thought adjusting thdebars of the 4 link to create a different effect on one side was the way to keep the front level. And also ensure that on launch the rear wheels actually move away from the body eg the rear body rises.
I have probably got this all totally wrong but I am happy to show my ignorance in the face of such understanding forgiving readers 😬
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Last Edit: Oct 1, 2024 20:14:13 GMT by ivanhoew
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mk2cossie
Club Retro Rides Member
Posts: 3,035
Club RR Member Number: 77
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Hi James, Jacking the front wheel - I jacked up the front left corner to simulate the car lifting under load, but this is far more powerful as its a direct force under the front wheel and as its a hydraulic jack - unstoppable. In real life the car is twisting around the prop so the leverage is far less and hopefully the extra bumpstops will be enough to avoid the tyre hitting the inner arch and taking all the paint off. PS, It's not cluttering the thread - it's really nice to actually get a comment rather than just likes I always click the like on posts I like or find informative (Or in some way comedic) I don't often post, as I'm socially awkward. And suffer with foot in mouth quite a bit But pleased to see you are still improving the pop, blackpopracing
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its a complex problem with lots of variables, for twist if the wheels were not touching the ground it would be pretty simple, the propshaft torque (engine torque x torque converter ratio x 1st gear ratio) would be reacted by the engine mounts at the front and axle mounts at the back twisting the chassis , this is what happens on a IRS. with a live axle one wheel some is still taken via the suspension into the chassis, the rest is imparted into the road lifting the the other wheel by a roughly equal force.
but you have other effects as Robert mentions the suspension geometry cam push the wheel into the road or lift it, the acceleration also causes a weight transfer to the rear (C of G comes into this) then there is what happens when the front wheels leave the ground and the wheelie bars come into play, and of course there are also tyres to consider.
Unless you plan to invest in a supercomputer and software like Adams. realistically all you can do is as you are and try to limit the travel, you might also look at off setting the axle to one side slightly if wheelarch clearance on one side omly is an issue.(as long as is parralel to the front one tbis won't have any significant effect)
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