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Leaf spring tech


Jase

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definitely concur with runamuck,

og leaves will be retained for any possible run at the strip,

the toe character of the diff is quite important under

bump with conventional springs the diff moves backwards,

unconventional will move forwards (possibly bind uj's)

under cornering the outside spring in a conventional

set up pulls the diff back on the outside and forward on the inside,

tightening the turning circle and promoting a tighter line,

unconventional will be the oposite and will promote a crab

around the corner with the inside spring flattening and pushing

the inside rear wheel backwards and the outside wheel forwards.

possibly if you want to run a clean line or drive daily you would run a conventional setup,

if you want to promote oversteer you would run unconventional

or just run enough power and conventional and have the best of both worlds

WOW!!! i actually learned something today :lol:

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Has anyone here had any experience with a coilover/coil spring setup in a originally leafsprung car, using a single leaf as lateral stability? .

Quite a few Pre65 cars are done like that.

If you place one shock and coil in front of the axle and the other behind it is said to assist controlling axle tramp. IMHO I think that the actual leaf will hold the diff in quite well laterally but the hangers are more prone to deflection.

Coilovers are relatively cheap and easy to add to a Hotchkiss but I guess you may want to run a Panhard or Watts too if you are worried about a few mm of rear end walk.

Personally I do not see the point in coil overs unless you already have a spring rate problem or want to reduce unsprung weight.

I also think that if you are going to remove leaves to add a coilover you will have a slightly smoother spring compression BUT you will introduce axle hop and lose traction - making the car slower

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my problem with coilover helping leaf set up,

would have to be the diff winding up under load,

ie hard acceleration would push the nose (pinion)

of the diff down winding up the leaf which would release (sometime)

causing a hop

I'm personally happy with leaves for now as they don't take much looking after

and simplicity rules

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