i made an identical thread on the corvette forum, not sure how you guys feel about them, but i imagine i could get some additional info here.
Here's a real challenge for those of you into heavy fabrication and making your own suspension geometry.
how do you make THIS (top of the pic is towards the REAR of the car)
Fit into THIS, replacing the stock diff and half shafts?
it's the rear drive unit of a tesla model 3
more visual reference from the under frame of a model 3 (skip to 1:56) https://youtu.be/bkg0xcCanZs?t=114
For visual context, the drive unit has its own built in diff, essentially, and the half shafts exit from that narrower portion towards the "Rear" of the drive unit. I believe orientation is relevant because if you flip the unit 180, the left and right wheels are essentially reversed, or "reverse" becomes your forward direction, etc. Shape wise, it's a T much like a normal diff, but flipped with the long axis of the T facing towards the back of the car.
The drive unit cannot be a structural member, so bolting directly into it like the leaf spring does with the diff isn't an option.
Also because the drive unit weighs like 275 pounds on its own, the leaf spring will have to go, and whatever coilover system replaces it will need some strong springs.
will it be a matter of essentially creating a subframe assembly from scratch, with mounting points for those bushings on the drive unit, and places for the IRS to bolt to?
transferring the entire model 3 subframe over won't really work, the track width is too narrow for the c3. (62.2" instead of 69")
I imagine cutting into the underside of the body is inevitable....
An alternate approach is to literally take that entire rear subframe and mod the c3 frame such that it bolts up, welding some additional members to the c3 frame where needed. My concern with that approach is needing to add shock towers and spring perches onto the c3 frame in geometries identical to the model 3's, and i have no idea how easy/hard that is to do on a c3. Also the model 3's track is 3" narrower on either side, this might not be that hard to fix, any model 3 wide body mods will involve widening the track anyway, i can just duplicate that.
Yes, this is an Ev conversion plan, but before you scoff at the idea of an electric C3, remember that with software unlocks and enough amps delivered, these suckers can potentially smash out 500 wheel horses with instant throttle response, the torque curve is completely flat, and a "full tank" costs $10 instead of $80 in California here
Here's a real challenge for those of you into heavy fabrication and making your own suspension geometry.
how do you make THIS (top of the pic is towards the REAR of the car)
Fit into THIS, replacing the stock diff and half shafts?
it's the rear drive unit of a tesla model 3
more visual reference from the under frame of a model 3 (skip to 1:56) https://youtu.be/bkg0xcCanZs?t=114
For visual context, the drive unit has its own built in diff, essentially, and the half shafts exit from that narrower portion towards the "Rear" of the drive unit. I believe orientation is relevant because if you flip the unit 180, the left and right wheels are essentially reversed, or "reverse" becomes your forward direction, etc. Shape wise, it's a T much like a normal diff, but flipped with the long axis of the T facing towards the back of the car.
The drive unit cannot be a structural member, so bolting directly into it like the leaf spring does with the diff isn't an option.
Also because the drive unit weighs like 275 pounds on its own, the leaf spring will have to go, and whatever coilover system replaces it will need some strong springs.
will it be a matter of essentially creating a subframe assembly from scratch, with mounting points for those bushings on the drive unit, and places for the IRS to bolt to?
transferring the entire model 3 subframe over won't really work, the track width is too narrow for the c3. (62.2" instead of 69")
I imagine cutting into the underside of the body is inevitable....
An alternate approach is to literally take that entire rear subframe and mod the c3 frame such that it bolts up, welding some additional members to the c3 frame where needed. My concern with that approach is needing to add shock towers and spring perches onto the c3 frame in geometries identical to the model 3's, and i have no idea how easy/hard that is to do on a c3. Also the model 3's track is 3" narrower on either side, this might not be that hard to fix, any model 3 wide body mods will involve widening the track anyway, i can just duplicate that.
Yes, this is an Ev conversion plan, but before you scoff at the idea of an electric C3, remember that with software unlocks and enough amps delivered, these suckers can potentially smash out 500 wheel horses with instant throttle response, the torque curve is completely flat, and a "full tank" costs $10 instead of $80 in California here
