[Number 3]

The following should not be interpretted in any way as to the origin of the car in the original post by Tran. You may all continue to speculate away.

But for those of you that believe that GM can offer any engine that you want let me just go through the items that likely would have to be re-designed. re-validated or both for any new model, Z28 or something between the SS and LT for that matter.

Engine mounts
Transmission mounts
Rear axle (if the HP is higher)
Fuel System
Radiator and Cooling (if the HP is higher)
New tachometer (if the engine redline is different)
New speedometer (if the top speed is different)
ALL Uniquely styled components and subsystems even if simply badging

Add to that the full list of FMVSS testing
Add to that the full list of EPA testing

Then you have to tune the suspension for ride and handling.

Then you have to tune the car for Noise, Vibration and Harshness (NVH)

And then you have all of the unique manufacturing equipment in Oshawa for each and every single one of the unique parts in any new model. Sorry using a dealer doesn't work. Good idea, but not practicle. Other vendors (SLP from past Camaro history) might work.

Now you haven't even touched on the thousands and thousands of hours devoted to calibration of the engine, transmission, safety equipment, etc.

You are talking BIG, BIG, BIG dollars for any variation on any model.

It takes a ton of work, and ton of equipment and a ton of testing.

And plant complexity? Every nut, bolt, badge or color difference just piles on to the cost of manufacturing.

In 1967, it was not too hard. Today? Yikes!!!!!!