'69 Barracuda T56 swap, floor, cross member

72bluNblu said

You’re putting the headers lower to the ground with respect to the body of the car.

Whether you consider that raising the body or lowering the headers is up to you. I think it’s safe to say most of us set the ride height of the car based on the height of the body and not just the K frame, so, I’d say the headers would be getting closer to the ground because I’d be keeping the body at the same height.

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Spacers will move kframe and engine down so torsion bars will need to be adjusted to compensate resulting in headers and exhaust hanging lower relative to the body of the car and lower to the ground. Yes its only 1/2 inch but headers exhaust hanging lower falls in the negative affect category as does changing the front end geometry.

But yeah if I was in a big rush kframe spacers mod trans mount lower the whole driveline down is a quick way to get it done and it would work. But quick/easy is a low priority in this case. So if something takes longer to do but results are cleaner better then I am taking the longer more work more time route.

So I am going to pull hvac cause it has to be pulled before next summer anyway. Then measure driveline angles. Then take it from there. If I have to raise tunnel 1/2" under heat duct then mod heat duct to clear tunnel yeah its not simple not easy. But cutting a steel duct, modding, welding, retaining heat/defrost mechanism is something I am plenty capable of getting done.