Alan,
The Buchanan we have has been heavily modified in the body with flared guards and a targa top roof.
It still has the original Holden grey motor, although it may be stuffed as we cant turn it over.
The chassis looks like the Buchanan pressed metal works one with the square tube like this one.
I'll post some pics later.
Cheers,
Bryan
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COB-66 Young at heart old fart.
Don't drive faster than your guardian angel can fly.
If it doesn't matter what gear your in you have enough torque.
VK3KDN