Peter,
I do believe that you still have the incorrect thermostat in the car.....
You need to run the Cleveland style, unless you block off the passage underneath the t-stat in the block, to get rid of the need for the odd Cleveland only t-stat!
I would think that with Panteras running around and other odd 302/351 Clevelands in trucks that this should be a no brainer in OZ.....
Steve
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