Thread: 63 390 T bird block # ?
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07-24-2004 06:48 PM #1
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Yes , the book I have said the changed from 9.5:1 to 10.5:1 pistons ,406 style heads and dual ex at 340 brake hp at 5000 rpm some time during the production year.Just wondering since it had dual ex if that is what I have ?
I am going to re build the motor and has anyone stroked one of these motors ,if so where is a good plase to get parts ?
We managed to get a couple of other small things taken care of. One was blacking out the front of the core support. When the sun hit the front of the car just right that green paint on the core...
1968 Plymouth Valiant 1st Gen HEMI