One is an aftermarket replacement that I put on several years ago after a wreck. The other is original, however the body shop says that it had been repaired at one point. They will both be good as new after this.
I recently took my 1966 coupe to a local shop for restoration.
Thought you may be interested in watching along with me at the progress.
I basically pulled most of it apart before I sent it to him. He will be doing the body work and paint. Possibly some of the reassembly. We will see how...
It could if you were not hooking up your timing light to the #1 spark plug wire.
If you move your wires around one spot you may be able to get the distributor turned to the place that it runs best.
My guess, if it is not jumping around, is that you are off a wire or two and it is causing...
Excuse me if this is old news...
1965 Convertible Mustang E/V - Duke's Garage - a used classic car dealer and restoration shop located outside Denver, Colorado
Like he said.
You don't have to take the tank out, but as it sits in the car, it is on the bottom.
It is on the opposite side from the filler neck, so if you do take the tank out you are probably losing all your gas anyway.