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**1970 Dodge Charger STUDENT build!!! matching numbers! (teacher posting)**

If you're mounting an ECU or a voltage regulator maybe make a standoff bracket and cover most of the hole above the tubing connections.
Otherwise you need to make a sheet metal patch and get it painted body colour.

Perhaps others will have more creative solutions.
 
Make a pattern that fills the hole and allows for your plumbing. Weld it in, spot repair, spot paint. Great teaching/learning opportunity that will come in handy. Keep control of the heat and sparks so the surrounding fresh areas don't get damaged. That would be the cleanest way to take care of it. BTW, have any other possible surprises requiring spot jobs that you can think of?
 
Make a pattern that fills the hole and allows for your plumbing. Weld it in, spot repair, spot paint. Great teaching/learning opportunity that will come in handy. Keep control of the heat and sparks so the surrounding fresh areas don't get damaged. That would be the cleanest way to take care of it. BTW, have any other possible surprises requiring spot jobs that you can think of?

OR make one like this:

FWP 9.jpeg


Cardboard pattern, shaped to fit under the cowl pinch weld and extending to the wiper motor area. Paint it off the car.

FWP 12.jpeg


Then attach it with a few screws with some type of rubberized rope seal between it and the firewall. That is what I'm doing.
 
For some reason I thought the engine was out. With it in, Greg's idea is better and way less work.
 
For some reason I thought the engine was out. With it in, Greg's idea is better and way less work.
I agree. The best looking fix would be a cut and patch with paintwork to make it all look clean but...

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The '70 B body A/C firewall is really busy...

FWP 103.JPG


In my Jigsaw Charger, I cut it out and patched in a section from a non A/C firewall.

FWP 104.JPG


FWP 105.jpg
 
I'd go to the metal fab shop, find a piece of metal that would cover the area, do some beadrolling, cut your holes for your cooling lines, then paint it up pretty. Bolt it in afterwards.
 
Imagine the luck if a student actually wins this car. That would be pretty cool.
 
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