The Roadrunner came with a new aluminum Champion radiator. Despite the problem with the heat coming off the exhaust, the motor has always ran cool. No factory shroud, but my experiences with the Champion radiators tell me that the original shrouds don't mate to them.
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We left the Chrysler electronic control box on the firewall even though it's now bypassed for the new MSD equipment.
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The radiator support seemed like a good location for the MSD controller. It would be away from most of the heat in the engine compartment and it was still a little wrinkled in that spot from when the car was hit in the front.
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We wouldn't have been to concerned about the tic-toc-tach not working, but with the 4-speed we wanted to know at what RPM we were shifting. We installed this aftermarket tach beneath the dash overhang just as the original owner had. We even used the same holes that he had drilled decades earlier.
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Even though we could have fixed the factory tach, my son wanted to have one with a shift light built in.
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