As others have said, the cooling system will work as designed. For parades and traffic jams in very hot weather, I installed a 6v fan. There are fans advertised as 6v, but they are 12v. They run, but not as they should. Mine is a Maradyne Electric Radiator Cooling Fan with a 6v 40amp Relay for fan control, plus an override switch to shut the fan off on a warm day and many stops, so the battery doesn't run down.
MP-166-K6 Radiator Fan 6v $155.
MFA104 Fan Mounting Kit 45.
LAW 89105 20 amp circuit breaker 16.50
COL 3031 Inline fuse holder 14.
BUSS AGC10 fuse 2.50
HAY 3653 Thermostatic adjustable fan control 55.
GM 12513020 seal material 30.

Yes, Congrats on rescuing another 160. I hope you can use the Duchess Project blog to help you as everyone here helped me. There are lots of pictures and lots of problems worked on that are specific to '40 160s. I'll be following your progress with interest.

Kevin, Sorry I didn't notice. Usually it's up on 4-points of the frame. I'll ask tomorrow or Wednesday when the car is finished.

Mario Bruno has 3 shops in the general area. One is a service station shop in Kensington for more modern cars, but sells ethanol-free gas. The 2nd is a muscle car shop in Rockville. And the new shop for modern and prewar classics is in Gaithersburg. Eddie is the foreman/manager and has kept me updated on the work progress. Rafael is a sterling mechanic who, between Bill's '40 180 sedan and my '40 160 is getting to know everything about Super 8 Packards with overdrive. It's really a blessing to have a place to repair the Duchess and maintain it.

Here are some more photos.

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The springs were forged by Eaton Detroit Spring. New bushings. The shackles (new from Max Merritt) and u-bolts (made by local spring co) were rusted, as were the front shackle bolts. The rear springs are almost finished with installation.
With the tanked dropped, the fuel level sender was straightened for the new deeper tank.
The front steering crank and ball stud were worn so a NOS one installed sent from Flackmaster.
http://www.mktx.com/packard/wornsteeringcrank.mov
There was an electrical problem with my 6v-12v converter. That was chased down and fixed.
I had 2 seat belts installed in the front seat.
The under the seat heater motor bearings got wobbly. I had a spare.
Also had some
Maintenance done. Tire rotation, radiator flush, lube and drive train fill check.

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Just to say that after installing a freshly rebuilt carburetor, the car ran fine at idle, and would run fine on the flat. As soon as we put the pedal down a bit to go uphill, it sputtered out. So we went on a fuel line and electrical Easter Egg hunt, since it could NOT be the carb, just rebuilt by one of the foremost rebuilders. But guess what, everyone makes a mistake now and then. We spent days chasing this down (The Duchess Project in and around Post #75 to relive the pain trying to solve this. Unfortunately the videos were deleted.) The solution was simple. The floats were incorrectly set as determined by the rebuilder after returning it for warranty work. We decided to send the carb back after we replaced the rebuilt carb with an old beat up carb that had never been rebuilt and the car ran just fine.

Maybe get a price with shipping from Moose Motors in CA, (707) 792-9985

Check this thread out, plus the link .
https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=253780&keywords=Steering+wheel+horn+assembly

Thanks, Ernie, that’s good to hear. I asked Eaton if they can coat them. I fly to Phoenix tomorrow on my way to Oakland from Dulles. I hope the tires don’t melt when we touch down. 113 degrees? Yikes.

Eaton Detroit Spring is the place. Expected in 2-3 weeks custom forged and assembled.

QUESTION: Should they be treated in some way? Coated or painted before installed? I'm looking at the increased amount of rust corrosion since moving to Maryland's salted winter roads. The originals went 450,056 miles!

Thanks, Howard,
I'll call in the morning. I also found A-1 Shock Absorber, but not sure if they are a reseller or manufacturer. I'll call both. And Kanter whose new site indicates they no longer carry parts for 1940 Super 8, which must be wrong.

My springs are original. I'm sure, after almost 450,000 miles, they've had it.