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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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24,474 Posts
A hard restart after sitting overnight might be a fuel pump check valve failing? If the rails & lines drain from sitting, the pump has the prime the system at the next start. This will be an extended crank-time to start. The check valve is serviced with the fuel pump, but I have seen in-line check valves spliced into the supply line.
One way to check for this is to roll the key to 'run'. you should hear the pump 'whirr' for a second. Turn the key off and proceed to then start the car. This initial priming of the fuel system may help starting.

It looks like the 3.3L to 3.8L was a running change during 1991:
Rectangle Font Art Circle Magenta


The fillers:
Rectangle Slope Font Parallel Engineering

The automakers were experimenting with recyclable plastics during this time, with mixed results.

Googling 'Mopar 5263102' & 5263103 showed some hits.
Sliman's shows both fillers. Inquire first.

Product Rectangle Font Screenshot Parallel
 

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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
Joined
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24,474 Posts
The TCM is obsolete and un-upgradeable. Chrysler released a TSB #18-24-95 ages ago that improved transaxle shift quality markedly, among other improvements. See attached.
 

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