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Dyno · 05-17-2020, 11:56 AM

I had the same issue. Before installing the 904 in my Challenger, I bench checked and marked the flexplate and converter to make sure the bolts would line up. Everything lined up perfect and bolted together. Once I bolted the flexplate to the crank and installed the transmission, the one odd bolt was extremely hard to get started. I think the process of torqueing the flexplate distorts it enough that the bolts are all hard to install.

05-17-2020, 11:56 AM	#385
Dyno Senior Member Join Date: Dec 2002 Posts: 870 Likes: 920 Liked 605 Times in 177 Posts	Re: Dumbo The Flying Elephant I had the same issue. Before installing the 904 in my Challenger, I bench checked and marked the flexplate and converter to make sure the bolts would line up. Everything lined up perfect and bolted together. Once I bolted the flexplate to the crank and installed the transmission, the one odd bolt was extremely hard to get started. I think the process of torqueing the flexplate distorts it enough that the bolts are all hard to install.