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Message: <blockquote data-quote="tooslow" data-source="post: 381086" data-attributes="member: 9239">instead of trying to retell everything in my own words, here is his exact msg he sent to me. with all details i know at this point."i just pulled my motor out of my rat rod,, cause the c4 trany went and figured i would do the leakin rear main seal. dropped the pan and screen was clogged with gunk, and brkt for pick up tube snapped and the back 4 connecting rod caps /bearings had lots of play, and ,i dont know how this timing chain did not skip or jump a tooth? so much play! anyways before i throw a 4 bolt 74 350ci chevy and trany into my 38 ford pick up rat rod , i guess i will have the tranny redone with a shift kit, and do the lower end on the engine with a timming chain. i really dont think the journals are scored up , and the cyl walls looked clean, pistons still have cross hatch pattern on skirts of pistons. do you think by putting standard connecting rod bearings, and the crank main bearings in with a timing chain is ok to do? i think it should be ok, i will also thro umbrella valve seals on the valves. this is probably the least expensive way of getting the most mileage out of a tired rat rod motor.. any idea what the plastigage measurement or torgue spec are for the rod and nmain bearings are ?should i also get both timing gears with the chain?thanks Poppa D."</blockquote>