From personal experience the Mopar crates do Come with the Go F#(% Yourself warranty & are garbage , I have posted this before but here we go again the 360 engine was delivered assembled , I asked my customer if he wanted me to check it before installing it he said yes.
we found the cam was installed 1 tooth off @ apporx 86* , the brgs were DRY , there were metal shards behind the cam plate & the rear cam plug was installed with enough locktite to seize the cam to the rear brg all problems were corrected & the cam was coated with break in lube
After installing the engine we fired it up & did the cam break in , 10 mins in the engine overheated , the engine was shut down & we found the anti freeze was chocolate color , we flushed the cooling system restarted the engine & finished the break in , the cam wiped due to early shut down / overheating so the engine was pulled disaasembled , cleaned , new cam installed & the engine was refired & broken in with no heat issues
on to the first drive the engine is so badly out of balance you can barely focus your eyes between 2500 - 3500 rpm
the engine was pulled & we contacted Chrysler about returning it & have been given the run around but no help for close to 1 year now
Nuff said