i've been comparing the m54 block and my m52 block, and they look almost 100% identical. knock sensors, crank sensor, mounts, oil filter housing, everything looks like it bolts up the same way. only differences are that there's no freeze plugs in the m54 and there is no obd1 CPS provision (for the crank pulley) on the m54, but i assume the front cover can be transferred from the m52 to the m54. i am also not sure about the oil pump situation.
my question is, can an m54b30 block be used with an m52 head and an obd1 harness?
my question is, can an m54b30 block be used with an m52 head and an obd1 harness?
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