Quote:
Originally Posted by Ozzie Goat
I found a reference to these heads using Motorcraft AGSF32C
That plug has .700 reach - so your suggested plugs should be fine.
I'm going to order a set.
Should the engine have it's own ground strap ? or does it ground via motor mount etc ?
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Every engine should have a large lead from the block near the starter to the battery negative terminal, other wise how would the engine crank?
This ground is sufficient for engine ground while the engine is running.
Some engines benefit from grounded cylinder heads, especially with MSD CDI ignition systems.
Gary