What's the difference between a SC head and a standard 3.8L head?

Fordman75

Registered User
This is probably a dumb question but what's different about the SC heads when compared to a standard 3.8L head? Is it cc size/shape? Or valve size? Port size/volume? Deck thickness?

Thanks

Ted
 
The coolant passages are different.

The SC head uses coolant passages similar to this head (a splitport 3.8L head is pictured):

splitport%20heads.jpg


The N/A heads have coolant passages that look like this:

singleport%20heads.jpg


-Rod
 
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