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Old 11-05-2016, 08:47 AM
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babymog babymog is offline
Loose Cannon - No Balls
 
Join Date: Jan 2006
Location: Northeast Indiana
Posts: 10,765
Turbo and NA heads are different. Exact differences I do not know,but the turbo engine should run with an NA head. You might not know the difference.

A turbo head is often stronger for the much higher pressure, much more heat, and higher exhaust flow. This can be a different casting entirely such as in the 60x engines, a different alloy, or simply machining for stronger components like larger valves / prechambers or piston cooling sprayers in the block. Compression ratio is likely lower on the turbo engine, that can be the head or prechamber volume or it can be the piston.

Maybe someone here will know, the FSM sometimes will divulge some of the differences.

A basic mechanic can tell you if it can be made to fit,
A good mechanic can tell you what is different,
An Engineer can tell you why it's different and the effects of downgrading.

I suggest looking for a turbo head if you plan to use the boost and expect it to hold up.
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