what is a N/A Z code 4.3L??

SY-1193

Active member
Re: what is a N/A Z code 4.3L??

Hi,
I am no expert here but I beleive that N/A stands for Normally Asperated (meaning no turbocharger).
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To explain the "Z code" motor better just read this article it should answer any questions about the motor:

Rebuilding the New Chevy 262

I hope this helps you!
 

VermontTy

Support Our Troops
Re: what is a N/A Z code 4.3L??

Correct; NA usually means naturally aspirated; fuel injected or carburated; no super or turbocharger. Z-code is the engine code, or 8th digit of the VIN. 4.3's came in X, W, and Z code (maybe some others too?) they had various levels of claimed HP and what not. Sometimes the engine code will tell whether it was TBI, CFPI, etc.
 
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