Gm 4.3 Engine Information

[jimmencer]

Is the 4.3 V6 engine in a 1999 S10 the same engine that's in a 1999 Chevy Silverado

with a 4.3 V6 engine?

[ryank1]

Both "w" code engines are the same, but the "x" was S-10 only.

[Zembonez]

Is the 4.3 V6 engine in a 1999 S10 the same engine that's in a 1999 Chevy Silverado

with a 4.3 V6 engine?

According to Hollander interchange, the 1999 4.3 was a "one year only" engine. The same basic version was used in the Blazer, Bravada, Astro, Silverado, Sierra, Van, Hombre, Sonoma, Jimmy, etc. as a long block assembly. External components would have to be exchanged as needed.

 

According to GM there were several camshaft profiles probably resulting in a small range of power and torque.

 

Don't shoot the messenger here... I'm just reporting what is in my database.