E40’s cannot use more than 256 kPa of manifold pressure. It is a hard code limit. Because of this, an E40 cannot use the popular LSA/LS9 map sensor which has a scalar of 312.50kPa.
E40’s were used in
- 2005 Corvette
- 2005 & 2006 V8 Trailblazer, Envoy, GMT360 V8
- 2005 & 2006 GTO