That would be 45 thousandths, .045
.43 is the gap
43 thousands of an inch
It's .39 to .43
.43 gap
the gap is as follows; US .39 to .43 inch Canada .28 to .31 inch plug is a NGK BPR5ES-11, BP5ES-11 On Autolite Platinum - 63 plugs the gap is .44
You don't need a diagram to find spark plugs on this engine. Follow the plug wires and you will find the plugs.
.43
.38-.43 with .40 ideal for idle and highway speeds
Don't really know because the manual states on 1-43 0.0048 but also states 0.0035
Where is the oil sending unit located on the 2001 Chevy 43. vortec engine?
All 350 chevvvvies and some 4.3 V6.... 305 too... CR-copper resistor; 43-heat range
Between 40 and 45 on the gap gauge. Start with 40. Try 43 if not happy, then 45. If 40 to 45 does not perform correctly, there is something not right.