Timing

[raul.garcia]

Timing:
84 - 90 5.7L MFI 350; AllData specifies 6° for M/Ts & 6°D for A/Ts.What does the "D" mean?

[Joe 1320]

Usually there is an "A" meaning after TDC(top dead center) or
"B" meaning before TDC. Perhaps the D is a typo for B, which would be the most common.