Do a search on E-Bay for a Delphi 585 or Silverado coil.
Here are the numbrs for the connector and pins from Mouser.com. Plug 15439568 1.74 Terminal 15326267 0.13
Here are the setting for Megatune.
Maximum Dwell 5.5 milliseconds
Maximum Spark Duration 2.0 milliseconds
Acceleration Compensation 0.5 milliseconds
Battery Voltage Compensation
Setting Net Voltage Dwell Compensation
-4.0 8.0 Volts 2.4 milliseconds
-2.0 10.0 Volts 0.9 milliseconds
0.0 12.0 Volts 0.0 milliseconds
2.0 14.0 Volts -0.5 milliseconds
4.0 16.0 Volts -0.9 milliseconds
GM HEI 8 pin module with Microsquirt
Forum rules
Read the manual to see if your question is answered there before posting. If you have questions about MS1/Extra or MS2/Extra or other non-B&G code configuration or tuning, please post them at http://www.msextra.com The full forum rules are here: Forum Rules, be sure to read them all regularly.
Read the manual to see if your question is answered there before posting. If you have questions about MS1/Extra or MS2/Extra or other non-B&G code configuration or tuning, please post them at http://www.msextra.com The full forum rules are here: Forum Rules, be sure to read them all regularly.