Re: The engine ran great!!!….except when it didn’t. Home › Forum › Ask A Member › The engine ran great!!!….except when it didn’t. › Re: The engine ran great!!!….except when it didn’t. TomUS Member - 1 Year (includes $3 online payment fee)Replies: 636Topics: 57 August 16, 2018 at 6:03 pm #81313 It’s not just the capacitance and voltage measurement that are important in this application. You need a high dV/dt too. Sticking with the caps suggested is a very good way to go. Tom