I took the plunge and replaced the FAST ECU's (XIM, XFI and VTC) with the Holley ECU's (HP, Coil Drivers and Ti-VCT). I enlisted David Ehrlich of Autotrend EFI (
[email protected], 530-642-0999, www.autotrendefi.com) to tune the engine. After several sessions, Dave has remotely tuned the...