Met with guys last night and opinions vary - What do you say?? My build is about finished (On my 289 motor in my shoebox ford) * Some say just use -- Mechanical Fan & Shroud * Others say; Elec Fan & to use a Shroud THE QUESTIONS - 1)How do you decide to use an Elec fan OR go with Mechanical & Shroud ? 2)Then what type Mechanical Fan is suggested? 3) For summer months, air cond use ,parade use --what works best? Guys -i just want to know once from guys who know Vs hearing chatter and opinions from guys talking to me.