The general ballpark is around $1000 which includes labor. 20 hours of labor sounds really high. Are they removing the engine for some unknown reason? Get a second opinion, and don't ask the first people for a "referral".
'98 SVT KKM / TH fix / Mobil 1 / Synth tranny cocktail / JVC LX-30 HU / 10" JL sub / Alpine V12 amp / Panther 199 wheels / Kuhmo Ecsta 215/45/17 / Bosch +4 / Ford Motorsport wires
