TACH   TT 
ENGINE TT DATE COST HKS COST 582 SAVINGS
386 42 5/2/2005 $400.05 $993.79 $593.74
391.6 47.6 5/13/05 $453.39 $1126.30 $672.91
394.9 50.9 5/26/05 $485.08 $1204.29 $719.21
405.2 61.2 7/20/05 $583.24 $1,447.99 $864.75
465 121 12/10/05 $1,153.13 $2,862.86 $1,709.73
484 140 05/02/06 $1,334.20 $3,312.40 $1978.20