the replaced thermostat was rated at 194.7 which the shop guy said was necessary so as to not to foul the computer.
for anyone interested for almost $400 bucks I got a
1) free collant system test
2) replaced thermostat total 53.88
$15.40 for thermostat part
$0.98 for gasket
$37.50 for 1/2 hour labor
3) replace water pump $300.21
$130.21 for 1 water pump (more expensive than AutoZone)
$150.00 for 2 hours labor
$20.00 for 8 qt antifreeze
4) 29.21 tax
total almost 400
