what happened?

[kevin]

havent driven my car in 2 days and tonight i go to the shop and service the tranny.everything was fine when i parked it.i took it for a spin and i get knock right before 2nd and it cut out.i will check fuel press.but in park if i rev it up i get 16 degress of knock.i looked for something lose and dont see anything.its an 87 gn.

 

[kevin]

ttt

 

[blackbuick87]

Probably false. Maybe a motor mount let go

 

[kevin]

for some reason it was running too much boost.i can drive down a bumpy road and no knock.but if i put it in park and rev it to 3000 it shows allot.motor isnt moving but i'll check again.my 02 shows 040 to 100 when i do this in park.