Riviera V6-231 3.8L Turbo VIN 3 4-bbl (1982)
![background image](/buick/riviera/v6-231_3.8l_turbo_vin_3_4-bbl/Page-303001.png)
Valve Seat: Specifications
Seat Width
Intake
0.062 in
Exhaust .075-1.04 in
Seat Angle
Intake
46 deg
Exhaust 46 deg
Run Out
Intake
0.002 in
Exhaust 0.002 in