Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the Intrigue / Aurora 3.5L Twin Cam V6 (Short Star ) , 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
Looks like a JB Weld job that's been there a while. Unless the plastic valve cover breaks down like that, which is odd.
'02 Pontiac Bonneville SE 108,539 miles, N/A, SSEi exhaust system, boat roller mount. Gone, but not forgotten. '13 Buick Regal GS 122k miles, 270 hp, 295 lb/ft, ZZP intake. (yes, there is a story behind my avatar.)