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My 99 Bonneville se has been having issues with the cold, anything under 25 degrees it doesn’t tend to run correctly. It’ll run really rough unless i stay on the gas and hold it at about 1500 rpm’s. It’ll eventually smooth out after about 5 mins. I assume these issues are tied together. The main...

'02 Grand Prix GTP with L67/Supercharged Head Gasket Replacement I ordered a head gasket kit and found that the kit came with what appears to be 2 head gaskets for the same bank. In my picture, you can clearly see the different surfaces (the wider one with the extension at the end is the one...