kk, my local performance shop did the compression test and they said that ruled out my head as an issue...idk..they kinda seemed shady..and the smoke is whitish..i can't tell the difference between white or blue smoke Lol..so it may not my coolant or water, could be oil..idk..but ill have to find time =/ its my only car and i have to work =/ i didn't even take the throttle body off or take the head completely off..i just pulled it up and held it while my friend scrapped the top of the block and bottom of the head