Which gasket did you replace? The intake manifold gasket or the exhaust manifold gasket?
Check for exhaust leaks. If you replaced the exhaust manifold gasket, did you use a lot of penetrating oil on the bolts to free them?
If it was the intake manifold gasket, check for coolant leaks - burning coolant creates a lot of smoke. Recheck everything for leaks.
Please consider a to help us answer more questions.
Thursday, October 6th, 2011 AT 10:26 PM