started to change my exhaust manifold gaskets this evening and what a cu*t of a job , very tight access between the inlet mani and the exhaust mani bolts , finaly got frustrated witht the last nut (top nut on cyl 3) and took the inlet manifold off and had the down pipe out , cant see any cracks so re-fitted and now waiting for an inlet manifold gasket and down pipe gasket but they were all shot to bits so hoping this was my manifold blow , but next time i have to do a manifold on one of them , i would rather just scrap the car !