hi can anyone help i have a punto 75 93 reg head gasket gone all renewed now it wont start no firing got strong spark fuel ok timing marks seem to line up ok tried it with my finger over no 1 piston when i took the head off should 1 and 4 pistons be at the top also if anyone understands the engine will turn over quickly too start with then it seems to go into a slow stroke as i can only describe as trying to go backwards then the battery flattens quickly even a new one can anyone help cheers