hey guys just started putting my a14 motor together and when it came to number 2 and 4 main bearings the oil clearence was large. i used flexiguage to check my oil clearences and theese 2 seem odd compared to the rest and when i tighten number 2 and 4 caps down i cant turn my crank. the caps are numberd 1,2,3,4,0. i gather theese are in order 1 being at the front and 0 being the rear. whats wrong can someone plese help :(