couple of questions,first, ive got an oil leak from theoil pan,front of the eng and towards the rear of the car with a new gasket, let the sealant set over night ,and not over torqued ,and after each trip to work the bolts are loose 3 times also ,,,,,,,,,, breath,,,,,, can the inj timing be off a tooth and still run ok ,just not want to start cold ,20 F