wat is the oil clearence on the main and rod bearing on a b18a1? and wat clearence would u use on the ring gap clearence if your running CTR pistons in a LS block with a b16a head? i need clearence advice for top ring , second ring,and if the oil and spacer rings need clearence i need to kno too...? i want the block to shoot out at least 280psi or higher on compression wise ...any expert advice lmk..?