i noticed upon tightening down my 2g fuel railand regulator on the 1g swap that the 850cc injectors i have aren't all tight. meaning 2 of them cannot swivel when plugging them in, but the other 2 have alittle play in them like they aren't tight.... i the little rubber gaskets that are on the upper part touching the fuel rail,, could these be bad? will this leak if they aren't tight? i am not talking about the cylinder ring gaskets. i'm talking about the rubber sleeve. and what do i need to do to fix it?