Good morning well here is what i have so far coils are good new a while back new wires and plugs have checked ohm impedance at injectors all 15 have done a leakdown check cyl 1-3-7 at 5% cyl 3 at 16-17 have checked inlet manifold bolts none loose plugs are a bit black and showed black after a brief run no evidence of a/f in the oil clean and no smoke in the exhaust no overheating cyl 5 did blow into crankcase no sound at inlet or exhaust upper manifold is off at this point as rocker box gaskets were leaking thanks everyone in advance for any replys