But leak is a vague word :) Doubt you will have issues with it, you're not trying to use the crankcase as a pressure vessel. Also doubt thermal expansion will free them (only a couple thou difference in the rate) I put permatex high tack on all expansion plugs.
------------------------------------------------------------------ 1992 300ZX NA 5 Sp (Dead) 1990 300ZX NA Auto 2+2 (Dead) 1990 300ZX TT 5 Sp (Est. 400 HP) 1990 300ZX TT 5 Sp (Est. 600 HP) 2004 G35 Sport 6MT (DD) |