Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - Knocking noise under valve cover, searched all over..

XxJaPxOxNeEs23xX · 01-01-2005, 12:06 PM

its either ur using too low of octane or it could be i think it was somthinglike ur sleeves are all worn out and it leaks air or pressure and it knocks

01-01-2005, 12:06 PM	#3
XxJaPxOxNeEs23xX Zilvia Junkie Join Date: Jun 2003 Location: california Posts: 572 Trader Rating: (0)	its either ur using too low of octane or it could be i think it was somthinglike ur sleeves are all worn out and it leaks air or pressure and it knocks