Blown valve or oil seal? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

cemtoes · 08-13-2009, 05:16 PM

Well today I started my redtop sr up, let it idle for a few minutes then left my house. I get about a block away, I'm in 3rd going about 25 and I hear a popbam! and a cloud of blueish whiteish smoke comes billowing out of my exhaust. I limped back to my house to inspect it. The smoke smells like gas and now it wont start at all.

Any ideas?

cemtoes · 08-14-2009, 02:23 PM

Well I started taking it apart...there seems to be gas/oil in the #3cyl only because the plug was wet. Theres also a bunch of oil in the exhaust housing of the turbo.....

Sileighty_85 · 08-14-2009, 04:33 PM

does it knock when running?

Do a compression test

Check turbo

*ManoNegra* · 08-14-2009, 05:18 PM

check injectors aswell

cemtoes · 08-14-2009, 07:25 PM

figured out the problem, it was the piston rings and a valve seal.

08-13-2009, 05:16 PM	#1
cemtoes Zilvia Junkie Join Date: Jul 2008 Location: Las Vegas, Nevada Age: 36 Posts: 307 Trader Rating: (4) Feedback Score: 4 reviews	Blown valve or oil seal? Well today I started my redtop sr up, let it idle for a few minutes then left my house. I get about a block away, I'm in 3rd going about 25 and I hear a popbam! and a cloud of blueish whiteish smoke comes billowing out of my exhaust. I limped back to my house to inspect it. The smoke smells like gas and now it wont start at all. Any ideas? __________________ get chill.

08-14-2009, 02:23 PM	#2
cemtoes Zilvia Junkie Join Date: Jul 2008 Location: Las Vegas, Nevada Age: 36 Posts: 307 Trader Rating: (4) Feedback Score: 4 reviews	Well I started taking it apart...there seems to be gas/oil in the #3cyl only because the plug was wet. Theres also a bunch of oil in the exhaust housing of the turbo..... __________________ get chill.

08-14-2009, 07:25 PM	#5
cemtoes Zilvia Junkie Join Date: Jul 2008 Location: Las Vegas, Nevada Age: 36 Posts: 307 Trader Rating: (4) Feedback Score: 4 reviews	figured out the problem, it was the piston rings and a valve seal. __________________ get chill. Last edited by cemtoes; 10-02-2009 at 10:24 AM..

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08-14-2009, 04:33 PM	#3
Sileighty_85 Post Whore! Join Date: Dec 2006 Location: Misawa, Japan Posts: 6,815 Trader Rating: (8) Feedback Score: 8 reviews	does it knock when running? Do a compression test Check turbo __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

08-14-2009, 05:18 PM	#4
ManoNegra Guild of Skullduggerous Intent Join Date: Jan 2004 Location: Socal Posts: 7,841 Trader Rating: (48) Feedback Score: 48 reviews	check injectors aswell