Sohc help - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Dfigga · 05-11-2009, 11:25 PM

so everytime i rev at 2500k i get this rattly noise coming from my intake manifold, its only around that certain rpm and after that it just goes away. anybody know whats up?pls help.

ericcastro · 05-11-2009, 11:30 PM

Is it in your manifold or is it valve tap in the valve cover??

is it the 2nd butterfly all fucked up?

you take your intake off and look in there with a flash light?

whats shark city???

Dfigga · 05-11-2009, 11:54 PM

hahah it means san jose, since sharks yeah bay area. haha

I build motors all day · 05-12-2009, 12:07 AM

possible piston slap

supreme_1 · 05-12-2009, 02:29 AM

i have never heard piston slap at 2500 rpm.

89sidewayz · 05-12-2009, 06:32 AM

Mine does same thing yo i dunno what it is but still runs fine so whatev run it till it dies then drop some diff in it.

punxva · 05-12-2009, 07:48 AM

lifters? you need to figure out exactly where the sound is coming from, then narrow it down from there

Dfigga · 05-14-2009, 07:33 PM

alright. ill check it out more

05-11-2009, 11:25 PM	#1
Dfigga Leaky Injector Join Date: Oct 2008 Location: Shark City Age: 31 Posts: 63 Trader Rating: (0) Feedback Score: 0 reviews	Sohc help so everytime i rev at 2500k i get this rattly noise coming from my intake manifold, its only around that certain rpm and after that it just goes away. anybody know whats up?pls help. __________________ mmmmm..

05-11-2009, 11:54 PM	#3
Dfigga Leaky Injector Join Date: Oct 2008 Location: Shark City Age: 31 Posts: 63 Trader Rating: (0) Feedback Score: 0 reviews	hahah it means san jose, since sharks yeah bay area. haha __________________ mmmmm..

05-14-2009, 07:33 PM	#8
Dfigga Leaky Injector Join Date: Oct 2008 Location: Shark City Age: 31 Posts: 63 Trader Rating: (0) Feedback Score: 0 reviews	alright. ill check it out more __________________ mmmmm..

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05-12-2009, 12:07 AM	#4
I build motors all day Zilvia Member Join Date: May 2009 Location: Chino Hills Posts: 194 Trader Rating: (7) Feedback Score: 7 reviews	possible piston slap

05-12-2009, 02:29 AM	#5
supreme_1 Zilvia Addict Join Date: Sep 2007 Location: hawaii Posts: 612 Trader Rating: (12) Feedback Score: 12 reviews	i have never heard piston slap at 2500 rpm.

05-12-2009, 06:32 AM	#6
89sidewayz Join Date: Mar 2009 Location: maine Age: 34 Posts: 8 Trader Rating: (0) Feedback Score: 0 reviews	Mine does same thing yo i dunno what it is but still runs fine so whatev run it till it dies then drop some diff in it.