Im currently running 403's in my ls and the valves are terribly noisy. Crower recommends that they be set to .006 and .008 but i want to set them to .005 and .007 to try and cut down on some of the noise. Would this work without the risk of burning the valves, or in other words how tight is too tight?? please post up suggestions, TIA.

 

any insight to tighter valve specs?

 

5/7 or 5/6 sound about right. LS cams are smaller base cirlces so BVTEC lash numbers shouldn't be used.

 

cool ill try 5/7, thanks

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DAmn &raquo;</TD></TR><TR><TD CLASS="quote">cool ill try 5/7, thanks</TD></TR></TABLE>

you might wanna check your LMA's also...your noise could be coming from there..

 

i think its mostly due to the camshafts because numerous people over at nonvtec.com all say the same thing about thier valves bieng noisy. I guess its just a characteristic of the cam.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by onepoint6i &raquo;</TD></TR><TR><TD CLASS="quote">

you might wanna check your LMA's also...your noise could be coming from there.. </TD></TR></TABLE>

I thought ls motors dont have LMA's?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdm92civichb &raquo;</TD></TR><TR><TD CLASS="quote">I thought ls motors dont have LMA's?</TD></TR></TABLE>

They dont, he must of been thinking of a VTEC head