Spark Plug Talk - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

EsteSS · 08-02-2011, 02:05 AM

I drive an 2010 SS and have it boosted @ 6psi. I haven't really put much thought into the spark plugs, but just reading around some say it can help things run smoother. Things line, "one step colder every 10psi". Now I'm not running 10psi of course, but is there any certain gap that is better to run on a boosted engine, or is whatever stock is fine?

Stingr69 · 08-02-2011, 06:12 AM

Don't mess with changing the plugs especially with only 6 PSI. If you actually burn them off, you could change them but that should not be happening at this level.

Are you having issues with rough running? It could be in the wires. They may have been damaged during the install. it could be in the tune or a piece of crud might have found it's way into an injector.

Could be a lot of things but the last thing I would do is to change plug type (or gaps) unless they are already broken.

-Mark.

Patrick G · 08-02-2011, 09:55 AM

It's not about psi, it's about cylinder pressure and added horsepower. If you've added 150rwhp over stock, you are most likely a candidate for a cooler plug and possibly a narrower gap.

CC Performance · 08-02-2011, 10:33 AM

^^ good advice...

08-02-2011, 02:05 AM	#1
EsteSS Drives: 2010 SS Join Date: Nov 2009 Location: Waco, TX Posts: 186	Spark Plug Talk I drive an 2010 SS and have it boosted @ 6psi. I haven't really put much thought into the spark plugs, but just reading around some say it can help things run smoother. Things line, "one step colder every 10psi". Now I'm not running 10psi of course, but is there any certain gap that is better to run on a boosted engine, or is whatever stock is fine?

08-02-2011, 09:55 AM	#3
Patrick G Drives: 2009 Pontiac G8 GT Join Date: Sep 2009 Location: Victoria, TX Posts: 52	It's not about psi, it's about cylinder pressure and added horsepower. If you've added 150rwhp over stock, you are most likely a candidate for a cooler plug and possibly a narrower gap. __________________ 2013 Corvette Grand Sport A6 Forged 416, Greg Good ported TFS 255 LS3 heads, ECS NOVI 1500 blower, 222/242 .629/.604 121LSA EPS cam, ARH 1 7/8" headers, NPP exhaust, 747rwhp/709rwtq on 93 octane, no meth, w/stock street manners. 2014 GMC Yukon XL Denali, Air Raid MIT, tuned. 2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph Texas Mile 2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 Texas Mile LS1,LS2,LS3,LS7 Custom Camshaft Specialist

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08-02-2011, 06:12 AM	#2
Stingr69 '69 Owned Since '79 Drives: '69 Z/28 LeMans Blue w/White Join Date: Oct 2008 Location: LR AR Posts: 1,848 View My Garage	Don't mess with changing the plugs especially with only 6 PSI. If you actually burn them off, you could change them but that should not be happening at this level. Are you having issues with rough running? It could be in the wires. They may have been damaged during the install. it could be in the tune or a piece of crud might have found it's way into an injector. Could be a lot of things but the last thing I would do is to change plug type (or gaps) unless they are already broken. -Mark.

08-02-2011, 10:33 AM	#4
CC Performance Account Suspended Drives: 99 Camaro SS, 79 z28, 70 GTX Join Date: Oct 2009 Location: ST Helens, OR Posts: 1,759	^^ good advice...