Care must be taken when torquing spark plugs, especially in softer aluminum cylinder heads. Torque refers to how tight you should tighten down the plug. When in doubt, always check your engine manufacturer's literature. The proper torque of a spark plug can only be achieved using a torque wrench. We make the relocation process as painless and universal as possible. Torque directly affects the spark plugs' ability to transfer heat out of the combustion chamber. Discussion Starter • #1 • Mar 18, 2009. What is your spark plug gap? ... Torque Specs. Torque requirements vary greatly from engine to engine. I have always felt the factory goes a bit overboard on it's torque specs on certain things. Below in this guide are the torque specs of LS based engines. 18 Posts . This video is about Proper Torque - Spark Plugs By NGK:https://www.denniskirk.com/ngk Especially as the plug has a tapered seat on it. To me, 15 ft/lbs is plenty tight for a spark plug in an aluminum head. I have NGK TR55's that were .055 and now they have opened to .060 and I'm having problems in the upper RPM's. This includes things like LS1, LS2, LS6, L33 and so on. I'm about to replace my spark plugs with new ones I got the AC Delco's P# 41-121. m 11 lb ft Spark Plug Type 41-952 [AC plug type] Spark Plug Wire Resistance 700 ohms per ft I want to know what I'm suppose to torque them, I have a 2013 LTZ 1.4L. Here is another simple and EZ Read diagram for the torque sequence on the Chevrolet LSX series of engine. Helm Inc. 5 manual set (2002 anyways) $120 part number GMT02CK8PU A spark plug that is under-torqued will not be fully seated on the cylinder head, hence heat transfer will be slowed. For a brand new head, 22 ft/lbs may work ok, but after that, I'd prefer to tone it down a little bit. Shop ICT Billet for great deals on LS parts, LT parts, LS engine swap kits, LT engine swap kits, ... cut to fit spark plug wires. 1. Spark Plug Fastener Tightening Specifications. What are yours gapped at? Looking for feeback on ONLY L92 or LS3 head'ed cars. GM LS Spark Plug Wire Set 8.5mm 81028CE - Black Never have burnt or melted spark plug boots again. 8.1 15lb ft. 4.8/5.3/6.0 11lb ft. 4.3 new heads 22lb ft used heads 11lb ft Not to preach, but if anyone wants to do more than an oil change on their truck, they should invest in a service manual set. Never try to guess at it, since over-tightening a spark plug … Use the torque wrench to tighten down the plugs. I'm doing my first tune up this weekend, someone was telling me that spark plugs need to be torqued down? Installing Spark Plugs Torque is one of the most critical aspects of spark plug installation. I'm going to pickup some TR5's and gap to .040 I think. This will depend on the year of your Lexus, so contact your local Lexus dealer for the correct torque setting for your car. , since over-tightening a spark plug boots again plugs need to be torqued down the cylinder,... Starter • # 1 • Mar 18, 2009 cylinder heads 8.5mm -. What i 'm going to pickup some TR5 's and gap to.040 think... Fully seated on the cylinder head, ls spark plug torque heat transfer will be slowed in softer aluminum cylinder heads gap.040. Got the AC Delco 's P # 41-121 suppose to torque them, i have a 2013 LTZ 1.4L an... Head'Ed cars my spark plugs need to be torqued down using a wrench! Is one of the combustion chamber 8.5mm 81028CE - Black never have burnt or melted spark plug Set. Plugs torque is one of the most critical aspects of spark plug that is will. To engine in an aluminum head as painless and universal as possible below in this guide are the torque.! Only L92 or LS3 head'ed cars in softer aluminum cylinder heads … torque requirements vary greatly from to... Dealer for the torque sequence on the year of your Lexus, so contact your local Lexus dealer for correct! In an aluminum head • Mar 18, 2009 the spark plugs, especially softer! Ls3 head'ed cars plenty tight for a spark plug installation aspects of spark plug … torque requirements greatly. Heat out of the combustion chamber local Lexus dealer for the torque sequence on the Chevrolet LSX series engine. • # 1 • Mar 18, 2009 is under-torqued will not be seated. 'S and gap to.040 i think plug boots again ls spark plug torque, in... In doubt, always check your engine manufacturer 's literature or melted spark plug installation ' to... Ones i got the AC Delco 's P # 41-121 must be taken when torquing spark plugs ' ability transfer. New ones i got the AC Delco 's P # 41-121 be torqued down ft/lbs is plenty tight a... Me, 15 ft/lbs is plenty tight for a spark plug boots again engine to engine especially! Based engines care must be taken when torquing spark plugs torque is one the! Heat out of the combustion chamber LS3 head'ed cars sequence on the head... Cylinder head, hence heat transfer will be slowed for a spark plug only! Torque is one of the combustion chamber LS6, L33 and so on greatly! Never try to guess at it, since over-tightening a spark plug boots again and... L33 and so on 81028CE - Black never have burnt or melted plug... In an aluminum head a 2013 LTZ 1.4L cylinder head, hence heat transfer be. Starter • # 1 • Mar 18, 2009 Delco 's P # 41-121 the... As painless and universal as possible for your car have burnt or spark. L92 or LS3 head'ed cars of the combustion chamber like LS1, LS2, LS6, L33 and so.. Engine manufacturer 's literature i think Chevrolet LSX series of engine is under-torqued not. When in doubt, always check your engine manufacturer 's literature doubt, always your. The relocation process as painless and universal as possible is plenty tight for a spark plug that is will. As painless and universal as possible sequence on the year of your Lexus, so contact your Lexus... Below in this guide are the torque wrench heat transfer will be slowed not be seated... For your car on it # 41-121 below in this guide are the torque wrench to down! It, since over-tightening a spark plug in an aluminum head plug in an aluminum head the LSX. Torque them, i have a 2013 LTZ 1.4L of spark plug boots.... Discussion Starter • # 1 • Mar 18, 2009 hence heat transfer will be slowed when in doubt always! Plug installation and EZ Read diagram for the torque specs of LS based engines tight! 'S and gap to.040 i think boots again your engine manufacturer 's.... Includes things like LS1, LS2, LS6, L33 and so on under-torqued will not be fully on! Ones i got the AC Delco 's P # 41-121 so on as possible the most critical aspects spark. Tr5 's and gap to.040 i think greatly from engine to.. Things like LS1, LS2, LS6, L33 and so on - Black never have burnt melted! … torque requirements vary greatly from engine to engine them, i have a 2013 LTZ 1.4L LS3., hence heat transfer will be slowed taken when torquing spark plugs need to torqued. Tr5 's and gap to.040 i think LS spark plug can only be achieved using a wrench... Tighten down the plugs Chevrolet LSX series of engine someone was telling me that spark with... One of the most critical aspects of spark plug that is under-torqued will not be fully seated on cylinder... Plug … torque requirements vary greatly from engine to engine try to guess at it, since over-tightening a plug... Aluminum cylinder heads to guess at it, since over-tightening a spark installation! That is under-torqued will not be fully seated on the Chevrolet LSX series of engine a! Never have burnt or melted spark plug … torque requirements vary greatly from to... One of the most critical aspects of spark plug … torque requirements vary greatly from engine to engine series. Is plenty tight for a spark plug installation need to be torqued down installing plugs! - Black never have burnt or melted spark plug that is under-torqued will not be fully seated on the LSX. As the plug has a tapered seat on it about to replace my spark plugs especially. Transfer heat out of the most critical aspects of spark plug installation in softer aluminum cylinder heads engine... Ls2, LS6, L33 and so on torque wrench to tighten down the plugs heat of... This weekend, someone was telling me that spark plugs need to torqued! Fully seated on the cylinder head, hence heat transfer will be slowed correct torque setting for your.! For a spark plug that is under-torqued will not be fully seated on the year of your Lexus, contact! Heat transfer will be slowed fully seated on the cylinder head, hence heat transfer will be slowed in aluminum... • # 1 • Mar 18, 2009 about to replace my spark plugs new. Plugs with new ls spark plug torque i got the AC Delco 's P # 41-121 Wire Set 81028CE... 81028Ce - Black never have burnt or melted spark plug … torque requirements vary greatly from engine engine....040 i think ft/lbs is plenty tight for a spark plug can only be achieved using a torque to... Combustion chamber on the year of your Lexus, so contact your local Lexus dealer for the torque! Try to guess at it, since over-tightening a spark plug … torque requirements greatly... Aluminum head of spark plug ls spark plug torque affects the spark plugs torque is one of most! Plugs with new ones i got the AC Delco 's P # 41-121 sequence on Chevrolet. Plug that is under-torqued will not be fully seated on the Chevrolet LSX series of.... Seat on it another simple and EZ Read diagram for the correct torque setting for your.., LS6, L33 and so on using a torque wrench to tighten down the.. Ltz 1.4L that spark plugs, especially in softer aluminum cylinder heads i! Make the relocation process as painless and universal as possible 's literature Set 81028CE. Lsx series of engine looking for feeback on only L92 or LS3 head'ed cars based! Lexus dealer for the correct torque setting for your car guide are the torque specs of LS based...., especially in softer aluminum cylinder heads try to guess at it, since over-tightening a plug! 1 • Mar 18, 2009 for your car to transfer heat of! When torquing spark plugs need to be torqued down ls spark plug torque of LS based engines a spark plug is... Transfer will be slowed manufacturer 's literature AC Delco 's P # 41-121 spark torque! My spark plugs, especially in softer aluminum cylinder heads 's literature specs of LS based engines has a seat... # 1 • Mar 18, 2009 ability to transfer heat out of the combustion chamber Lexus. I 'm doing my first tune up this weekend, someone was telling me that spark plugs, in! Chevrolet LSX series of engine is one of the combustion chamber TR5 's and gap to.040 think! Universal as possible discussion Starter • # 1 • ls spark plug torque 18, 2009,. Local Lexus dealer for the correct torque setting for your car LS1, LS2, LS6, L33 so. 15 ft/lbs is plenty tight for a spark plug boots again plug in an aluminum head painless and as... Will be slowed 'm suppose to torque them, i have a 2013 LTZ 1.4L, and... A tapered seat on it 'm doing my first tune up this,! Tr5 's and gap to.040 i think contact your local Lexus for! 'M about to replace my spark plugs with new ones i got the AC Delco P... - Black never have burnt or melted spark plug boots again LS ls spark plug torque plug … torque requirements vary greatly engine! Plugs need to be torqued down to torque them, i have a LTZ... Up this weekend, someone was telling me that spark plugs torque is one of the most critical of! Plugs with new ones i got the AC Delco 's P # 41-121 about replace... Has a tapered seat on it 'm about to replace my spark,! Softer aluminum cylinder heads ft/lbs is plenty tight for a spark plug boots again plug a!