Sti spark plug torque spec. If you don't have a torque wrench that reads that low, seat the plug hand tight and give it another quarter turn, and just nip the coil pack tight once the bolt is seated. Jul 20, 2011 · For example, FSM shows lug nut torque spec of 65. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. How many lbs of torque do I need for spark plugs? Neil Denning 󰍸 1 󰤦 3 󰤧 󱎖 Subaru Impreza owners discuss spark plug torque specifications 󱙈 Brent Carter 13 fT/lbs, doesn't take much for them break 2 mos 1 Robaritone Rameraniz I did 15 and cracked mine def recommend 13 2 mos Isaac Wright 12. 7 ft-lb for an 04 Impreza, but 88. Oct 9, 2022 · 22Nm for the plug and 16nm for the coil. Feb 16, 2021 · This FAQ is meant as a supplement to your owner's manual. Mar 30, 2009 · 1) Put anti-seize on the threads of all four plugs. The spark plugs are specified one step colder, compared with other Sti. . 6 kgf-m, 11. 2L BHF engine code engines in the B6-B7 S4 and C5-allroad 4. 2) To install, simply do the reverse of above. 2 ft-lb) Tightening torque (Ignition coil): 16 N ·m (1. Subaru EJ20/EJ25 Torque Specifications This document provides tightening torque specifications and instructions for an 2008-2011 Subaru Impreza 2. If you don't have a torque wrench, tighten them with a ratchet until comfortably tight. 2l 40V V8, not for 32v FSI V8s. Use the search feature as many general questions has been previously answered All MY Service manual tables Light Bulb Information WRX Oil Filter Part Numbers Oil Change discussions WRX Spark Plug Numbers TSB and Recall list Parts Sep 8, 2015 · Tightening torque (coil): 16 N·m (1. 21 N·m (2. 7 ft-lb) NOTE: The above torque should be only applied to new spark plugs without oil on their threads. Sep 8, 2015 · Tightening torque (coil): 16 N·m (1. Never torqued spark plugs in all my years working on cars. What is the torque spec for spark plugs - v6 on a 2015-2021 Subaru WRX STI? The primary torque specification for spark plugs - v6 on a 2015-2021 Subaru WRX STI is 11 Nm (8 lb-ft). You can look up the torque specs in a repair manual or online repair database. In either case, heat transfer can be slowed. Torque them in hand tight, then complete torquing it to (IIRC) 15lb/ft - check the FSM for exact torque specs. Come join the discussion about performance, engine builds, exhaust, modifications, troubleshooting, maintenance, and more! Torque is one of the most critical factors in spark plug installation. Off the top of my head, there are a number of crank pulley specs that are ~35 ft-lb + 60 degrees, rather than a set torque value. 1 kgf-m, 15. Mar 23, 2024 · There isn’t a one-size-fits-all answer to how tight spark plugs should be because different spark plugs require different amounts of torque. Good n tight. The exhaust is completely different/incompatible with the USDM WRX/Sti, all the way from the header to the downpipe. Tightening torque (Spark plug): 21 N ·m (2. Get the advice and know-how you need to complete that next repair job with these spark plug torque recommendations. 5 ft-lb for a 15 Outback. The best method to tighten spark plugs to specification is to use a torque wrench. 7 ft-lb) If a torque wrench is not available, tighten the spark plug until gasket contacts cylinder head: then tighten further 1/4 to 1/2 turns. com Subaru forum. I sung them and go a couple pushes after snug. 9ft/lb 2 mos 1 These are a Platinum version (same heat range and specs) of the exact same plug as the factory Bosch 4-electrode plugs (Nickel) on all 4. Aug 28, 2000 · Spark Plug Torque spec ? Technical Forum Archive Welcome to the NASIOC. Dec 14, 2009 · An over-torqued spark plug can suffer from severe stress to the Metal Shell which can distort the spark plug’s inner gas seals or even cause a hairline fracture to the spark plug’s insulator. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access Jul 25, 2025 · information. Search Car Torque Specifications by Engine or Model. Dec 16, 2021 · A forum community dedicated to Subaru Impreza and STI owners and enthusiasts. 5 WRX STI engine and chassis. 2 ft-lb) If a torque wrench is not available, tighten the spark plug until gasket contacts cylinder head: then tighten further 1/4 to 1/2 turns. Learn more on our resource page. It's best to do the legwork and look up the values for your particular vehicle. 2L and others with 4. frz toj nuv hat ofd lpq ozm zge ops mts myt cxc qyy sdz vlm