PLEASE NOTE: Torque recommendations are for spark plugs with new gaskets. It is essential to tighten a spark plug to the specified turning angle or torque setting as torque directly impacts a spark plugs ability to remove heat from the combustion chamber. If someone would first give the factory specs … Thanks. A spark plug that is under-torqued will not be fully seated in the cylinder head and heat dissipation will be slowed. The 3.0L DOHC engine has 24 valves and 2 camshafts per cylinder head (DOHC -Double Overhead Cam). Correct spark plug torque is the very most critical step of spark plug installation. If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. Over tightening can cause damage to the threads in the cylinder head and the threads of the spark plug, stress the spark plugs internal seal, or fracture the spark plugs insulator. That surprises me. 1/16 turn on plugs with a tapered seat. When building your Coyote motor, having the right torque specs is key. Plugs should be torqued to 25 ft-lbs according to Ford. Torque directly affects the spark plugs' ability to transfer heat out of the combustion chamber. The 2001 Ford F-150 had six engine options to choose from, but these options were limited to just three displacements: 4.2-liter, 4.6-liter and 5.4-liter. Bosch - 1/4 turn on plugs with a gasket. 1/8 turn on plugs with a tapered seat. Bosch - 1/4 turn on plugs with a gasket. In the case of a discrepancy between the plug manufacturer and engine manufacturers recommendations, always default to the engine manufacturer. This video is about Proper Torque - Spark Plugs By NGK:https://www.denniskirk.com/ngk Tighten each of the 390's spark plugs to between 15 and 20 ft-lb of torque. Spark Plug Installation. Under tightening will prevent the spark plug from being properly seated on the cylinder head, resulting in insufficient contact with the head to transfer heat. Use the Champion torque recommendation below as a guide for tightening all spark plugs. Although torque specifications are generally thought of as important when installing the engine's main components, a number of other components are also assigned torque specifications on the 351W, including the spark plugs, the flywheel bolts, the rocker arm … He said that there's only one plug for both the XR^ and the XR6T. You'll also find the cylinder head, intake manifold, and intake plenum manifold torque and tightening sequence specifications. See the illustration above. Step-by-Step Instructions Tapered Seat Plugs. Ford recommended changing the F-150’s spark plugs in normal operation every 100,000 miles, or every 60,000 miles in severe operation. Autolite - For spark plugs with a gasket: 1/4 turn on 10mm plugs, 3/8 turn on 12mm plugs, 1/2 turn on 14mm and 18mm plugs. I installed NGK iridium plugs. Autolite - For spark plugs with a gasket: 1/4 turn on 10mm plugs, 3/8 turn on 12mm plugs, 1/2 turn on 14mm and 18mm plugs. Search Car Torque Specifications by Engine or Model. Clean the spark plug threads and ensure the cylinder head is clean of debris. I dont have a torque wrench, is the torque that important?. To find the manufacturers recommended torque setting, please enter the spark plug number in the search box. Either of these would result in elevated combustion chamber temperatures, followed by pre-ignition and detonation. The makers of the spark plug don't know what vehicle it will be used in, so use whatever Ford specifies. Anyway, that doesn't seem very tight, my jeep has a torque spec of 35 ft lbs for spark plugs. The Super Duty Diesel engine does not use spark plugs. While viewing the part detail page, click on the "specs" tab. Torque recommendations are for spark plugs with new gaskets. It is essential to tighten a spark plug to the specified turning angle or torque setting as torque directly impacts a spark plugs ability to remove heat from the combustion chamber. All went well. Here you'll find the essentials to tune-up your 1991, 1992, 1993, or 1994 3.0L Ford Ranger. The spark plugs in the 4.6-liter and 5.4-liter engines require 13 foot-pounds of torque. (adsbygoogle = window.adsbygoogle || []).push({}); Torque Specs for the Spark Plugs for a ’01 Ford F-150, The Number Sequence of Spark Plugs in a 05 Lincoln LS, The Firing Order of Spark Plugs in a V-8 03 Ford Mustang, How to Find Out Who Holds the Title on a Vehicle, How to Find Vehicle Options Based on the VIN, How to Transfer a Pennsylvania Title to a New York Resident. The Ford manual quotes 33-39Nm and Miles Wilkins just quotes the mid point of the range - 35Nm. The world leader in spark plug technology for over 80 years. NOTE: If you have high performance alloy or aluminum heads, always use a torque wrench to eliminate any possibility of damaging the engine's internal threads. Menu Close. The torque on the box is just a generic specification. Hi guys, I am replacing the spark plugs of my 289 v8 engine. NOTE: You can find the tune-up and basic specifications for the 3.0L OHV engine here: Tune Up Specifications (1996-1999 3.0L OHV Ford Taurus). Points: the heads are aluminum so use good anti-seize to prevent galling; only perform plug work on a cold engine 1/16 turn on plugs with a tapered seat. Late Model Restoration's 5.0 Coyote motor torque spec guide includes just about everything you need to know to get everything buttoned up on your engine. I just replaced my plugs week before last. It is always best to screw the new plugs in by hand and then torque to manufacturer specs. NGK -1/2-2/3 turn on plugs with a gasket. Bernie: Well this vehicle had 96 thousand kilometres which is about the interval for spark plug replacement, 60 thousand miles if you think in terms of miles, but, so this engine is a sort of newer design engine from Ford, it’s a 5L, they call it the coyote engine, It’s used in Mustangs and F150s basically, is the usage for the engine. Over tightening will result in a deformed spark plug, with the internal seal damaged. E3 - For spark plugs with a gasket: 1/2 turn on 10mm plugs, 3/8-1/2 turn on 12mm plugs, 1/2-3/4 turn on 14mm plugs. Spark Plug Torque. 1/16 turn on plugs with a tapered seat. When replacing spark plugs, for proper spark plug installation it is always highly recommended to use spark plug removal and installation tool and spark plug torque wrench. Haynes manual has 7-15 ft lbs listed for spark plugs, whenever I see that kind of range I usually split the difference. If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. 1/16 turn on plugs with a tapered seat. Champion - 3/8-5/8 turn on plugs with a gasket. View the Ford 4.6L Torque Specifications for engine repairs and rebuilds. My 2002 Ford Shop Manual shows plug torque to be 13 ft-lbs or 156 in-lbs. Can anybody conform that the XR6T DOES NOT require a special spark plug. Of these would result in elevated combustion chamber temperatures, followed by pre-ignition and detonation point of torque. 80 and 90 ft-lb of torque the very most critical step of spark plug do n't ask. Chart below Ford F-150 ’ s spark plugs with a gasket manufacturer and engine manufacturers recommendations, always default the... Generic specification and heat dissipation will be used in, so use Ford! 'S spark plugs, whenever I see that kind of range I usually split the difference,. 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