Maintenance Guide
Maintenance Guides. Service repairs for Classic & modern cars. Manuals (registered users only).
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Lancia ECU Upgrades
Technical GuidesRead more...ECU Remapping for Lancia cars Guide to possible BHP and Torgue improvement, on Lancia cars with ECU remapping or upgrade. Model Variant Original BHP Tuning Performance Dedra 1.6 ...
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Lancia Flat-4 engine (1960-1984)
RegisteredEngines1960sRead more...Lancia Flat-4 engine From 1960 to 1984 Lancia introduced its new aluminum flat-4 engine in 1960 for the Flavia. Though it was a pushrod engine, it was advanced for the time. The ...
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Lancia V4 engine (1922-1976)
RegisteredEngines1920sRead more...Lancia V4 engine 1922 to 1976 Layout Configuration 10° V4 engine 11° V4 engine 13° V4 engine 20° V4 engine Displacement 903 cc (55.1 cu in) 1,090 cc (67 cu in) 1,091 cc ...
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Lancia V6 engine (1950-1970)
RegisteredEngines1950sRead more...Lancia V6 engine 1950 to 1970 Layout Configuration OHV 60° 2-valve V6 Displacement 1.8 L (1754 cc) 2.0 L (1991 cc) 2.3 L (2266 cc) 2.5 L (2451 cc) 2.5 L (2458 cc) 2.8 L (2775 cc) ...
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Lancia Wheel Fitment PCD & Offsets
RegisteredTechnical GuidesRead more...Lancia Lancia Wheel Fitment PCD & Offsets Size Guide Model Year PCD Offset Bore Dedra/Delta 93 90 on 4×98 35 to 38 58.1 Delta Integrale 94 on 4×98 30 to 40 58.1 Delta Integrale ...
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Land Rover ECU upgrades
Technical GuidesRead more...ECU Remapping for Land Rover Guide to possible BHP and Torgue improvement, on Land Rover cars with ECU remapping or upgrade. Variant Original BHP SRS II Tuning Performance 2.4 ...
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Land Rover Wheel Fitment Guide
RegisteredTechnical GuidesRead more...Land Rover Wheel Fitment PCD & Offsets Size Guide Model Year PCD Offset Bore Defender 90/110 92 on 5×165 30 to 40 Discovery I 90 to 98 5×165 30 to 40 Discovery II 98 to 03 5×120 ...
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Lateral force variation
RegisteredTechnical GuidesRead more...Lateral force variation explained Tires provide for steering, traction, braking, and load support by transmitting forces between the vehicle and the road. Lateral force variation ...
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Leaf spring
RegisteredTechnical GuidesRead more...Car Leaf spring explained A leaf spring is a simple form of spring commonly used for the suspension in wheeled vehicles. Originally called a laminated or carriage spring, and ...
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Left-foot braking explained
RegisteredTechnical GuidesRead more...Car Left-foot braking explained Left-foot braking is the technique of using the left foot to operate the brake pedal in an automobile, leaving the right foot dedicated to the ...
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Lever arm shock absorber
RegisteredTechnical GuidesRead more...Lever arm shock absorber Lever arm shock absorbers were the first form of hydraulic shock absorber or damper used for car suspension. They appeared in the 1930s and were most ...
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Lexus ECU upgrades
Technical GuidesRead more...ECU Remapping for Lexus Guide to possible BHP and Torgue improvement, on Lexus cars with ECU remapping or upgrade. Model Variant Original BHP SRS II Tuning Performance IS 2.0 155 ...
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Lexus Wheel Fitment Guide
RegisteredTechnical GuidesRead more...Lexus Wheel Fitment PCD & Offsets Size Guide Model Year PCD Offset Bore ES 300 92 to 97 5×114.3 38 to 45 60.1 GS 300 93 on 5×114.3 35 to 45 60.1 GS 400 93 on 5×114.3 38 to 45 ...
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Light emitting diodes (LED)
RegisteredTechnical GuidesRead more...Light emitting diodes (LED) LEDs are being used with increasing frequency in automotive lamps. They offer very long service life, extreme vibration resistance, and can permit ...
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Limited-slip differential
RegisteredTechnical GuidesRead more...Limited-slip differential (LSD) A limited-slip differential (LSD) is a type of automotive differential gear arrangement that allows for some difference in angular velocity of the ...
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Limousine
RegisteredInformation1900sRead more...Limousine View all Limousines in related items Below. A limousine (or limo) is a luxury sedan or saloon car generally driven by a chauffeur and with a partition between the ...
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Line lock
RegisteredTechnical GuidesRead more...Line lock explained A line lock is a device that allows the front brakes to lock independently of the rear brakes via a switch.The device is an electric solenoid that controls a ...
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Live axle
RegisteredTechnical GuidesRead more...Live axle A live axle, sometimes called a solid axle, is a type of beam axle suspension system that uses the drive shafts that transmit power to the wheels to connect the wheels ...
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Long-bolt engine
RegisteredTechnical GuidesRead more...Long-bolt engine A long-bolt or through-bolt engine is an internal combustion piston engine where, following usual practice, the cylinder head is held down by bolts or studs. ...
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Lotus 900 series Engine (1972-1996)
Engines1970sRead more...Lotus 900 series Engine range A lotus 912 Engine It is a common misconception that the Lotus 900 series engines were modified Vauxhall engines. The 900 series was designed by ...
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Lotus 907 engine
Engines1960sRead more...Lotus 907 engine The Lotus 907 was an engine designed and manufactured for automotive applications by Lotus Cars. It was an original design, dual overhead cam, 16 valve all alloy ...
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Lotus ECU Upgrades
Technical GuidesRead more...ECU Remapping for Lotus cars Guide to possible BHP and Torgue improvement, on Lotus cars with ECU remapping or upgrade. Model Variant Original BHP DNA Tuning Performance Elan 1.6 ...
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Lotus Ford Twin Cam Engine (1962-1975)
Engines1960sRead more...Lotus Ford Twin Cam Engine Overview Manufacturer Lotus Cars Also called Lotus TwinCam, Cosworth Mk.XIII, Cosworth Mk.XV Production 1962–1975 Combustion chamber Configuration ...
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Lotus Wheel Fitment Guide
Technical GuidesRead more...Lotus Wheel Fitment PCD & Offsets Size Guide Model P.C.D. Lotus Eclat 4 x 114.3 Lotus Excel 4 x 114.3 Lotus Elite 4 x 114.3 Lotus Esprit (Pre 1981) 4 x 100 Lotus Esprit (From ...
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Lower tie bar
RegisteredTechnical GuidesRead more...Lower tie bar A lower tie bar is an alloy/steel bar that ties the lower suspension pick-up points of a vehicle (with an independent suspension) together. It increases chassis ...
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Luxury vehicles
RegisteredInformation1900sRead more...Luxury vehicles View all Luxury vehicles in related items Below. Luxury vehicle is a marketing term for a vehicle that provides luxury — pleasant or desirable features beyond ...
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M4 Mid-engine, four-wheel-drive layout
RegisteredTechnical GuidesRead more...Automotive Mid-engine, four-wheel-drive layout (M4) Explained In automotive design, an M4, or Mid-engine, Four-wheel-drive layout places the internal combustion engine in the ...
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MacPherson strut
RegisteredTechnical GuidesRead more...MacPherson strut The MacPherson strut is a type of car suspension system which uses the axis of a telescopic damper as the upper steering pivot. It is widely used in modern ...
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MagneRide
RegisteredTechnical GuidesRead more...MagneRide explained MagneRide is an automotive suspension system owned by Beijing West Industries that utilizes magnetically controlled dampers, or shock absorbers, for a highly ...
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Magnetorheological damper
RegisteredTechnical GuidesRead more...Magnetorheological damper A magnetorheological damper, shock absorber is a damper filled with magnetorheological fluid, which is controlled by a magnetic field, usually using an ...
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Main 4-bolt
RegisteredTechnical GuidesRead more...4-bolt main Explained A 4-bolt main refers to the number of bolts attaching the main bearing caps to the block of an internal combustion engine. Four bolt mains are considered ...
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Main 6-bolt
RegisteredTechnical GuidesRead more...6-bolt main engine 6-bolt main refers to the number of bolts holding the main caps to the block of an internal combustion engine, and therefore holding the crankshaft in place. A ...
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Manifold Intake Variable length
RegisteredTechnical GuidesRead more...Variable-length intake manifold In internal combustion engines, a variable-length intake manifold (VLIM),variable intake manifold (VIM), or variable intake system (VIS) is an ...
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Manifold vacuum
RegisteredTechnical GuidesRead more...Manifold vacuum Manifold vacuum, or engine vacuum in an internal combustion engine is the difference in air pressure between the engine's intake manifold and Earth's atmosphere. ...
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Manual transmission
RegisteredTechnical GuidesRead more...Manual transmission A standard transmission or manual transmission is the traditional type of transmission used in a car. The manual or standard transmission consists of a series ...
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MAP Sensor
RegisteredTechnical GuidesRead more...MAP sensor explained The manifold absolute pressure sensor (MAP sensor) is one of the sensors used in an internal combustion engine's electronic control system. Engines that use ...
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Maserati ECU Upgrades
Technical GuidesRead more...ECU Remapping for Maserati Guide to possible BHP and Torgue improvement, on Maserati cars with ECU remapping or upgrade. Model Variant Original BHP Tuning Performance 420 2.0 185 ...
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Maserati Wheel Fitment Guide
RegisteredTechnical GuidesRead more...Maserati Wheel Fitment Guide PCD & Offsets Sizes Model Year PCD Cambiocorsa Coupe/Spyder 2002 to 2007 5×108 GrandSport & Spyder 2005 to 2006 5×108 Quattroporte 2005 on 5×114.3 ...
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Mass Air Flow Sensor
RegisteredTechnical GuidesRead more...Mass Air Flow Sensor Car Mass Air Flow Sensor Diagram The mass air flow sensor (MAF) is used to monitor the amount of air going into the engine while running. Mass air flow ...
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Mass Air Flow Sensor MAF Replace
RegisteredTechnical GuidesRead more...How to Replace a Car Mass Air Flow Sensor (MAF) The mass air flow sensor or MAF is a vital part to your cars computer system. This device is used to measure the amount of air ...
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Master cylinder
RegisteredTechnical GuidesRead more...Master cylinder In automotive engineering, the master cylinder is a control device that converts non-hydraulic pressure (commonly from a driver's foot) into hydraulic pressure. ...
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Maybach ECU upgrades
Technical GuidesRead more...ECU Remapping for Maybach Cars Guide to possible BHP and Torgue improvement, on Maybach cars with ECU remapping or upgrade. Model Variant Original BHP Tuning Performance 57 5.5 ...
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Mazda 10A engine (1967-1973)
RegisteredEngines1960sRead more...Mazda 10A engine production Head office factory, Ujina factory manufacturing period 1967-1973 type Water-cooled series 2 rotors displacement 491cc x 2 (982cc ) Inner Diameter x ...
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Mazda 12A engine (1970-1990)
RegisteredMotor Cars1970sRead more...Mazda 12A rotary engine production Head office factory, Ujina factory manufacturing period 1970-1990 type Water-cooled series 2 rotors displacement 573cc x 2 (1,146cc) Inner ...
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Mazda 13A engine (1969-1971)
RegisteredEngines1960sRead more...Mazda 13A Rotary engine production Head office factory, Ujina factory manufacturing period October 1969 to June 1970 type Water-cooled series 2 rotors displacement 655cc x 2 ...
