1. Wrench
   2 & 3 jaw gear puller
2. Ball joint installer
   Blind hole bearing puller set

No self-respecting workshop is going to attempt any engine work without several wrenches. Available in many sizes, these are the easiest way to tighten or loosen nuts. An adjustable wrench where you can set the size is known as a monkey spanner.

1. Flashlight
   Valve lash tool
2. Zip ties
   Screwdriver

Sometimes called a valve lash wrench, this is used when adjusting the valves on an engine. This tool may also come with a built-in torque wrench.

1. Brake bleeder
   Wheel spanner
2. Pliers
   CV boot clamp installer

Although you think you might never need pliers when working on an engine, you will be surprised at the amount of times you wish you had one in your toolbox.

1. Ballpeen hammer
   2 claw adjustable cylinder hone
2. Valve checking spring kit
   Universal hub puller

This tool is particularly useful when working on the valves of an engine. It helps to determine the right height for both the spring and the valve in their chambers. A micrometer is needed for exact measurements. As measurements will differ between cylinders, use the shortest measurement taken.

1. Adjustable hook wrench
   Wheel balancer
2. Dial bore gauge
   Battery carrier

This tool is used specifically to measure the inside diameter or pipes, cylinders or other round objects. Bore gauges are calibrated to 0.001 inches or 0.0001 inches.

1. Battery hydrometer
   Brake fluid tester
2. Diesel compression tester
   Auto stethoscope

Is there an auto doctor in the house? These stethoscopes include a long point probe, perfect for placing at points throughout the engine to listen for problematic sounds.

1. Side calipers
   Telescopic magnetic pickup tool
2. Tire inflator
   Tire level

Side calipers are used to measure the inside measurements of an object. For example, you could measure the exact distance of the two sides of a piston casing.

1. Battery charger and booster
   Valve core torque tool
2. Oil pump primer
   Cam chain tensioner holder

The oil pump primer is a crucial tool to ensure that a rebuilt engine is properly primed before starting it for the first time. If the engine is not primed properly, a dry start can cause untold damage.

1. Exhaust back pressure tester
   Oil filter wrench
2. Fuel injection test set
   Petrol compression tester

Many oil filters are turned into place by hand and then tightened using an oil filter wrench. These also help remove older filters that might have become stuck in place due to the heat of the engine over time.

1. Torx driver
   Belt tension adjuster
2. Alignment tool set
   Fuel injection test set

Similar to an Allen Key, a Torx driver will fit a specially shaped head on a range of bolts. They are easily identified by their six-point star shape.

1. Radiator pressure tester
   Allen keys
2. Screwdriver
   Timing tool set

Allen keys come in an array of sizes and are made to fit small hexagonal shaped head. Allen keys are sometimes called hex keys.

1. Ohm meter
   Angled hose clamp plier
2. Hydraulic pallet jack
   Parts washer

Ohm meters are a necessity, especially for any auto electrical work that you might need to carry out. Ohm meters essentially measure electrical resistance.

1. External puller set
   Crankshaft turning socket
2. Timing tool kit
   Ball joint installer

This is used for working on the crankshaft particularly and allows for the rotation of the crankshaft with the damper removed. It works with a normal ratchet.

1. Chain hoist
   Engine stand
2. Pushrod length checking tool
   Garage creeper

When rebuilding an engine, having the correct length pushrods is critical. A pushrod length checking tool helps ensure that this happens. Best of all, they are relatively inexpensive.

1. Hydraulic frame straightener
   Welding and cutting kit
2. Creeper
   None of the above

No, not something you need for Halloween but a simple flat board with wheels. Lie on this, and you can scoot anywhere you need to while checking under a vehicle. This is particularly useful if you do not have a vehicle lift.

1. Tap and die set
   Tie rod puller
2. Flange type puller
   Bearing puller set

These special tools are necessary if you would like to create or repair screw threads. This might be necessary when overhauling an engine.

1. Battery handle
   Jaw gear puller
2. Jumper pack/Charger combo
   Letter punches

Struggling with a flat battery? A jumper pack will get it started first time and the charger will ensure that you get a charge back into it so you won't need to jump it again.

1. Mini hook set
   Funnel and spout
2. Creeper
   Part washing containers

Engine parts, particularly on old engine rebuilds need to be cleaned. The best way to do this is by simply soaking them and then cleaning them in a part washing container.

1. Coil spring compressor set
   Screwdriver
2. Trim fastener removal set
   Filter plier

A good screwdriver set is never out of place in a workshop and a necessity when working on an engine of any kind. Make sure you have a range of different kinds from regular, to Philips to Robertson to name a few.

1. Injector socket set
   Hinged chain oil wrench
2. Heavy duty lock ring plier
   Computer code reader

All modern cars have computers that run pretty much everything in the vehicle. When something goes wrong with this computer, having one of these gadgets can not only help identify the problem easier but can also fix it in many cases.

1. Oil filter cups
   Torque wrench
2. Mechanic stethoscope
   Piston ring installer

A torque wrench is similar to a regular wrench except in the fact that it applies a precise torque to the fastener or bolt you are tightening. This prevents over tightening. The torque wrench was invented in 1918 by Conrad Bahr.

1. Stud removal tool
   Puller set for ribbed pulleys
2. Pulley remover
   Spark plug hole & thread chaser

Sometimes studs can be damaged, making it impossible to remove the bolt or perhaps the bolt has broken off, and the stud needs to be removed to insert a new one. Luckily, in times like this, a stud removal tool is just what you need to get the job done.

1. Rachett tie down
   Electric impact wrench
2. Telescopic inspection mirror
   Engine leveler

Also known as an air gun, this uses compressed air to spin and is the quickest way to attach or remove nuts.

1. Steel line stopper set
   Diesel injector puller
2. Oil filter wrench kit
   Zip ties

Zip ties are a great way to keep pipes, wires and leads together. For example, keep the high tension leads between the sparkplugs and distributor cap neat and tidy by using zip ties to bind them together.

1. Spark plug wire plier
   Crankshaft socket
2. Swivel filter wrench
   Turbo wrench

While working on an engine, the crankshaft will need to be turned and adjusted many times. This socket does the job for you without any fear of damaging the crankshaft itself. This is all done when the harmonic balancer, or damper, is removed.

1. Screwdriver
   Socket extensions
2. Spark plug wrench
   None of the above

A socket extension allows you to reach in difficult areas within engine to loosen bolts or nuts. This is an invaluable tool.

1. Digital control valve
   Air operated grease pump
2. Valve spring compressor
   Cleaning brushes

A good set of cleaning brushes can be used throughout your workshop on a number of different things, including keeping an engine spick and span.

1. Diesel engine locking kit
   Engine stand
2. Camshaft alignment plate
   Camshaft setting tool

Engines are heavy. When removed from a vehicle, they need somewhere to stand without the chance of falling and getting damaged. An engine stand will do the job perfectly.

1. Truck wheel nut remover
   Rotary drum pump
2. Feeler gauges
   Mobile oil pump unit

Feeler gauges are to measure gap widths, most notably in spark plugs. For example, too large a gap width means the spark plug will not fire properly.

1. Nut splitter
   Rod bolt stretch gauge
2. Punch set
   LED light set

Bolts within an engine are crucial. You don't want them coming loose now, do you? This tool helps to stretch a bolt to the tolerance level as instructed by the manufacturer. This torquing process means that the bolt won't come loose during engine operation.

1. Pneumatic oil extractor
   Drill and guide set
2. Pulley, hoist and lift
   Screw extractor set

No self-respecting workshop will be without a pulley, hoist and lift. Engines are heavy, and these three tools make it possible to not only remove them but replace them back into the chassis with minimal fuss.

1. Auto body repair tool set
   Bumping hammer
2. Calipers
   Magnetic flexible pickup

Calipers are used to measure the distance between two opposing sides of a particular object. They have any number of uses when working on a car engine, for instance, when measuring the cylinders.

1. Fuel line plier
   Flashlight
2. Combination spanner
   Disc brake piston separator

A flashlight is crucial while working on the innards of a car, especially the engine. And to keep your hands free, use a flashlight that straps to your head. Or employ an apprentice!

1. Flange type puller
   Double suction cup
2. Digital oil control valve
   Hammer

A hammer? To work on an engine? Yes, you never know when it might come in necessary. For example, a jammed starter motor might just need a gentle tap from a hammer to become unstuck.