Jeep Cherokee

Jeep Cherokee’74: the first Jeep Cherokee; ’84: presentation of a newer version; ’87: 4 liter engine; ’89: introduction of ABS; '91: power increase; ’97: stylistic changes; 2001 introduction of a successor.

► Technical data
bodies: 3-, 5-door: dim. 4240-4285/1790/1620 mm; poj. trunk 1010/2035 …

Purchase of a delivery vehicle

Purchase of a delivery vehicle.

By giving advice, we discuss the parameters, which should be taken into account when buying a delivery vehicle, to meet the buyer's expectations, which is usually the owner of a small enterprise, running a business.
This topic deserves an introduction, because the van often plays a decisive role …

Jeep Wrangler after '96

Jeep Wrangler-Sep '96: car modernization. References to the predecessor are very visible, slightly smoothed, back to the round headlights, new dashboard.

► Technical data
bodies: 3-door. dimensions 3883/1732/1748 mm, poj. luggage. 320/1045 l, weight incl. from 1405 kg. Motors: benz., injection: 2.5 …

Slotted spark plugs

Another way to facilitate the access of the mixture to the spark was proposed by Japanese constructors. They introduced a groove in one of the electrodes. At NGK, this V-shaped groove is made on the face of the center electrode. Whereas at DENSO they have candles as standard …

Spark plugs without side electrode

Czech constructors from the Brisk company assumed the assumption, that the ground electrode in a conventional spark plug limits the spread of the flame front, creating a "shadow zone". An original structure called Premium was created, which is characterized by the absence of a side electrode. The tip of the candle consists of …

Jaguar XJ

Jaguar XJ’68: premiere of the XJ series luxury limousine; X ’86: body modification; XI ’89: modernization of the body (silhouette, interior); X ’94: model change; X 97: car restyling, as XJ8.

► Technical data
bodies: since: 4-door. dimensions 4990/1795/1360 mm, poj. trunk 430 l, time …

Types of spark plugs

Combined semi-surface discharge candles. This type of candle differs from the standard plug with the insulator cone protruding from the body and the internal threshold at the bottom of the body.
During normal spark plug operation, the spark jumps from the center electrode to the side electrode by the shortest one …

Isuzu Trooper

Isuzu Trooper’81: Trooper production started; III ’85: 5-door version; ’88: modernization, rectangular lights; ’89: engine 2.8; '91: presentation of a new car, engines: 3.2 V6 24V i 3.1 turbodiesel.

► Technical data
bodies: Station Wagon 3-drzw. dim. 4075/1650/1800 mm; long version: 3-, …

Spark plugs

When it comes time to periodically inspect the car and replace various operating fluids, filters or spark plugs, we often face a dilemma, whether to use the materials indicated by the car manufacturer in the instruction manual, or to use a commercially available alternative.
The solution to this …