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Camshafts
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Camshaft selection can be as complicated as you like, but for the ultimate performance, even if that means best gas mileage requires that you consider the entire envelope that the camshaft will work within. Non-technical issues such as intended application (street, race, milage or??), budget, expected RPM range, etc must be considered along with technical things like compression ratio, Cylinder head and valve sizes, exhaust system, carburetion, etc.
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Acronyms used in the cam grinding industry.
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Choosing The Right Timing Set For Your Engine
C-AJJ3327 Installation Notes
Created: March 06, 2006
'A' Series BMC IMPORTANT Supplied are 2 screws. Replace the original bolts with screws after modifying cover plate. Manufacturer's Statement: Rollmaster are C.N.C. machined, high tensile steel sprockets using double row O6B-2 chain. Care must be taken to inspect key & keyways & shafts f...
Camshaft Theory by Elgin
Created: January 28, 2006
Considerable information has been recorded about numerous aspects of the four stroke internal combustion engine. Nevertheless, only a small percentage of people really understand how it works and even fewer still know how to modify an engine to suit their needs. I will try to simplify this complex subject by discussing some basic principles that may be overlooked or misunderstood by the average person. First, it is very important to understand the relationship between piston travel directions and valve timing events. The reason this relationship is important is because it is one of the few things that is relatively easy to adjust/change. The camshaft which opens and closes the valves makes ONE complete revolution (360 degrees) while the crankshaft moving the piston up and down the cylinder rotates TWICE (720 degrees). Camshaft timing is usually expressed in terms of crankshaft degrees relative to the piston location in the cylinder. That is, relative to Top Dead Center (TDC) and Bottom Dead Center (BDC), respectively. Note that during the four strokes of a piston in an internal combustion engine the crankshaft will rotate 720 degrees and the piston will be at each TDC and BDC twice.
Who is Kent Camshafts
Created: January 27, 2006
Established in the late 1970’s, Kent Performance Cams has grown from a fledgling idea nurtured by two engineers - Bob Munt and Bob Fry - into a world renowned specialist camshaft manufacturing team, a camshaft manufacturing house that was capable of producing competition engine components within strict quality control criteria whilst still remaining cost effective, a policy we still pursue to this day.Bob Fry - who took full control of the company in 1989 - has since taken a back seat in the running of the company leaving the existing management team - Tony Woodward, Andy Burns, Malcolm Hawkins and Graham Watts - as the primary Directors responsible for further growth of the company. Other key employees include Sales Manager Del Johnson, whose automotive experience spans thirty years.
Kent Camshaft Fitting Rules
Created: January 27, 2006
The installation and first few moments of running are critical factors in the life of the camshaft and the following instructions have been devised in order to obtain maximum performance from the engine and to ensure a long and trouble free life from both the camshaft and associated components. These points are designed to be used in conjunction with the original manufacturers installation procedure.
Kent Camshaft Timing
Created: January 27, 2006
Kent Camshaft Timing methods. For many years the most commonly used method has involved establishing top dead center (TDC) as a datum (zero degrees) and positioning your camshaft with its inlet valve at maximum lift at a given position relative to this datum.
Camshaft Drives
Created: January 30, 2000
Fitment of an uprated cam drive system is essential when building a performance orientated engine. Timing scatter induced by the standard set up can reach up to 15° once the single row chain has stretched, which it does after only a few miles
Duplex timing chain kit, C-AJJ3323
Created: January 30, 2000
The front plate will have to be countersunk as shown ‘X’ to take the screws CMZ407MS, which replace the existing hexagon-headed screws, which would foul on the timing chain. Check for clearance on chain all round and align gears as per Workshop Manual. When using ‘A’ plus timing covers there is a small round pressing at the bottom which needs making flat to allow timing chain clearance.
Duplex timing chain kit, C-AJJ3325
Created: January 30, 2000
The front plate will have to be countersunk as shown ‘X’ to take the screws CMZ407MS, which replace the existing hexagon-headed screws, which would foul on
Duplex timing chain kit, C-AJJ3327
Created: January 30, 2000
The front plate will have to be countersunk as shown ‘X’ to take the screws CMZ407MS, which replace the existing hexagon-headed screws, which would foul on
Adjustable belt drive timing kit, C-AJJ3328
Created: January 30, 2000
The ubiquitous toothed belt cam drive system, originally developed for use on high performance race engines, is now generally accepted as the norm on all state of the art, modern engines. The application of this drive system gives very accurate ignition tming and quiet running, advantages that do not diminsh with time.