Quote:
Originally Posted by jackal264
here's one that come up all the time.
whats the difference between:
dynojet Giant Drum at a given weight, Dyno reads how much energy the car has to use to push against the given weight. Often reads the highest of any dyno due to the fact you cannot apply additional load. The weight is the only resistance on every car for every run/chassis/weight etc of the car- You cannot tune the low end or mid range cells on a dynojet, You can only tune based on straight power pulls or on-off attempts to simulate load.
dynapac Dynpac is like a mini-dyno dynamics in a way. It is very popular in Japan because of the same reasons the Dyno Dynamics is popular with very thourough tuners elseware. It allows you to do some steady state or part throttle tuning/ cell by cell but not as fine as the DD. Also it will often overheat before you can really nail down a cell or complete a map and will read 2nd highest compared to the dynojet on numbers because it is bolted to the hubs.
dyno dynamicsDyno Dynamics is the best dyno for the money imo. It reads lower than all other mainstream dynos on the market because it uses an Electromagnetic Brake that is slowed by the magnets applying a force to slow the rollers the HARDER the car trys to push against the applied force. This dyno also allows the operator to apply various amounts of load conditions, simulate highway speeds, acceleration and other driving conditions that cannot be simulated with any other dyno.
mustang dyno Mustang Dyno is like a less precise version of a Dyno Dynamics. They typically use a large Belt whcih is attached to a pulley type system which is then in-turn strapped to a brake eddy or electronic brake. This system is less precise in steady state or cell by cell tuning. you can tune regions of cells but not hold the dyno in one exact spot. Tends to hunt around the screen. This dyno also reads considerably lower than the dynojet and dynapack because of the additonal load applied by the brake but is still not able to simulate as many various conditions as the DD. Good alternative for muscle cars or V8s because it is less important to get at every single Cell. This is a good dyno for Naturally Aspirated larger engines
etc.
and which is the best/most accurate?
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Here is some basic wrap up