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R34 Gtr On Dyno

GTR747

By GTR747,
in R Series (R30, R31, R32, R33, R34)

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m3gtr Grand Master

m3gtr

Posted
Posted (edited)
spinning is just cause the guy is treating the dyno like its a race track, kinda silly really

Not as silly as you think.

The car is strapped in quite nicely and he was launching it because they were doing 1/4 mile simulations with the guys in the background going " 10.68, woohoo!" obviously referring to a 10.6 down the strip.

i think thats a great idea for gaging a cars potential 1/4 m times. :(

whats silly about it? I just saw a vid of a 2500 HP supra on a dyno. I think if a dyno of ANY make can handle 2500 ponies, surely, it can handle a standing launch from a car only making 600hp..

#braces for inevitable admin backlashing#

Edited by m3gtr
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rev210 Grand Master

rev210

Posted
Posted (edited)

I think it's clever to bring accelleration into a tune. Certainly analysing the 'time' delta of mods is just as meaningful as horsepower. It picks up non-horsepower changes as a result of things like changes in rotational inertia and throttle response mods that are invisable only looking at horsepower. Enrichment fuel mixtures can play a part in response on and off the throttle pumping and can add precious milliseconds.

The time measurements also remove the 'happy dyno' to some degree, as we can measure the time 'in gear' to go from one speed/rpm to another. Things like gearing and rim/tyre diameter can then be given a chance to factor into the equation.

Certainly doesn't fully replicate on track logging of conditions but, in terms of tune analysis it's the next best thing.

Edited by rev210
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