Re: Samson Goes to the Dyno...
Originally Posted by crx88Si
10:1 afr huh ;) i bet you smooth that out you'll make 200 easy. :-*
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Re: Samson Goes to the Dyno...
Originally Posted by crx88Si
10:1 afr huh ;) i bet you smooth that out you'll make 200 easy. :-*
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Re: Samson Goes to the Dyno...
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Re: Samson Goes to the Dyno...
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Re: Samson Goes to the Dyno...
I am in the process of making a video. I had one started with the older set-up but really, I want to redo it totally because I now have a quicker car. This was just me practicing launching without FTL and what not. It rained like 8 minutes later too. I was focusing more on launching, but no worries I'll TRY to get some runs in and then go to the track soon (I hope) and then produce a tolerable video. :y
JP |
Re: Samson Goes to the Dyno...
The dyno is a tuning tool. The numbers don't mean anything on their own. It's just useful for observing the effect of changes to the engine to the power band.
A chassis dyno is useless for mapping ECUs. |
Re: Samson Goes to the Dyno...
Originally Posted by baldur
The dyno is a tuning tool. The numbers don't mean anything on their own. It's just useful for observing the effect of changes to the engine to the power band.
A chassis dyno is useless for mapping ECUs. |
Re: Samson Goes to the Dyno...
Yeah, the chassis dyno can tell you what settings make the most power. It can't tell you whether you can run that map on the street without blowing up the engine though because on the dyno you're only at full throttle for max 5 seconds while on the street you can well do full throttle for 30 seconds.
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Re: Samson Goes to the Dyno...
Originally Posted by baldur
Yeah, the chassis dyno can tell you what settings make the most power. It can't tell you whether you can run that map on the street without blowing up the engine though because on the dyno you're only at full throttle for max 5 seconds while on the street you can well do full throttle for 30 seconds.
JP |
Re: Samson Goes to the Dyno...
To be really sure if the tune is right you need to try it out in 5th. I tend to do most of the work in third, and ease up to fourth when third is absolutely perfect. It helps a lot to have a steep hill too, then you don't need to use the highest gear to get the desired full throttle time to make sure everything works right.
In the UK it's common to compete about top speed where they do 1.25 mile runs, those take around 30 seconds to finish and any car that has only been mapped on a chassis dyno _will_ blow it's engine when it attempts that. |
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