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March 7th, 2018, 11:26 PM   #11
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Originally Posted by funmachines View Post
torque=hp*5252/rpm. If you know the gearing used on the dyno for road speed maybe you can calculate it.
Yes that 5250 crossover.

I did ask about a torque graph. He computer is set a HP. Obviously what ticks most people. I like to see the full story. Oh well. As Mat (and others) has said previously depends on the dyno, the bloke running it and atmo conditions. The idea is to get the fuelling sorted. Job done. Itís intersting that the remapped ECU did better than the Vortex (yeah Tom, time of day). I couldnít pick a difference between the maps and this graph shows that less the torque graph of course.
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March 8th, 2018, 03:12 AM   #12
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Originally Posted by Alan View Post
Thanks Tom, good info.

Any change regarding torque?
If you put the charts on top of each other you will see just one line.
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March 9th, 2018, 07:00 PM   #13
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how much power are you guys getting when changing the stock street legal muffler for a better one?
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March 13th, 2018, 04:03 AM   #14
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Originally Posted by The Benz Master View Post
how much power are you guys getting when changing the stock street legal muffler for a better one?
You need to do more. Open the air filter and add fuel = glorious.
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March 14th, 2018, 08:48 AM   #15
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Originally Posted by The Benz Master View Post
how much power are you guys getting when changing the stock street legal muffler for a better one?
It doesnt do anything for the top end, bottom end is improved.
This usually means something else is holding it back on top. Heads are flowing very poor as they come, 240 cfm from 40mm valves @28 depression.
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Last edited by TomTom; March 14th, 2018 at 09:04 AM.
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March 14th, 2018, 03:01 PM   #16
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I did a 4 day trip over our long weekend. The difference now with the remap is night and day different over the Vortex. All the way from go to whoa. There must be something wrong with this Vortex.
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March 20th, 2018, 03:35 AM   #17
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I gave the Vortex another run today. It was hard to pick any difference between it and the remap in the few K’s I did with both. If I had to pick I’d say the remap had just a tad more snap.

I can’t believe the change the airbox has made. So much more punch.

Looking at the graph, the number 7 map which I used for the run is showing what I have lead to believe is on the lean side for WOT? I enrichened the low and mid 2.5% and the high by 5% before the run. Considering each click of the trimpot equals 2.5%, I’m considering adding another 2.5% to each of the 3 trimpots to get the AFR’s around the 12.5 - 12.8 ratio.

Any thoughts?

Al.
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