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Old 06-04-2008, 11:49 PM   #1
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Default Things to do before hitting the dyno.

So, im going on friday to do some power pulls on the dyno. My tune is kind of ghetto. Its basically a spark map that i stole from here (i know, i know but i hear/see no knock) and a fuel map done on the street. The car feels great! Anyway, my question is, what should i know/do before i go to the dyno? I'm not going to be doing any tuning there, just getting a number. Also, they are charging $50 for 3 pulls without them sniffing my tail pipe. Decent price? I have a wideband, do i need to pay the extra $25 to have them give me a second afr?
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Old 06-05-2008, 12:19 AM   #2
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Datalog all the pulls. See if they'll give you 5-10 minutes between pulls to use VE Analyzer on your fuel maps. Put new plugs in it the day you plan to go to the dyno. (don't care if they're a week old, change em).
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Old 06-05-2008, 12:27 AM   #3
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datalogging, good idea! that will give me something to compare to the dyno chart.
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Old 06-05-2008, 12:39 AM   #4
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also have different maps ready to try
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Old 06-05-2008, 12:41 AM   #5
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Check for/fix any and all leaks.

I can't tell you how many times I've read; "got XXXwhp on the dyno, but was leaking from one of the hoses so I couldn't make full boost".
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Old 06-05-2008, 02:03 AM   #6
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All good ideas so far. I can say from experience, if your bringing a laptop, bring the cord or charge the battery. My **** died on me at the dyno, luckily right after the ******* last pull.

Vash-
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