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what rpm do you guys set your shift light at?

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Old 02-21-2010, 12:39 AM
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Default what rpm do you guys set your shift light at?

I am buying a harlan shift light tomorrow and don't really know what would be the best rpm to set it at. My limiter is set to 6800 I'm pretty sure. I was thinking around 6400. Mods in sig and I do have 4.10 gears so it revs fast as **** and I'm about to get it retuned for the 150 shot next week as well. What do you boys think?

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Old 02-21-2010, 06:46 AM
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Where does the dyno say your making peak power?? Take that and add 200RPM or so....
Old 02-21-2010, 07:12 AM
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I actually set my shift light 200rpms LESS than my peak HP.

Since it will take me 1/2 second to react to the light, by the time I do, I should be right at peak.
Old 02-21-2010, 07:58 AM
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Mine peaks at 6300..I shift at 6500..light is set at 6400 for my reaction delay.
Old 02-21-2010, 09:10 AM
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mine is set at 6800
Old 02-21-2010, 09:12 AM
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my rev is set at 7000 my light comes on at 6800
Old 02-21-2010, 10:16 AM
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6400 light, 6800 limiter, and its set as is due to my slow shifting. By the time the next gear is grabbed the motor is probably turning 6600ish
Old 02-21-2010, 12:50 PM
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Well my only dyno sheet with this engine don't show the rpm's at the bottom. It has hp on the left and mph on the bottom. I guess I need to ask my tuner where it peaks and see what he says.



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