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New dyno tune for me

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Old 01-28-2010, 06:45 PM
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Default New dyno tune for me
Gonna re-dyno tune tomorrow night. Last time was 464/447 thru the mufflers. Cutouts will be open this time to see if there is any difference.

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Old 01-28-2010, 07:05 PM
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post up your results
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Old 01-28-2010, 07:20 PM
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Originally Posted by SILVERADO11
post up your results
X2. what gear? locked converter?
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Old 01-28-2010, 07:39 PM
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I have a gauge for that
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Just FYI, i saw less than 1 hp difference between open and closed.
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Old 01-28-2010, 09:17 PM
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Originally Posted by dlt76028
X2. what gear? locked converter?
410, yeah locked.

Originally Posted by Atomic
Just FYI, i saw less than 1 hp difference between open and closed.
What exhaust and muffler are you running ?
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Old 01-28-2010, 09:17 PM
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Originally Posted by SILVERADO11
post up your results
Yeah, hope it improves...lol
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Old 01-28-2010, 09:28 PM
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How hard does it pull on the streets with 465 rwhp?
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Old 01-28-2010, 09:42 PM
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I have a gauge for that
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Originally Posted by pittman
What exhaust and muffler are you running ?
pacesetter longtubes, 3" ORY, 3.5" y collector, 3.5" cutout, 3" tailpipe and 3" magnaflow muffler.
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Old 01-28-2010, 09:56 PM
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How much difference does a locked and unlocked converter make on the dyno?
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Old 01-29-2010, 07:14 AM
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Originally Posted by GMCtrk
How hard does it pull on the streets with 465 rwhp?
way too much for street tires. I can instant spin the tires under about 50 mph. From a 50 roll to about 120 it is a beast with that 410 gear.
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