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SVTPerformance's Chain of Restaurants
Tuning À la carte
Lowering boost and re-tuning 2001 Cobra
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<blockquote data-quote="EDrgr" data-source="post: 16759258" data-attributes="member: 113663"><p>All,</p><p></p><p>I'm changing my pulley from a 3.60 to a 3.80 on a Vortech S-Trimmed Cobra in an attempt to lower boost from 11lbs at 6000 to target around 8-9lbs. This is on a stock Cobra and I believe 11lbs may be too much (GT impeller, non-intercooled, and Anderson Powerpipe). This is a street car which I occasionally take to the track. I don't want to hurt this engine is the bottom line.</p><p></p><p>I self-tuned it with SCT Advantage and Don Lasota wrote the base tune (and helped along the way). I know it needs a re-tune after I change the pulley. My question is after I change the pulley should I start the re-tune process using the base tune and dialing in the MAF again, essentially starting over, or should I just start where I'm at now and start adjusting it?</p><p></p><p>The second option is to run it the way it is with the 11lbs of boost and not worry about it as it'll be ok. I'm open to suggestions. Thanks!</p><p></p><p>Eddie</p></blockquote><p></p>
[QUOTE="EDrgr, post: 16759258, member: 113663"] All, I'm changing my pulley from a 3.60 to a 3.80 on a Vortech S-Trimmed Cobra in an attempt to lower boost from 11lbs at 6000 to target around 8-9lbs. This is on a stock Cobra and I believe 11lbs may be too much (GT impeller, non-intercooled, and Anderson Powerpipe). This is a street car which I occasionally take to the track. I don't want to hurt this engine is the bottom line. I self-tuned it with SCT Advantage and Don Lasota wrote the base tune (and helped along the way). I know it needs a re-tune after I change the pulley. My question is after I change the pulley should I start the re-tune process using the base tune and dialing in the MAF again, essentially starting over, or should I just start where I'm at now and start adjusting it? The second option is to run it the way it is with the 11lbs of boost and not worry about it as it'll be ok. I'm open to suggestions. Thanks! Eddie [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Lowering boost and re-tuning 2001 Cobra
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