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The Terminator
Engine/Tuning
Tune Questions with Blower swap
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<blockquote data-quote="PNWSVT" data-source="post: 16075966" data-attributes="member: 192698"><p>For those of you who don’t know, I just did a rebuild on my 03 cobra. I was able to retain most parts, I upgraded what was needed, full ARP, Boundry oil pump gears, Canton pan and tray, 8.3:1 CR, comp stage 3 cams, and the newest part is the supercharger.</p><p></p><p>I went from a 3.4L Whipple to a 2.3 VMP with a 2.8 and a 4# lower. From what I understand this should have me close to 20lbs of boost. I have DSS Forged pistons, new rings, factory rods and polished crank. Again ARP 2000 studs and bolts everywhere i could go. </p><p></p><p>My AFR before the rebuild was 11.1, What can i anticipate on fire up? is it desperate I get a new tune right away? I know I have to go threw the break in process still but I am trying to weigh the pros and cons of a Dyno tune vs a download off here. </p><p></p><p>I have heard two different opinions with mainly people saying a dyno tune doesn’t mean anything on the street, its just a snapshot of the most amount of power your vehicle can make, and its expensive vs. a tune and data log ( then tweak tune) data log and repeat.</p><p></p><p></p><p>What are your thoughts? If you guys think the downloaded tune is a better option, which guy on the site has the goods? and SCT Programmer?</p><p></p><p></p><p>Murph</p></blockquote><p></p>
[QUOTE="PNWSVT, post: 16075966, member: 192698"] For those of you who don’t know, I just did a rebuild on my 03 cobra. I was able to retain most parts, I upgraded what was needed, full ARP, Boundry oil pump gears, Canton pan and tray, 8.3:1 CR, comp stage 3 cams, and the newest part is the supercharger. I went from a 3.4L Whipple to a 2.3 VMP with a 2.8 and a 4# lower. From what I understand this should have me close to 20lbs of boost. I have DSS Forged pistons, new rings, factory rods and polished crank. Again ARP 2000 studs and bolts everywhere i could go. My AFR before the rebuild was 11.1, What can i anticipate on fire up? is it desperate I get a new tune right away? I know I have to go threw the break in process still but I am trying to weigh the pros and cons of a Dyno tune vs a download off here. I have heard two different opinions with mainly people saying a dyno tune doesn’t mean anything on the street, its just a snapshot of the most amount of power your vehicle can make, and its expensive vs. a tune and data log ( then tweak tune) data log and repeat. What are your thoughts? If you guys think the downloaded tune is a better option, which guy on the site has the goods? and SCT Programmer? Murph [/QUOTE]
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Tune Questions with Blower swap
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