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2003cobra#2's 3.4 Whipple Build
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<blockquote data-quote="03cobra#2" data-source="post: 16898497" data-attributes="member: 52057"><p>Update:</p><p>Got the MS3 installed, dual Spartan 3 widebands installed using canbus. Noticed my Stainless Works cats were failing so I replaced with straight pipes. Now it makes sense as I felt the car made a hair more boost then I felt it should and power was down ever so slightly when I had the Whipple 3.4 on last year on the dyno...Car is a little louder now [emoji1787]. </p><p></p><p>I'm having someone online helping me with the tuning to shorten the learning curve. Started the car and got a good idle going. We noticed the passenger 02 was being weird, acting up, and being all crazy so we disabled it and took the car out for a very easy drive.....did not drive very well lol. Start up and idle is good, so we have a very good base tune in place. </p><p></p><p>After playing with the passenger o2, swapping sensors, verifying with my innovate 02, I came to the conclusion there is no problem with the wideband 02 but a problem with the passenger bank. Drivers side it good...passenger side was running 1.3 to 1.5 lambda verified no Bueno. The MS3 has great test modes / troubleshooting capabilities and I was able to trace the problem to cylinder 4 fuel injector connector! I have a replacement on the way.</p><p></p><p>This week, I will get the bad injector plug fixed, replace the plugs with fresh NGK Br7's, and I have ordered a hall effect sensor to replace the factory cam sensor. Everyone once in a while it throws a cam code on startup. Looks like I am nearing the finish line. <img src="https://uploads.tapatalk-cdn.com/20230403/15b0f224fec43fc717ae8984572b9dfd.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="03cobra#2, post: 16898497, member: 52057"] Update: Got the MS3 installed, dual Spartan 3 widebands installed using canbus. Noticed my Stainless Works cats were failing so I replaced with straight pipes. Now it makes sense as I felt the car made a hair more boost then I felt it should and power was down ever so slightly when I had the Whipple 3.4 on last year on the dyno...Car is a little louder now [emoji1787]. I'm having someone online helping me with the tuning to shorten the learning curve. Started the car and got a good idle going. We noticed the passenger 02 was being weird, acting up, and being all crazy so we disabled it and took the car out for a very easy drive.....did not drive very well lol. Start up and idle is good, so we have a very good base tune in place. After playing with the passenger o2, swapping sensors, verifying with my innovate 02, I came to the conclusion there is no problem with the wideband 02 but a problem with the passenger bank. Drivers side it good...passenger side was running 1.3 to 1.5 lambda verified no Bueno. The MS3 has great test modes / troubleshooting capabilities and I was able to trace the problem to cylinder 4 fuel injector connector! I have a replacement on the way. This week, I will get the bad injector plug fixed, replace the plugs with fresh NGK Br7's, and I have ordered a hall effect sensor to replace the factory cam sensor. Everyone once in a while it throws a cam code on startup. Looks like I am nearing the finish line. [IMG]https://uploads.tapatalk-cdn.com/20230403/15b0f224fec43fc717ae8984572b9dfd.jpg[/IMG] [/QUOTE]
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2003cobra#2's 3.4 Whipple Build
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