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The Terminator
Engine/Tuning
Cobra stuttering under boost
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<blockquote data-quote="JayJay" data-source="post: 15642382" data-attributes="member: 158855"><p>Hi guys</p><p></p><p>I have done an installation of a ported eaton with an 2.8 upper pulley.</p><p>Supporting Mods:</p><p>- Kenne Bell BAP</p><p>- NGK TR6 Plugs (gapped at .028)</p><p>- 90mm MAF</p><p></p><p>- Also wanted to change the injectors, just that everything is not running anywhere near the limits. But the tuner said he couldn't adjust those siemens deka 60lb which i've bought. So, still stock injectors.</p><p></p><p>I took her from the shop, drove home and soon I noticed, that the car is running smooth (healthy idle). Driving perfect, but as soon as I hit boost in low rpm / high gears, it starts stuttering. It feels like the injection is timing out for a split second. I have made a video so you can see it.</p><p></p><p>[MEDIA=youtube]jBiVpgaZAFU[/MEDIA]</p><p>[ATTACH=full]94138[/ATTACH] [ATTACH=full]94140[/ATTACH]</p><p>High rpm pulls to the limit she feels good. Low driving, cruising also. Just when it gets to boost with low rpm there comes the problem.</p><p>Also made an Picture of the sparks, with about 400 miles on them.</p><p></p><p>Wrote him a Mail, but I would like to hear what you guys saying.</p><p></p><p>Thanks for your help!</p></blockquote><p></p>
[QUOTE="JayJay, post: 15642382, member: 158855"] Hi guys I have done an installation of a ported eaton with an 2.8 upper pulley. Supporting Mods: - Kenne Bell BAP - NGK TR6 Plugs (gapped at .028) - 90mm MAF - Also wanted to change the injectors, just that everything is not running anywhere near the limits. But the tuner said he couldn't adjust those siemens deka 60lb which i've bought. So, still stock injectors. I took her from the shop, drove home and soon I noticed, that the car is running smooth (healthy idle). Driving perfect, but as soon as I hit boost in low rpm / high gears, it starts stuttering. It feels like the injection is timing out for a split second. I have made a video so you can see it. [MEDIA=youtube]jBiVpgaZAFU[/MEDIA] [ATTACH=full]94138[/ATTACH] [ATTACH=full]94140[/ATTACH] High rpm pulls to the limit she feels good. Low driving, cruising also. Just when it gets to boost with low rpm there comes the problem. Also made an Picture of the sparks, with about 400 miles on them. Wrote him a Mail, but I would like to hear what you guys saying. Thanks for your help! [/QUOTE]
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Cobra stuttering under boost
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