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SN95 Cobras
Help with my new to me KB 2.1 cobra
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<blockquote data-quote="wirelessguy2005" data-source="post: 16296399" data-attributes="member: 194613"><p>I havent seen too many of the 2.1 kb's make that much boost on a 96-98 cobra setup. Mine makes 12 lbs but I modified the inlet to get it there. Just a heads up but I would pay real close attention to your fuel pressure, it was dropping off the higher you went in the rpms and that can spell disaster even with a forged bottom end. If it's boost referenced it should gain a pound of fuel pressure for every pound of boost so your fuel pressure gauge should have been reading somewhere around 55 lbs if it truly is making 15 lbs of boost . I took the boost a Pump off my car when I upgraded to the walbro 465lph pump. My 97 cobra is rock solid at 51 lbs fuel pressure for the entire run.</p></blockquote><p></p>
[QUOTE="wirelessguy2005, post: 16296399, member: 194613"] I havent seen too many of the 2.1 kb's make that much boost on a 96-98 cobra setup. Mine makes 12 lbs but I modified the inlet to get it there. Just a heads up but I would pay real close attention to your fuel pressure, it was dropping off the higher you went in the rpms and that can spell disaster even with a forged bottom end. If it's boost referenced it should gain a pound of fuel pressure for every pound of boost so your fuel pressure gauge should have been reading somewhere around 55 lbs if it truly is making 15 lbs of boost . I took the boost a Pump off my car when I upgraded to the walbro 465lph pump. My 97 cobra is rock solid at 51 lbs fuel pressure for the entire run. [/QUOTE]
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Help with my new to me KB 2.1 cobra
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