are you sure its the Cobra intake . As the EGR is part of the upper manifold. the GT 40 and stock have a spacer that has cooling lines going to it to help cool the exhaust gas from the EGR.
Maybe the motor had a problem to begine with. are you getting any codes ? i guess you didn't hook up a check engine light in the dash of your cobra.
It's 7:00 am and im going on a limb here i think the egr just has the vacum line and no electric solinoid that i can remember, i cant think of an electrical hook up for it either. I used to run mine unplugged but after finding out what it really did i hooked it back up and no real diffrences.
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89 with 331 t3'/t4 hybrids. upr Suspention worked out finnaly . 9.89 144 mph .
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