Gt40p heads December 29, 2014, 10:43:20 PM I have a 95 gt, I am confused over this egr subject. So I pulled gt40p heads and lower and uppr intake from a 98 explorer. Do the egr ports match up from heads to intake or do I have to have something drilled out? Intake a heads from the same explorer. Quote Selected
Gt40p heads Reply #1 – December 30, 2014, 11:46:02 AM the GT40P has external EGR ports, which should work since you are using both heads and intake from the same engine. They don't have thermactor (air injection) provision, which may be a problem if Colorado requires visual smog. You may be able to add the thermactor tubes as non-functional to pass visual. See this post from FEP (post #10): Totally-confused-about-GT40-and-GT40p-heads Quote Selected
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