Originally Posted by fasthauler

That’s interesting. I never thought about a freeze plug. Would have saved me money on an adaptor plate. Ideally would be an aluminum performer manifold. That way you wouldn’t have the intake manifold getting so hot and you would lighten the vehicle by about 50 pounds. Can’t do that in California because of the smog checks. You can’t modify anything or its an automatic fail. I took mine in one time for grins and ran it through the smog check with the Edelbrock on it and the EGR removed and it actually ran cleaner than with the Factory equipment on it. I mean considerably cleaner. The Nox was 999ppm with the factory equipment and 110ppm with the Edelbrock and all the other numbers were lower as well. It passed with the factory equipment but of course failed with the Edelbrock. We need CARB ran by automotive experts instead of politicians that don’t know a differential from a distributor.