Originally Posted by robert3188
Found a pretty good deal on a new 89-93 5.0 75mm bbk throttle body and new egr. Already have a gt40 intake. Is 75 mm too big for a stock motor and 19# injectors? And it will bolt up to the gt40 intake correct?
I don't think the GT40 uses an EGR does it?
My Cobra intake does not and it was derived from the GT40.
The 75MM TB is too large and will negatively affect your low end power.
A 70MM is max size recommended for a mostly stock to mildly modified 5.0.