Underhood heat caused by cam?

[Mike_W]

Water temp. is fine. I do have a cowl hood (heat pours out, stormin normin hood would be cool). As far as changing color goes, they were just turning a more blue. I talked to a fellow mustang enthusiast, who told me 30# inj. are no good, something about pulse width and too lean & too rich at different rpms. He told me to go with 42# with the dyno tune/chip.

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90LX,Vortech-V2SQ