I currently have my 78 hood removed from my 240 as to straightened out a few bumps...in the mean time, can I drive my Z with the stock hood slightly ajar (not fully released)? You know, to keep my F 54 as cool as it was with the vented hood? Or is this too dangerous?
At some speed ( 70+?) the back pressure will keep the air under the hood. The hood vents were to release the air from the front and to help cool the car. When/if you ever have a hose break or replace a rad. hose you can smell it when the vents are open. This shows how the air flows in the cowl area. All car designs of this era (50's) hadn't a clue about aero qualities.
Thank you Jcool78 2plus2, your response made sense, especially your observation regarding static hood pressure @70mhr +. I have header wraps, and a heat shield guarding my SU's, call me paranoid, call me stupid, however, I feel that lowered hood temp = more hp, hence my inquire concerning my "ajar" state for my stock hood, untill...I repair my 78 hood---Jerry