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are there any simple ways to decrease hold lift on the 350 or do I need an aftermarket hood?
I could of sworn there's a thread somewhere on here showing the 350's hood lifting at Daytona. I've noticed the hood lift/float around 130-140mph. It's pretty trippy.
One of the guys on here added a vent & pinned his hood. @spartan Does your hood vent help control hood lift or was it just for heat extraction? Both?
@Kevin Guzniczak _ I should have stated its not lifting it just flutters like a hummingbirds wing at about 90+MPH. Its just very annoying.
@VoodooBoss Thanks for the info. Ill check it out.
For sure it's a thing with my S550, it was pretty bad, even dirty air coming off big trucks on the highway would set that thing shaking like mad. I seem to have solved it with weatherstripping over the headlights and down the sides of the hood. Ford didn't run the rubber down the sides all the way to the lights, sealing that seems to be worthwhile. Also added some real vents in place of the turn signals in the hood, big thank you to @RES_22 for that part of the puzzle! It's not completely gone but it is way better than it was, not enough to worry about now.
Here's a couple I just shot them quickly with the cell phone. Right over top of the headlight and then up the fender flange to where Ford ended their weatherstripping.
View attachment 4411View attachment 4412
Where are you guys getting the weather strip? Home Depot? McMaster?
As a follow-up, I had my GT350 (which has a functional heat extractor from the factory) on track this past weekend, with the added weatherstripping at the front sides of the engine bay. (I previously had it only over the headlights.) I continued to notice what I would consider "buffeting" at speeds over ~110 MPH, but all in all, it is considerably better than it was during my first track day with the car. (On that day, I actually pulled into the pits and asked a track worker to ensure that my hood was actually latched, because the hood was shaking so much that I was convinced it wasn't.) The "good enough for me" fixes I have done are:
- Raising the hood stops to exert pressure on the corners of the hood;
- Adding weatherstripping over the headlights; and
- Adding weatherstripping from the headlights along the side edge of the engine bay, up to the point where the factory weatherstripping starts.
Hope others find this information helpful.