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Blasting sheet metal screws into the tub just to fit "half-liners". Why? Doesn't seem to serve a real purpose, and if it would be helpful Honda would've done it, no? Can't really say aesthetics either because you don't see this area behind the tire....
Not trying to be condescending with rhetorical questions....Just genuinely curious what the benefit would be of these that's so great it warrants drilling into the factory metal.
Agreed on the sheet metal screws. I'd do thread serts.
The purpose of rear fender liners is to prevent all the debris and stones that routinely get kicked into bumper area. You quickly discover how much gets back there when you remove bumper, and it leaves a pile on the ground to clean up.
Agreed on the sheet metal screws. I'd do thread serts.
The purpose of rear fender liners is to prevent all the debris and stones that routinely get kicked into bumper area. You quickly discover how much gets back there when you remove bumper, and it leaves a pile on the ground to clean up.
Blasting sheet metal screws into the tub just to fit "half-liners". Why? Doesn't seem to serve a real purpose, and if it would be helpful Honda would've done it, no? Can't really say aesthetics either because you don't see this area behind the tire....
Not trying to be condescending with rhetorical questions....Just genuinely curious what the benefit would be of these that's so great it warrants drilling into the factory metal.
i did it for aero and aero only . honda built this car for a certain price point and the design is over 20 years old. s2000's are known to have misaligned rear bumpers over time, sagging mid section. sounds like some amount of parachuting happening . my plan was to do some testing but i just don't have the time anymore. i know Rob doesnt believe this effect happens but i respectfully disagree. i use my car for the track only but my goal was always to keep the car normal looking and cutting the bottom half of the bumper was out the question. Dan from https://professionalawesome.com/ seen my thread on another track group and said my idea would help with aero and thats good enough for me. i did not use sheet metal screws i used oem screws that i predrilled in areas that you would never see.
i know this is not a oem bumper but this is the only picture i could quickly find . my oem bumper after 5 years of tracking is showing this but to a lesser effect .
What about cutting into the rear bumper and adding a vent duct? Think brake ducts but backwards to feed air out of the body. Combined with some J's front style fenders or top front fender vents I think the aero would improve a good amount.
For the rear I think just a vent placed here with a duct behind it leading to the rear shield you added would have multiple positive effects.
The bumper cuts I have always thought were more about ease of accessing the diff or tucking your exhaust up higher. The vented rear bumpers like above I do like the look, I'm not even going to lie.
If anything I think the rear liner would only parachute worse and trap heat in the wheel well or cause more lift. Adding an air channel for it would probably be the best of both worlds. Relocating the rear bumper tab also wouldn't be a bad idea to get a tighter fit if you bumper is parachuting.
Edit:
I actually have read Professionally Awesome's stuff before but read it again. I do think the rear liner is a great modification, but running no rear bumper doesn't have an affect on your top speed, acceleration, or lap times from testing (Robinette and Facebook users)
If your car had a flat underbody or was going over 150 I think the parachuting would be an issue.
issue.A Go-Pro, some string, and tape would show the effectiveness of the rear wheel well though. I do think it will be helpful but it can be made more efficient with some style mesh/sponge to get more air out of the wheel well similar to the current VA STI front Fenders.
If anything I think the rear liner would only parachute worse and trap heat in the wheel well or cause more lift. Adding an air channel for it would probably be the best of both worlds. Relocating the rear bumper tab also wouldn't be a bad idea to get a tighter fit if you bumper is parachuting.
