Front Spoiler
Melting Slicks
Joined: Oct 2011
Posts: 2,748
Likes: 90
From: Sacramento California
C2 of Year Finalist (performance mods) 2019
2018 C2 of Year Finalist
Pro
Joined: Jul 2010
Posts: 691
Likes: 25
From: Boynton Beach Florida
Yes, bumpers are fiberglass and the spoiler sits high enough that it clears parking stops (curbs will hit) so not too much concern over scraping it.
Melting Slicks
Joined: Dec 2008
Posts: 2,070
Likes: 5
From: N.Richland Hills Texas
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Melting Slicks
Joined: May 2000
Posts: 2,029
Likes: 63
When Porsche factory went from this:
to this:
it reduced 911 peak front end lift by 40%. So it doesn't have to be huge to make a difference.
Corvette lift profile:
Last edited by ToniH; Dec 2, 2011 at 03:44 AM.
Drifting
Joined: Nov 2007
Posts: 1,716
Likes: 280
From: New York
Race Director
Joined: Apr 1999
Posts: 11,520
Likes: 13
From: CORVETTE 77 385 C.I. TEXAS
65 C2 155HP at 120 mph w/ Front rising 2 1/4 inches & rear 1/2".
C3 Mako Shark II fenders early design 210 hp @ 120 w/ Front rising 2 3/4 inches & rear down 1/4".
Vent front fenders, 175 hp @ 120 mph.
Cut front fenders down, cut rear spoiler way down to a lip, add small nose spoiler under, 105 HP @ 120 mph. front rise 5/8".
While the front was still rising, styling had been a feature of GM cars since the 30s so they needed to keep the basic design therefore the near hidden nose spoiler under front & the rear lip- finally eliminated in 74.
The Indy Pace car needed to be stable at high speeds on national TV, both ft. & rear spoilers needed for 78-79.
The Indy front spoiler designed for our Vettes w/ wind tunnel scoops up air for cooling, cleans up airflow underneath & sweeps the airflow around the front tires. I got one from the Chevy dealer asap.
Burning Brakes
Joined: Feb 2011
Posts: 849
Likes: 0
From: Woodland California
Here is a reply I just recieved from Willcox.
That is the 1978 pace car style spoiler. It is durable, and I'm pretty sure the only mod is drilling a hole in each fender. As far as down force, whether you get this spoiler or not a c3 corvette gets very light in the front end after about 110. There's really no way around it unless you totally modified it, dropped the front end and fabricated your own spoiler. And even then it's still a guessing game without the proper R&D.
Tommy
Si is there a good functional spoiler out there?
I'm looking at Eckler's spoilers right now.
Ralph
That is the 1978 pace car style spoiler. It is durable, and I'm pretty sure the only mod is drilling a hole in each fender. As far as down force, whether you get this spoiler or not a c3 corvette gets very light in the front end after about 110. There's really no way around it unless you totally modified it, dropped the front end and fabricated your own spoiler. And even then it's still a guessing game without the proper R&D.
Tommy
Si is there a good functional spoiler out there?
I'm looking at Eckler's spoilers right now.
Ralph
Melting Slicks
Joined: Jul 2006
Posts: 2,373
Likes: 6
From: Baltimore MD
Burning Brakes
Joined: Feb 2011
Posts: 849
Likes: 0
From: Woodland California
Ralph
Drifting
Joined: Nov 2007
Posts: 1,716
Likes: 280
From: New York
Originally Posted by cottoneg
http://www.fgreggracing.com/ used to have a nice front spoiler.
Anyone pick up on his mold?
I think he went out of buisness. I thought for sure someone would have picked up the mold. Maybe the demand isn't there.
http://www.fgreggracing.com/ used to have a nice front spoiler.
Anyone pick up on his mold?
I think he went out of buisness. I thought for sure someone would have picked up the mold. Maybe the demand isn't there.
Melting Slicks
Joined: Jun 2005
Posts: 2,239
Likes: 74
From: Palatine, Peoples Republic of Illinois
St. Jude Donor '09-'10-'11-12-'13-'14-'15-'16-'17-‘18
NCM Sinkhole Donor
Burning Brakes
Joined: Feb 2011
Posts: 849
Likes: 0
From: Woodland California
I read somewhere that F Gregg's molds were stolen years ago so they stopped production. What do you think of this one: http://www.ecklerscorvette.com/corve...1968-1972.html ?
" I had issues I purchased "XYZ" and the front feels fine at 140 now."
I'm looking at, http://www.ecklerscorvette.com/corve...1973-1979.html
But won't buy until I hear good things about it.
I asked Willcox and they said I needed to do R&D to get a good spoiler.
Ralph
Drifting
Joined: Aug 2010
Posts: 1,839
Likes: 45
From: nassau co. new york
i have the ecklers 10289 on my car and before i knew any better i thought it came from the factory like that.it has the squared off edges and has proven to be quite tough for the 12 or so years it's been there.i tested it myself on a curb and it came through ok.the fit is near perfect and i can't imagine one that would fit better.i do not work for ecklers.