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Topic: True Flex Bumpers

in Forum: C3 Body

True Flex Bumpers

Posted: 5/11/08 7:14am Message 1 of 20
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HOWELL, NJ - USA
Joined: 5/18/2004
Posts: 6812
Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
Hi team,
 
    I know there are various posts on this subject, but would like to hear in terms of fit for a rear bumper. I just bought a true flex from Willcox Corvette (and yes - he had the best deal). It looks beautiful but when I bolt it up, the sides are out of whack with the quarterpanels any where from 1/8" in to 3/8" out.Ouch
 
DaveM was by yesterday and we messed around with this thing for a couple of hours with nearly no improvement. We elongated the bolt holes and the corner flex points. Really no difference.Dead
 
Question is - how close should these be to a "bolt on" application? And if not, what's the most difference I should try to fill to level the sides of this sucker out? I'm having a hard time swallowing how much I laid out for this piece just to have to do body work to get it to match....Angry And I'm totally new to working with glass so veeeery apprehensiveUnhappy
 
Thanks
 
Paul



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True Flex Bumpers

Posted: 5/11/08 3:44pm Message 2 of 20
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Belvidere, IL - USA
Joined: 10/24/2004
Posts: 438
Vette(s): 1977 Black T-Top ZZ4 5Sp 16in Wheels
Hi Paul, bought True Flex front bumber back in Feb. or March. Had it sent to body shop that did car. He called and said it doesn't come close to fitting. Called Corvette Central to let them know, was passed on to two different people. Told they would contact manufacture and get back to me and the body shop. Never heard a word from them. Body shop said it had tobuild driver side out 3/8 on top and 1/4 on side, to make it look right. Cost went from 400.00 to 800.00. It looks great and had to have it for H/S. Good Luck Dick


True Flex Bumpers

Posted: 5/11/08 8:00pm Message 3 of 20
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Waterford, MI - USA
Joined: 9/13/2002
Posts: 1749
Vette(s): 1973 Red coupe
From what I have learned there is no way to tell how good/bad the fit is going to be with fiberglass aftermarket parts. I have a friend that makes parts for Vipers. His setup is not very good and he sees a lot of variation in the way the parts fit because the shrinkage of the material is all over the place. Most aftermarket parts are not made to the standards of the factory and they don't care. They just expect you to have a bodyshop fix it for you. I got lucky with my front bumper. I was able to get it to fit with just a little bit of grinding.
Good luck with your project.



Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, Seatbelt Plus 3point seatbelts, Pioneer CD player
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True Flex Bumpers

Posted: 5/12/08 5:44am Message 4 of 20
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Tucson, AZ - USA
Joined: 10/7/2007
Posts: 341
Vette(s): 1970 White L-46 Air Roadster, 1971 White LT1 Coupe, 1971 Red Auto Air Coupe, 383 stroker, 430 HP, 2002 Millennium Yellow Auto Coupe
A guru friend ogf mine says he would never buy tru-flex, and will always get fiberglass. If you hit something, it will crack, but you can always fix it! Also with the fiberglass one, you can either grind it, or add to it to get the lines right.



True Flex Bumpers

Posted: 5/12/08 5:57am Message 5 of 20
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Flanders, NJ - USA
Joined: 1/27/2004
Posts: 2553
Vette(s): 1982 Black, ZZ4, Hooker Side Pipes, 3.55 Rear, Rebuilt & upgraded 700R4, All new suspension, brakes, & new Charcoal interior.
I don't think this is what Paul wanted to hear. Does not sound good Bro.
Dave



 

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True Flex Bumpers

Posted: 5/12/08 6:04am Message 6 of 20
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Horse Cave, KY - USA
Joined: 10/22/2007
Posts: 488
Vette(s): 1968 convertible; 1980 L-82
FWIW:  It's my understanding the replacement fiberglass bumper covers (including Tru-Flex) are almost never 100% bolt up.  It is much more common to have to fit them and tweak them.    I noticed Mid-America is now running a disclaimer in their catalogue to the effect these bumper covers require a bit of work.
 
 
Smile
6880Mike2008-05-12 06:05:49


True Flex Bumpers

Posted: 5/12/08 6:44am Message 7 of 20
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HOWELL, NJ - USA
Joined: 5/18/2004
Posts: 6812
Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
Mud and sandpaper it is then!! Wacko Thanks for your thoughts everyone!! Thumbs%20Up


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True Flex Bumpers

Posted: 5/12/08 10:58am Message 8 of 20
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Vancouver, WA - USA
Joined: 11/17/2007
Posts: 830
Vette(s): 1976 Corvette Stingray L-48 Automatic Black
I know LukesVette's post is about the bumpers but I was wondering if this also applies to spoilers front or rear bolt ons? I thought maybe some day some front and rear spoilers (pace car style) would look cool and they generally come in black or could easily be painted black.Big%20smile


Aaron

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True Flex Bumpers

Posted: 5/12/08 12:55pm Message 9 of 20
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Joined: 1/27/2003
Posts: 62
Vette(s): 1974 Stingray and 2004 Six-speed Convertible
I bought a rear bumper cover from Ecklers a couple of years ago. I am ashamed to say that it is still hanging unpainted on the back of the vette, but it was a nice fit. I purchased the flex-fit bumper because I had done some fiberglas work years ago and knew that like fingerprints, no two corvette bodies are alike. I was able to get the bumper cover to fit to almost the exact set-up to the body of the car. The flex-fit allowed enough flexibility to manuver it into position. The only mud will be at the very upper corners on each side where it meets the quarters, but it will be less than 1/8". I guess the moral of my story is I don't think I would ever have gotten a full fiberglas cover to fit, but the flex-fit did  work out.


True Flex Bumpers

Posted: 5/12/08 1:37pm Message 10 of 20
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Falls Church, VA - USA
Joined: 3/22/2006
Posts: 232
Vette(s): 1975, 4 speed, L48, NOW Silver mist, Oxblood inside 2003 50th Av Torch RED little brother to 75
ALCON, hey there was a article in CF last month about mounting bumpers. Interresting article these guys just used fiberglass bonding/filler and just basically glued then clamped the thing on. Didn't even used bolts or brackets. They then finished it off seamless. I already have mine on and you guys are right takes lots of working with to get right. Thanks


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