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 2Likes
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1
Post By gjkrv8
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1
Post By CHANMADD
09-21-2007, 07:42 PM
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CC Member
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Join Date: Jun 2006
Location: Pattaya,
Posts: 479
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Not Ranked
Side Vent Attachment
Hello
What do you use to bond the steel brackets (holding the Stainless Side Vents) to the fiberglass body.
Thanks
Bruce
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09-21-2007, 07:52 PM
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CC Member
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Join Date: Jan 2004
Location: Queanbeyan,
NSW
Cobra Make, Engine: AP 289 USRRC #98 The Ken Miles Tribute Car
Posts: 1,134
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Not Ranked
Hi Bruce
I used Sikaflex which is a silicone adheasive available at Bunnings.
Cheers
Brett
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09-21-2007, 09:22 PM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,445
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I used body putty to bond a piece of 1" angle alum below opening. I rivited another piece of angle alum to the top of the vent itself. Then I glued velcro to the matching surfaces. The velcro holds the vent in place even on the track.
It's nice to be able to remove them when needed. Makes for easier access for everything in that area.
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03-20-2013, 08:25 PM
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CC Member
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Join Date: Jan 2007
Location: Melbourne,
VIC
Cobra Make, Engine: Harrison, 6.0L Chev
Posts: 2,513
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Raising the dead here... Bruce how did you end up fixing your side vents?
Sikaflex was also suggested to me but I want to be able to remove them a little more easily. Great suggestion from bobcowan, thanks!
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"A spectacularly fast car in a grand if dated tradition."
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03-20-2013, 08:42 PM
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CC Member
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Join Date: Jan 2004
Location: Queanbeyan,
NSW
Cobra Make, Engine: AP 289 USRRC #98 The Ken Miles Tribute Car
Posts: 1,134
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I only used Sikaflex to bond the aluminium angle to the body. The vents are held in by 4 small hex bolts on each.
Cheers
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289 FIA Cobras RULE! 
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03-20-2013, 09:09 PM
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CC Member
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Join Date: Jan 2007
Location: Melbourne,
VIC
Cobra Make, Engine: Harrison, 6.0L Chev
Posts: 2,513
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Yeah I reckon that's the way to go BJ. Good little project for the weekend.
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"A spectacularly fast car in a grand if dated tradition."
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03-20-2013, 09:21 PM
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CC Member
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Join Date: Apr 2008
Location: Melbourne,
VIC
Cobra Make, Engine: Classic Revival CR 3505, LS1, T56 6 Speed, VE 3.45 LSD Rear, 6 Spot AP Fronts, 4 Spot Wilwood Rears
Posts: 1,121
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Quote:
Originally Posted by BJ's Snake
I only used Sikaflex to bond the aluminium angle to the body. The vents are held in by 4 small hex bolts on each.
Cheers
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Same here. I even put nutserts on the alum brackets to make it easier to screw/unscrew. Works a treat.
Cheers Gregg |
03-20-2013, 10:45 PM
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CC Member
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Join Date: Jul 2004
Cobra Make, Engine: 347 Stroker Morrison Injection. Registered.
Posts: 1,440
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I used the same method as BJ. I Sikaflexed aluminum angles to the fiberglass body then a couple of spots of silicone to secure the vents to the angles. Worked a treat!
Regards.
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Mando
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03-20-2013, 11:11 PM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,601
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The fender badges that I have, have fairly long studs welded to the back ( they came like that) requiring holes to be drilled to mount them. Some inner tube rubber cut to fit behind the badge and on the inside between the vents and the body with holes drilled in the top flange of the vents so the badge holds the top and some double sided tape on the bottom......been there for 24 years with no problems ......I have removed them once for a re paint........very easy .....
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03-21-2013, 04:56 AM
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CC Member
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Join Date: Sep 2010
Location: redcliffe,
qld
Cobra Make, Engine: venom motorsports /ls1 auto
Posts: 500
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macloft
sorry to hijack your thead but how has every one cut out there bodies to fit the vent
as im a chippy i was going to use a router to remove most of the fibra glass then file finish to shape any real answers would help please
rob
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03-21-2013, 05:01 AM
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Join Date: Jan 2007
Location: Melbourne,
VIC
Cobra Make, Engine: Harrison, 6.0L Chev
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The vents I have are slightly bigger than the opening in the body so the only finishing is to even up the lip so there's a flat surface for the vanes to butt up against. If that makes sense?
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"A spectacularly fast car in a grand if dated tradition."
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03-21-2013, 05:44 AM
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CC Member
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Join Date: Nov 2009
Location: Cheltenham,
Vic
Cobra Make, Engine: Classic Revival CR3516, LS3, Aussie Mike'd T-56, 3.70 LSD, AP brakes, Penske shocks
Posts: 1,616
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Same as Sambo, on the CR the body is already open out of the mould, the vents are slightly bigger so just needs a clean-up on the edges of the fibreglass.
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Ben in AU
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03-21-2013, 02:22 PM
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CC Member
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Join Date: Jan 2007
Location: Melbourne,
VIC
Cobra Make, Engine: Harrison, 6.0L Chev
Posts: 2,513
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Is there a particular type (number) of sikaflex for bonding fibreglass to aluminium and do we need to use the sikaflex primer?
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"A spectacularly fast car in a grand if dated tradition."
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03-21-2013, 03:15 PM
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CC Member
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Join Date: Jan 2004
Location: Queanbeyan,
NSW
Cobra Make, Engine: AP 289 USRRC #98 The Ken Miles Tribute Car
Posts: 1,134
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Sambo
From memory there is a sealant and a adhesive, use the adhesive and all I done was clean surfaces with oil and grease remover. 7 years, haven't moved.
Cheers
BJ
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289 FIA Cobras RULE!
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03-22-2013, 02:01 PM
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Join Date: Jun 2006
Location: Palm Beach,
QLD
Cobra Make, Engine: Harrisons # 62 302 T5
Posts: 474
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Paul
Sikaflex 11FC is the goods for adhering.
Geof
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