Coupe - Cracked bonnet/gel coat
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OzKen
GTM delivered
Joined: Tue Nov 09, 2021 12:01 pm
Posts: 18
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 Coupe - Cracked bonnet/gel coat Hi,
Whilst cutting a hole in my coupe bonnet for a fuel cap, the bonnet split! Damn!
Does anyone have any tips or recommendations as to how to fill the crack before a respray? Normal body filler?
Also, has anyone strengthened the bonnet with this sort of penetration??
Thanks!
Ken
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| Tue Nov 15, 2022 12:12 pm |
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Elansprint
Looking like a GTM
Joined: Sat Mar 12, 2016 7:05 pm
Posts: 217
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Re: Coupe - Cracked bonnet/gel coat Ken is it a gelcoat crack or crack right through if you post a pic it would help for people to give advice. Normal body filler on its own will be no good it will crack out again
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| Tue Nov 15, 2022 5:59 pm |
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OzKen
GTM delivered
Joined: Tue Nov 09, 2021 12:01 pm
Posts: 18
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Re: Coupe - Cracked bonnet/gel coat Hi Elansprint!
Many thanks for your reply. Hopefully these pics will show it.
It looks just like the gel coat.
Cheers
Attachments:
65A92379-3919-4032-9168-426577BBDBA3.jpeg [ 43.91 KiB | Viewed 4600 times ]
E3D56149-368D-4C32-8252-06AFA274BB87.jpeg [ 112.01 KiB | Viewed 4600 times ]
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| Wed Nov 16, 2022 8:30 am |
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gtmdriver
On the Road
Joined: Tue Oct 30, 2007 8:44 am
Posts: 632
Location: Chester le Street
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Re: Coupe - Cracked bonnet/gel coat To be safe I would add a couple of extra layers of CSM and resin underneath the crack to prevent flexing then open out the gel coat crack to about 6mm wide using a Dremel or die grinder then fill it with a fibre reinforced filler before sanding and re-finishing.
_________________
GRP rules!
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| Thu Nov 17, 2022 8:44 am |
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kano nordie
On the Road
Joined: Wed Jul 31, 2013 11:47 am
Posts: 967
Location: Kano north Nigeria
GTM: Cox/Coupe
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Re: Coupe - Cracked bonnet/gel coat Apart from the crack it does look pretty
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| Thu Nov 17, 2022 10:57 am |
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OzKen
GTM delivered
Joined: Tue Nov 09, 2021 12:01 pm
Posts: 18
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Re: Coupe - Cracked bonnet/gel coat That sounds great advice, thanks very much. I’ll get on the case? Cheers 
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| Thu Nov 17, 2022 10:58 am |
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nikvanorton
Looking like a GTM
Joined: Tue Mar 24, 2020 12:20 am
Posts: 159
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Re: Coupe - Cracked bonnet/gel coat What a lovely car - it makes me want one!
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| Thu Nov 17, 2022 12:26 pm |
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OzKen
GTM delivered
Joined: Tue Nov 09, 2021 12:01 pm
Posts: 18
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Re: Coupe - Cracked bonnet/gel coat Thanks guys! It finally got approved to drive on Australian roads and I picked up my registration plates last week! Yay! 
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| Thu Nov 17, 2022 2:46 pm |
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Elansprint
Looking like a GTM
Joined: Sat Mar 12, 2016 7:05 pm
Posts: 217
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Re: Coupe - Cracked bonnet/gel coat Ken I agree with gtm driver above couple of layers of csm on the back then grind out crack on top into a V extend 15mm past end of crack i would then use a layer of gf tissue to cover the whole ground out area so it bonds whole surface together then build up with gf then flat to profile a skim of filler is acceptable but just remember it can sink
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| Thu Nov 17, 2022 6:42 pm |
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OzKen
GTM delivered
Joined: Tue Nov 09, 2021 12:01 pm
Posts: 18
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Re: Coupe - Cracked bonnet/gel coat Thanks Elansprint! That sounds the way to go and I appreciate your advice. Hope I can nail it!! 
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| Fri Nov 18, 2022 9:44 am |
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Elansprint
Looking like a GTM
Joined: Sat Mar 12, 2016 7:05 pm
Posts: 217
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Re: Coupe - Cracked bonnet/gel coat Ken it is not difficult just messy and time consuming to build up the layers there is a book by miles Wilkins on fibreglass he is regarded as the guru in lotus circles good reading if you can find a copy
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| Sat Nov 19, 2022 5:27 pm |
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Elansprint
Looking like a GTM
Joined: Sat Mar 12, 2016 7:05 pm
Posts: 217
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Re: Coupe - Cracked bonnet/gel coat
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| Sat Nov 19, 2022 5:31 pm |
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OzKen
GTM delivered
Joined: Tue Nov 09, 2021 12:01 pm
Posts: 18
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Re: Coupe - Cracked bonnet/gel coat Hi Elansprint!
Thanks very much for that. I’ll try and get a copy.
Cheers
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| Sat Nov 26, 2022 8:44 am |
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