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Author Are Fibreglass bonnets good quality?
Tony
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Registered: 20th Jul 00
Location: South Africa
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27th Feb 03 at 19:25   View User's Profile U2U Member Reply With Quote

Hey guys.

Quick question. Are fibreglass bonnets of good quality? Sure they look good when sprayed and fitted, but what happens to them on the long run? Don't they start to warp and crack from the heat of the engine and high speed from outside? Any comments would be greatly appreciated!

Tony
Andy_S
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Registered: 24th Mar 02
Location: Manchester
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27th Feb 03 at 19:49   View User's Profile U2U Member Reply With Quote

Ive been told that if you are going to use anything on your bonnet, it should be as strong as steel, because it will bow and mis-shape itself.
Valleyscorsa
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Registered: 16th Jan 03
Location: Glam Uni - drives - 1.2 vegas
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27th Feb 03 at 20:21   View User's Profile U2U Member Reply With Quote

SHIT! one of my mates ad 1 on a saxo didnt last a month
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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27th Feb 03 at 22:14   View User's Profile U2U Member Reply With Quote

Fibreglass bonnets are probably pretty dangerous in a crash . A bonnet is designed to crumple in a frontal impact, avsorbing as much energy as it can in the process. Fibreglass bonnets are likely yjr shatter on a hard impact, meaning most of that energy from the crash is going to be focused on hurting you.

Dave
MattyB
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Registered: 13th Nov 01
Location: 118.5bhp :D
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27th Feb 03 at 22:53   View User's Profile U2U Member Reply With Quote

yep - i'd stay away too. Just think how much force a metal bonnet takes in an impact. Thats alot of impact that will otherwise be put directly onto the engine block -> bulkhead/sterrin etc -> cabin area -> ur legs

Just an exaggeration, but true in some respects.

Matt
Stuckey
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Registered: 5th Jun 02
Location: Plumstead, Greater London
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27th Feb 03 at 23:11   View User's Profile U2U Member Reply With Quote

the quality of a fibre glass bonnet depends on who made it, have to agree with the otheres about the safety bit tho. its true
BeArDy
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Registered: 7th Aug 00
Location: Manchester
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27th Feb 03 at 23:22   View User's Profile U2U Member Reply With Quote

just the same as having a F/G FBumper....?
Colin.S
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Registered: 19th Oct 02
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28th Feb 03 at 00:11   View User's Profile U2U Member Reply With Quote

I've had one on my car getting on for a year now with no problems.
Brett
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Registered: 16th Dec 02
Location: Manchester
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28th Feb 03 at 09:08   View Garage View User's Profile U2U Member Reply With Quote

have you had a head-on crash yet?
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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28th Feb 03 at 10:47   View User's Profile U2U Member Reply With Quote

But the front bumper is mainly cosmetic nowadays anyway, yes it will help in a hard impact but the main point is the bonnet which helps store the energy and stopping everything from reaching the cabin through the bulkhead.

Dave
Corsa_Sri_1995
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Registered: 5th Feb 03
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28th Feb 03 at 21:06   View User's Profile U2U Member Reply With Quote

Its the inner wings and cross member that are designed to take an impact, body panels have nothing to do with it!!
Put a card board bonnet on if u want it has the same safety factor as a metal one!
But Dont Crash Anyway!
Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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1st Mar 03 at 11:29   View User's Profile U2U Member Reply With Quote

i bought my bonnet from ab styling billed as a fibreglass one but is actually a metal bonnet with the vent cut in and bad boy'd layered with fibreglass. i'd reccomend that.
tical2003
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Registered: 17th Feb 03
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1st Mar 03 at 11:57   View User's Profile U2U Member Reply With Quote

tical2003
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Registered: 17th Feb 03
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1st Mar 03 at 11:58   View User's Profile U2U Member Reply With Quote

they are crap they dont fit proper!
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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1st Mar 03 at 13:10   View User's Profile U2U Member Reply With Quote

corsa sri, all the body panels are designed to crumple in an impact to absorb as much energy from the crash as it can. Of course its going to make a difference!

Dave
Paul_J
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Registered: 6th Jun 02
Location: London
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1st Mar 03 at 15:07   View User's Profile U2U Member Reply With Quote

I thought the thing to get was a carbon fibre bonnet?
STEvieXE
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Registered: 21st Jan 03
Location: Ballymena N.I.
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1st Mar 03 at 15:09   View User's Profile U2U Member Reply With Quote

how much does a carbon bonnet cost? full bonnet not a skin or anything

 
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