Drilling fiberglass wings for fitting.

Bludge · Post by **Bludge** » Sun Jul 19, 2015 5:41 pm

I have just bought a set of fiberglass front wings but they have never been fitted so need drilling. it looks like they are marked where i need to drill but wondering if anyone has any advice as i REALLY dont want to trash them cause im rubbish with a drill!

Post by **Donald** » Sun Jul 19, 2015 7:00 pm

Centre punch first.

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Sun Jul 19, 2015 10:48 pm

Donald wrote:Centre punch first.

On GRP? Risk of cracking it if you whack it like that, probably better to use a scratch awl to create the initial point IMO?

As for where to drill... Take the opposite wing off and line it up side by side and that will give you the setting out front to back along the top row.

The bolt hole in the wing are oversize so you have some degree of movement to set the panel gaps (that's why there is a washer under the bolts) so you don't have to be nanometre perfect with the drilling.

Don't overtighten the bolts when fitting, or you will crush the grp (easy to do).

Post by **Donald** » Mon Jul 20, 2015 8:25 am

wurlycorner wrote:On GRP? Risk of cracking it if you whack it like that, probably better to use a scratch awl to create the initial point IMO?

Post by **NafemanNathan** » Mon Jul 20, 2015 12:11 pm

Not very clever when someone is asking for genuine advise though Donald

Bludge · Post by **Bludge** » Mon Jul 20, 2015 6:05 pm

Cheers for the advice wurly, gonna give it a go in the next couple of weeks! also i think i might have neg repped you by accident! sorry!

Post by **4thgenphil** » Mon Jul 20, 2015 6:25 pm

Careful when drilling it, wear a mask and glasses, it can be a pig to drill, only light pressure and use a decent sharp drill. I personally use dagger drills on composites.

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Mon Jul 20, 2015 7:42 pm

Lol no worries bludge.

if you have, I might even be able to fix it myself? No idea how though

Post by **Donald** » Tue Jul 21, 2015 8:20 pm

NafemanNathan wrote:Not very clever when someone is asking for genuine advise though Donald

Pretty sure he's not that stupid, would've thought someone whose car is 50% fibreglass would know better

Post by **NafemanNathan** » Tue Jul 21, 2015 8:46 pm

Donald wrote:
NafemanNathan wrote:Not very clever when someone is asking for genuine advise though Donald
Pretty sure he's not that stupid, would've thought someone whose car is 50% fibreglass would know better

Very true