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WACR 11-08-2007 02:49 AM

Fuel Line Fixings
 
Hi,

Can anyone offer advice on fixing the fuel lines to the underside of the body in the transmission tunnel ? I had planned to use Nutserts (6mm with P clips) which seem to be widely used by many, and are so handy when working solo, but I assume the end of the nutsert and screw will be protruding into the cockpit side of the tunnel. Is this not a problem when covered with carpet?
Am sure someone has come across this before.

Cheers

Aussie Mike 11-08-2007 04:16 AM

Unfortunately this is just one of those jobs where you have to get your wife to crawl under the car with a screw driver. :p

Cheers

WACR 11-08-2007 04:57 AM

Thanks Mike,

Thought that may be the answer, I will have to pick the right moment and ask my wife who is six months pregnant to slide under the car, I will even offer to jack the car up higher to give her some room to move.
A good weekend job.

Cheers

Aussie Mike 11-08-2007 05:49 AM

I made a few billet aluminium clamps to hold my fuel lines in place. I used nutserts into the tunnel but I installed them from the underside so they fit flush under the carpet. The billet clamps have a recess in the back to slip over the nutsert. Making them this way was just too much work so I did the rest with rubber lined P clips.

Attaching them before droping the body on was certainly easier. My wife didn't complain to much as I had the body on it's side while we worked.

http://www.clubcobra.com/photopost/d...el_lines_1.jpg

Use countersunk head cap screws and countersink all the holes from the cabin side. That way they will be flush under the carpet.

Cheers

WACR 11-08-2007 03:57 PM

Thanks Mike, the countersunk screws should do the trick.

*Cobber* 11-08-2007 04:39 PM

Use these Hydraulic pipe clamps with m6 nutserts from the other side.

http://www.stauff.com/index.php?id=37&L=1

Most Hydraulic supplies will have them about $5 ea.

boxhead 11-08-2007 05:16 PM

I have fitted mine using the P clamps, I used button head allen key bolts with locnuts on the underside.
The button heads are very small in the cabin so I dont think they will be seen through the carpet.

sambo 11-08-2007 10:14 PM

It seems the CR kits have fibreglass tunnels...? I'm just tek-screwing my lines into the tunnel chassis rails using P-clips.

400TT 11-09-2007 12:48 AM

Quote:

Originally Posted by sambo
It seems the CR kits have fibreglass tunnels...? I'm just tek-screwing my lines into the tunnel chassis rails using P-clips.

Yes, that's how you do it on a Harrison or DRB. Screws & P-Clips.

A lot of removable body Cobra's have fibreglass tunnels, well basically the whole cockpit tub is fibreglass. Robnell's are an example of a removable body and a metal lined tunnel.

Rob. Smith 11-09-2007 04:46 AM

I'm not really happy with pipework attached to fibreglass bodywork. Also I noticed aluminium brackets holding aluminium ? pipework. Whatever, metal to metal is not good. I've used rubber lined P-clamps for fuel lines and power cables plus plastic clamps for the brakelines all attached to the chassis. All are drilled and tapped. NO self tappers or tec screws. (these tend to be "once only" use and if they need to be removed there can be a problem replacing them)
Fussy bastard ,Smithy


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