DaveFJ
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| posted on 18/5/08 at 01:28 PM |
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Near disaster on first drive
Took the Avon out for it's first proper, fully road legal drive today..... all went well to start with, ran a bit poorly but the brakes have
decided to start working and ity didn't overheat....
finally after abot 30 miles we were in town about a mile from home when the engine made an odd noise and seemed to start running on 3 cylinders....
pulled over and looked under bonnet but couldn't see anything obvious..
tried to drive home and kept dying.. about half way back saw smoke from the bonnet!
stopped and took off bonnet to find the throttle bodies had fallen off and we had a small engine fire
typically I had forgotten the fire extinguisher but actually managed to blow the flames out!
apart from some melted convoluted tubing there doesn't seem to be any real damage and i had a screwdriver with me so I re-attached the TBs and
managed to drive home....
Now I need to look again at how the TBs are mounted (coolant hose and jubilee clips) and work out something better
lucky really - it could have been much worse
[Edited on 18-5-08 by DaveFJ]
Dave
"In Support of Help the Heroes" - Always
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BenB
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| posted on 18/5/08 at 01:32 PM |
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Ouch! Lucky escape. Even if you did have the fire extinguisher on you I doubt the engine would have like having tons of extinsguisher powder shoved
down the inlet (unless you've got a fancy CO2 one!!!)...
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adithorp
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| posted on 18/5/08 at 01:41 PM |
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Thets why mechanics all used to wear hats. Gave them somthing to drop over a burning carb!
No long term damage done. Watch out using cooling hose to attach as it might not be fuel proof.
adrian
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Rudy
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| posted on 18/5/08 at 03:01 PM |
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..... so you had fun , a very exciting trip 
Sorry about my English
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soggy 3
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| posted on 18/5/08 at 03:03 PM |
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Bloody hell that was close dave
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triumphdave
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| posted on 18/5/08 at 03:58 PM |
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I had a similar problem but with bike carbs and no fire,but they fell of a few times.I ended up making a bracket to support there weight,so the hose
just joins them to the manifold.
[img]http://www.locostbuilders.co.uk/ [/img]
[Edited on 18/5/08 by triumphdave]
If you always do what you have always done you will always get what you have always got
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speedyxjs
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| posted on 18/5/08 at 04:03 PM |
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Very close
How long can i resist the temptation to drop a V8 in?
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RichardK
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| posted on 18/5/08 at 04:13 PM |
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Phew, close call m8, glad things aren't too bad though, wouldn't recommend coolent hose for TB's or carbs as the walls aren't
strong enough to cope with the vacuum that is created which is why they probably came off as the were getting squeezed by the vac. Try and get some
off a bike.
2 pence well deposited!
Cheers
Rich
Gallery updated 11/01/2011
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02GF74
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| posted on 18/5/08 at 04:19 PM |
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quote:
Originally posted by DaveFJ
tried to drive home and kept dying.. about half way back saw smoke from the bonnet!
stopped and took off bonnet to find the throttle bodies had fallen off and we had a small engine fire
you must never remove or open bonnet when there is a fire in engine bay as you allo air = oxygen to hep the fire burn even more!!!
anyways, a lucky escape.
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roadrunner
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| posted on 18/5/08 at 05:07 PM |
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I used to have the same problem with mine, back when i used to have a boat anchor, i fitted some bike brake cable bolted on both ends then bolted to
the rocker cover, worked well for me.
 
zx9 carbs ties
[Edited on 18/5/08 by roadrunner]
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Mr Whippy
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| posted on 18/5/08 at 05:46 PM |
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if you have a look at a late model volvo straight 5-6 cylinder injection engine, they have short hoses between the manifold and the cylinder head that
might be what your after, their held on by jubilee clips either end. Just a thought...
Fame is when your old car is plastered all over the internet
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Volvorsport
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| posted on 18/5/08 at 06:12 PM |
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only the NA 6 cylinders !
there 50 mm ID
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DaveFJ
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| posted on 18/5/08 at 06:25 PM |
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The coolant hose is very heavy gauge and was recomended by walker rubber... the hose wall is about 7mm thick - and it is fuel proof!
the problem is the flange on the end of the gsxr TBs is very short so it is hard to get a decent purchase for the clamps....
I have now refitted them properly and replaced the melted convoluted tubing.... no loom damage thankfully....
I have also added a coule of brackets and used locking wire to effectively pull the throttle bodies towards the head. they seem pretty solid
now..
just been out for a test drive and it's driving like did this morning now - maybe even a touch better!
Dave
"In Support of Help the Heroes" - Always
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jacko
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| posted on 18/5/08 at 07:19 PM |
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I super glue the rubber pipe the my carbs let it set then use narrow jubilee clips
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austin man
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| posted on 18/5/08 at 08:21 PM |
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T
The manifold you are using have the trumpets had a groove machined into them ? this will allow the hose to become more secure as it will bite into the
groove.
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Dingz
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| posted on 18/5/08 at 09:23 PM |
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Coolant hose is usually made from EPDM rubber and is definately not fuel resistant!
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DaveFJ
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| posted on 18/5/08 at 10:20 PM |
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quote:
Originally posted by Dingz
Coolant hose is usually made from EPDM rubber and is definately not fuel resistant!
As I said - I went to Walker rubber - who are specialists and manufacture their own tubing of all kinds... they recommended this for the job....
assured me it was fuel resistant...
cheers
Dave
"In Support of Help the Heroes" - Always
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