The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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PostPosted: Fri Jul 06, 2018 8:20 am 
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For the amount of money that they cost I would want them correct for the car.

The problem is that pistons and suction chambers are matched to each other so fitting a used set will ruin a brand new set of carbs.

I have a used set that I am about to refurbish, red jets, new bushes etc... I was going to sell them when they are done but I could do them for you.


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PostPosted: Fri Jul 06, 2018 9:42 am 
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Personally I would ask for a refund, sprints had the shorter dash pot necks, also I would have done away with the waxtat jets and opted for the earlier type jet , if they are to be correct with the waxtats they should have the poppet valves on the butterfly discs.
Many thanks, they will go back, my carbs are around 90% of what new would be, only need bushing, waxstats already replaced.

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NRW 581W Sprint


On the motorway no one can hear me sing!
Construed as a public service, self preservation in reality.


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PostPosted: Fri Jul 06, 2018 9:46 am 
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For the amount of money that they cost I would want them correct for the car.

The problem is that pistons and suction chambers are matched to each other so fitting a used set will ruin a brand new set of carbs.

I have a used set that I am about to refurbish, red jets, new bushes etc... I was going to sell them when they are done but I could do them for you.
Many thanks James, but my carbs are not too bad, and the red jets are in, only need bushing really.

May see if Burlens will sell me only the bodies after returning them, all I have to do is transplant the rest over.

I do fancy doing the Jenveys efi job, but that will probably have to wait till next year.

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NRW 581W Sprint


On the motorway no one can hear me sing!
Construed as a public service, self preservation in reality.


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PostPosted: Fri Jul 06, 2018 9:55 am 
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Many thanks James, but my carbs are not too bad, and the red jets are in, only need bushing really.
Get a bush and spindle kit and send me your carbs and I'll rebush them for you.

I have the tools to do this now. Andy will vouch for my work, I just did his HS4s!


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PostPosted: Fri Jul 06, 2018 10:01 am 
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Back to the spoiler,

The end fittings are shot, so I fitted a couple of cavity anchors (M5 x 37) with a setting tool, but bent
back (pliers) the anti-rotation wings first, so as not to puncture in new holes.

Reason for using these instead of adhesives is, the rim of the spoiler is cracking, and is quite flexible,
another reason for not using a flanged rivet nut.

Now the holding strength is spread over a wider area inside,
a bit of grease on the threads and removal should not be too bad.

Whoever fixed this last time only succeeded in making a bolt/glue stalactitie.


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NRW 581W Sprint


On the motorway no one can hear me sing!
Construed as a public service, self preservation in reality.


Last edited by Mahesh on Fri Jul 06, 2018 10:18 am, edited 3 times in total.
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PostPosted: Fri Jul 06, 2018 10:04 am 
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Many thanks James, but my carbs are not too bad, and the red jets are in, only need bushing really.
Get a bush and spindle kit and send me your carbs and I'll rebush them for you.

I have the tools to do this now. Andy will vouch for my work, I just did his HS4s!
Thanks and will do, I have my original carbs which are in better nick than whats in the car now, but the bushing is all they need,
send me a pm with details and costings.

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NRW 581W Sprint


On the motorway no one can hear me sing!
Construed as a public service, self preservation in reality.


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PostPosted: Sat Jul 07, 2018 8:35 am 
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Spoiler and bumper finally back on,

The before shot was done during the snow, it had all got a bit more flakey recently,
it's not perfect, but a lot better than before :lol:


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NRW 581W Sprint


On the motorway no one can hear me sing!
Construed as a public service, self preservation in reality.
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PostPosted: Sat Jul 07, 2018 8:35 am 
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Looking good!

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PostPosted: Sat Jul 07, 2018 10:08 am 
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Location: NANTWICH.
Now that is what you call "before and after" :D

Tony.

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PostPosted: Sat Jul 07, 2018 2:24 pm 
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Your spoiler looks fantastic! 8) Top work.

When I did mine, I didn't paint it..it still looks good many years later.


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PostPosted: Mon Jul 09, 2018 12:04 pm 
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Had a breakdown yesterday.

Came out of Blackwall tunnel and about ½ mile later the car started to lose revs then came to a stop at a set of lights.

Felt like lack of fuel, luckily the Sprint is not hard to push into a side street, and opening the bonnet showed no fuel in the fuel filter, however there was so much heat under the bonnet I checked this first by putting my hand on the ign coil which was very hot to the touch, same for the carb dashpots, same again for the float chambers, and again for the dizzy which on the Bluetooth app showed dizzy temp at 75 degrees centigrade.

All of this heat was very distracting/disturbing, both under the bonnet and from sun overhead, thoughts of fuel vaporisation came to mind, along with melted circuit boards in the 123 dizzy, or warping dashpots.

Unfortunately for me, there were no tools in the boot, it was emptied before going out, just to see if there are any rear end noises, only had a multi end screwdriver, never shall I ever go anywhere without some tools !

However, adamant due to the manner of stopping that fuel starvation was the problem, float chambers empty, fuel filter empty, cranking engine made no difference. Took all the hoses off and checked for blockages, checked float chamber valve movement with blow test, and even done three long drags on the overflow pipe for no reason, which left me very light headed.

Upon cranking engine some fuel entered the filter, but not much, then undone the pipe on the fuel pump, and noticed the fuel pump filter cap was a bit loose, and that the inlet and outlet pipes had come very close together. Pushed the two apart, engine fired within seconds.

Carefully drove home as I could not tighten the nut on the top, and all seemed well.

The problem is I cannot replicate the fault no matter where I position the inlet/outlet, for now leaving apart in the position that fired up is sufficient, until I get out for a good high rev thrash.

Also whilst checking all fuel lines are secure, I investigated the heat problem, the electric fan is throwing out all the excess heat in the bay.

With the bonnet open and the car warming up from cold, the front carb and float chamber are hot to touch, the rears are cold, the heat from the radiator is being directed onto the carbs and I would not lose a wager when I say, with the bonnet closed the heat is travelling right up to the ign coil at the bulkhead, the (Spal) fan is too efficient at moving air.

Need to urgently make up a shield (aluminium) to bolt onto the front of the engine where the old fan pulley was, and sticking out over the front of the float chamber and top of the alternator.

Never had this sort of problem with the old std fan, has anyone else experienced this, or could check on their car for me.

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NRW 581W Sprint


On the motorway no one can hear me sing!
Construed as a public service, self preservation in reality.


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PostPosted: Mon Jul 09, 2018 12:25 pm 
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Louvres! Steve said they are cool....

They are cool! 8)

I'm putting some on! :lol:


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PostPosted: Mon Jul 09, 2018 12:37 pm 
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Louvres! Steve said they are cool....

They are cool! 8)

I'm putting some on! :lol:
I have a spare bonnet with louvres, but in mimosa yellow.

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NRW 581W Sprint


On the motorway no one can hear me sing!
Construed as a public service, self preservation in reality.


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PostPosted: Mon Jul 09, 2018 12:38 pm 
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Louvres! Steve said they are cool....

They are cool! 8)

I'm putting some on! :lol:
I have a spare bonnet with louvres, but in mimosa yellow.
No one will notice the colour difference, they'll be too busy thinking about how cool you are! 8) :lol:


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PostPosted: Mon Jul 09, 2018 12:48 pm 
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Location: Halifax, West Yorkshire
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Quote:
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Louvres! Steve said they are cool....
They are cool! 8)
I'm putting some on! :lol:
I have a spare bonnet with louvres, but in mimosa yellow.
No one will notice the colour difference, they'll be too busy thinking about how cool you are! 8) :lol:
And how COOL your engine bay is.... in both senses of the word. :wink:

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