Thread: Twice my age, crosseyed and can't hold her fluids in but ain't she sweet

Thanks Pete, Charlie,
Why didn't I think of the Live Steamer blokes? I work in a hobby shop and read their mags afterall! Gas fitters are probably easier to find locally though.
Good point about annealing the copper, steel is preferable for this reason I suppose and part of the reason that copper brake piping isn't allowed.

To this end, silver soldering a short section of brass tube to fix the break wouldn't be advisable would it? It'd be a localised stress point that'll cause problems further down the road I suppose.

I can't see any problem with silver-soldering the broken one,

Cheers Charlie

Running like a swiss watch today

Solex carby needs rebushing on the throttle spindle, it weeps a little bit.
The main jet had some crud in it, so cleared all three jets to be sure.
I would like to acquire a second Solex that I can rebuild as a spare.

Timing needs a check, just found my Dad's old school neon timing light so will give that a whirl sometime.

There oil feed pipe between head and block leaks, its missing the upper copper washer. Need to source one.

Oil is dripping onto the manifold somewhere.

Repaired vacuum pipe works a treat, short bit of brass tube, yorkshire flux, soft soldered. Forgot to flush it though

Air to go in tyres check/replace all fluids.


Neighbours must love me, they were hanging their clothes out to dry downwind of where I was starting and tuning the thing.

Tomorrow will attack the dreaded electrics and have a squiz at the County fearbox.

The speedo is in MPH, will it matter if I use oversize (7.50R16) tyres and have an incorrect speedo, considering I wouldn't have the foggiest idea of what my speed will be anyway? (have to get a cigarette lighter socket for the GPS speedo

Originally Posted by isuzutoo-eh

Running like a swiss watch today

Of course, having said that, I can't get rod of a miss. Idle is fine, fairly quiet and smooth.
Put the throttle down and it picks up alright, for maybe 5 seconds usually until I put load on it, then one cylinder starts missing. I've rechecked tappets, cleaned and gapped the spark plugs. The plugs were all sooty from running rich. All four are getting spark as otherwise it would miss at all throttle openings.

Any advice?

When it isn't missing, its like a sewing machine

Originally Posted by isuzutoo-eh

Of course, having said that, I can't get rod of a miss. Idle is fine, fairly quiet and smooth.
Put the throttle down and it picks up alright, for maybe 5 seconds usually until I put load on it, then one cylinder starts missing. I've rechecked tappets, cleaned and gapped the spark plugs. The plugs were all sooty from running rich. All four are getting spark as otherwise it would miss at all throttle openings.

Any advice?

When it isn't missing, its like a sewing machine

Check -
Condition of HT leads
Distributor cap tracking
Compression leak, possibly sticking valve
Leak between intake manifold and head
Sick coil, points or condenser
Leaky throttle spindle

Roughly in that order.

The miss under load is more likely to be an ignition problem, as the charge is harder to ignite under load.

John

Thanks for those pointers John, I will work through them.

I do know that the throttle spindle leaks. I didn't think that'd cause just one cylinder to miss though?

Originally Posted by isuzutoo-eh

Thanks for those pointers John, I will work through them.

I do know that the throttle spindle leaks. I didn't think that'd cause just one cylinder to miss though?

No, not likely - but are you sure it is the same one missing?. If it is, it has to be something that affects one cylinder in particular. This means either a compression leak, an air leak at that port on the intake manifold, or, most likely, an ignition fault. This is most likely a HT lead, but could be a cracked or tracking distributor cap, or a loose top bearing in the distributor that gives a short points opening for that cylinder (unlikely).

Unless almost new, I would be inclined to replace all the distributor leads - they are not that expensive!

John

Originally Posted by isuzutoo-eh

The plugs were all sooty from running rich. All four are getting spark as otherwise it would miss at all throttle openings.

Any advice?

When it isn't missing, its like a sewing machine

The plugs may have been sooty from the engine running cold. Were they sooty after a run with the engine at operating temperature?

I agree with John; spark plugs can work well at idle but play up at faster speeds as the gas pressure increases in the cylinder. Replace the plugs with something decent such as NGK, if you haven't already, and then work your way backwards towards the distributor and coil if the symptoms persist,

Cheers Charlie