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Broken Crankshaft |
Posted by: Colin Ayre45 - 11-04-2024, 06:42 PM - Forum: Forum chat...
- Replies (10)
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On my way to the VSCC Light car event in Llandrindod Wells my journey came to a sudden and noisy end, followed by recovery to home.
On stripping the engine I found a broken crankshaft but thankfully no other damage. Clearly a new crank is required, but what size should I use?
The car is a 1925 Sports and the crankcase is unique ( well I have yet to find another the same), and has at present an 1 1/8 inch crank. So, do I replace like for like, or upgrade to 1 5/16 crank, and if so why. I am interested to hear any views on the matter.
Colin
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Carburettor or ignition problems |
Posted by: Martin Nash - 10-04-2024, 02:32 PM - Forum: Forum chat...
- Replies (9)
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Hi
I am renovating an Austin Sevon with an Ulster chassis and more recent ulster replica body. The car was in poor condition however it did start and run quite nicely. It doesn’t now! Nearing the completion of the renovation the engine was replaced .The engine is fitted with a 11/4” SU carb. I did a top side overhaul , re ground valves etc. I have though had enormous problem getting the car to run properly. I set up the ignition pretty accurately I think. First I couldn’t get the car to start at all but by advancing the ignition managed to get her to run. Despite all efforts though she would not accelerate when opening the throttle I undertook various adjustments to the SU (float height, centralise jet etc) and rechecked the ignition timing. Now when you start the engine it accelerates to almost maximum revs with the throttle fully closed!!! I have found by retarding the ignition somewhat the revs will drop somewhat. What could possibly be happening? Does anyone have any ideas?
Thanks
Martin Nash
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Propshaft Bearings |
Posted by: flynbike - 05-04-2024, 05:39 PM - Forum: Forum chat...
- Replies (17)
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Hi,
I have traced the transmission vibration on my special to collapsed bearings in the prop shaft's UJs.
It is a late ruby type hardy spicer prop.
I have removed the shaft and have it on the bench but I can't for the life of me see how to remove the bearings to replace them
Not much brute force , but plenty of ignorance.
Has anyone got any suggestions please?
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