Morning all.


I've got a Colt, What is the normal/acceptable amount of side play in the con rod..? I've got no up/down play, but the side play is what I would call excessive..
If what I have is too much, what is it that needs replacing.?

Hi all.

Anyone got any info on removing the oil pump drive shaft from the casing, and oil pump reconditioning/ flow rate. For a Colt.?

Many thanks.

I think I've found the fault. It looks to me as if the centre of the advance unit, may have moved in relation to the outer that mounts the bob weights. As the cam location pin seems to be in a different place to images of others I have found on Google. This would put the points cam out of position, ...

So. I think I may have found the issue. I think the inner shaft of the advance unit may be separate from the mounting plate the bob weights sit on and has rotated, causing the points cam to be out of position, but the rest of the engine perfectly in time.. I have googled images of an advance unit, a...

That's next move. But even then, shouldn't the piston have fouled the valves..? As the valve timing is a direct toothed cog drive.

No. There is not enough movement in the points plate by a long way. When you set the piston in the correct position, the points cam is already half way through its 'opening' face. At this point, The opening point of the cam should be at approximately 12 o'clock. But it now sits at 9 o'clock..

I know. To be honest I'm not looking forward to what I find. I was hoping it was the location pin on the advance unit broken. Everything on the engine is as it should be. Valves, compression, electronics.. I can't remember how the drive all connects from the crank from when I rebuilt it about 5 year...

Will_curry,
I've Checked that, and it all looks good. Everything is points to something maybe further inside the engine.

Afternoon everyone. Got a lovely little problem on my 1954 colt. Out on a ride last week, and it suddenly spluttered to a stop. After much investigation, the points cam appears to be 90° out of position.. anyone got any idea on what's broken. I've had the cam off, and the advance/retard mechanism, a...