JowettTalk

I second that.

Keith,
Thanks for the very interesting vicarious travelogue.

Chad, Where are you located? I am in Detroit. . .

Hello Nick, I guess that I am in partial agreement with you that in an ideal arrangement an O-ring would be supported on both sides of a groove, but I think that its use in our gasket support plate is quite acceptable if the initial crush on the O-ring is observed. After all, in our situation, the p...

How bad is the problem, i.e. how down on power is it? When I got my first Javelin in 1965, at some point I checked the plugs for some forgotten reason and inadvertently put the plug leads back on the wrong plugs because I assumed that the distributer rotated clockwise. It does not, and so I ran arou...

To go along with the previous post, I have done a better drawing of the Bradford CC valve spring compressor:

No I don't; sorry.

David, I think that you are referencing this tool? I have one and got the dimensions from it.

I would agree that the copper pick-up tube failure was likely due to work hardening as a result of vibration. This pipe needs to be steel. The pick-up strainer should have a turned down lip at the far end so that it ensures that the strainer is not restricted by the sump floor. Back in circa 1973 la...

As a matter of interest, what body does your Trojan have; is it a van or an open 4-seater. I assume it is a van since it is a utility. I have a couple of friends who run Trojans regularly. I have driven them on occasion.

Super exciting stuff!! Was the crank bearing bore really 1 centimeter low? That is huge. How did you overcome that? The timing chain would not fit for a start. Did you mean 1 mm low?. I like the relieved skirt pistons with graphite coated thrust faces; that alone should be worth a couple of horsepow...

Mike: Ben related that story 50 years ago now over a pint of beer. I think that perhaps it was the shim that split in his case.

Keith, that radius between the side of the web and the journal is supposed to be 0.1" minimum [i.e. 100 thou. or 2.54 mm]. That is the value that Charles Grandfield came back with from discussing crank failures with the stress experts at De Havilland, and it is a pretty standard industry value....

I have to say that the oval web crankshaft does not look like it is intended for a racing motor (which of course it never originally was). It looks like there is a lot of extra material on it that could be eliminated without detracting from its strength. As it is, it will have relatively high inerti...

Well done to all involved! Jowetts Rule!