There's been a bit written here but I will add a bit more. Lots of Ariels have been campained on the tracks here in australia over the years and the general view is that the fast motors do not like high volume pumps. I have used a triumph derived one on my VCH for a while and would NOT recommend tha...

I have never seen a 350 with a BA gearbox. The CP is smaller in all ways so it is a bit weaker. Having said that the 500 AJS's used the CP only and in the original advert for the trials/scrambler VCH 1949, it said that the CP box was available as an option and described as "perfectly suitable&q...

It is my understanding that up to 1947 a grease was added to the BA boxes. The grease only fill, tends to harden and some parts of the box may not get well lubricated. The layshaft bushes being a critical part. The lubricant also goes into the outer case to a greater or lesser extent depending on th...

The military model based on the 1938 ISDT. 350 . It seems there were about 39.000 of these built. Do we have a separate thread/ and are there some real experts available on the model on this forum I am in Australia and not many came here. In any case the survival rate seems to be low. There was a ch...

Check you rim offset before blaming the frame. Some wheel builders don't know the original offset. Nev