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During the restoration of my TR3A I found that there was a lot of wear in the throttle linkage at the bell crank mounted on the manifold. My parts kit car came with 2 bell crank link assemblies both worn.
I ordered both the bell crank and pivot for the bell crank from one of the normal parts houses. When it arrived there were several issues with it.
First the holes where the link rod assemblies screw in were not threaded. They were just pilot holes.
Second the bell crank has unequal legs so if the boss is welded on the wrong side the bell crank does not fit.
Third the pivot was not for a TR3A, Maybe for a TR2 but not the TR3A
When I contacted the supplier I was told the holes are done that way so you can thread to suit your application. When I asked about the other problems I was told that they were always like that.
So I managed to make a workable unit from my 2 assemblies and a washer to take up some slop.
I have now got a 3 in 1 Lathe/Mill/Drill so I made my own Bell crank and pivot. I had thought about adding an oilite bush to make it last longer.
Going to put it on the car next week.
David
I ordered both the bell crank and pivot for the bell crank from one of the normal parts houses. When it arrived there were several issues with it.
First the holes where the link rod assemblies screw in were not threaded. They were just pilot holes.
Second the bell crank has unequal legs so if the boss is welded on the wrong side the bell crank does not fit.
Third the pivot was not for a TR3A, Maybe for a TR2 but not the TR3A
When I contacted the supplier I was told the holes are done that way so you can thread to suit your application. When I asked about the other problems I was told that they were always like that.
So I managed to make a workable unit from my 2 assemblies and a washer to take up some slop.
I have now got a 3 in 1 Lathe/Mill/Drill so I made my own Bell crank and pivot. I had thought about adding an oilite bush to make it last longer.
Going to put it on the car next week.
David
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