> Randall,
>
> After looking at the other vacuum advance numbers in the chart, the
> advance is lower for the distributors for Lucas number 40735 and 40795.
> If one doubles the degree advance numbers for these distributors, one gets
> advance numbers in line with the rest of the distributors in the chart for
> the same vacuum. I bet that the original specs for these distributors
> were originally in camshaft degrees from what your earlier post stated.
>
> Greg Perry
============================================================================================================
When you start refering to other dist and vac. advance, lets not forget the
weights and springs are quite a bit different for each model, also piston
size makes a g difference, that has been the problem with replacement dist.
over the years, installing the original factory dist with 83 mm piston and
now you have 92 mm piston, just will not work for the best performance for
your engine, many variations to even a T/R 3 & 4, piston size is the most
vital to know. "FT"
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