Hi David. I have had my 403 since 1999 and I had an overdrive fitted in 2002. Can't help with a direct answer to your question until I next take the car out but, if it is any help, in overdrive the rev. counter reads 2400 approx. at 70 m.p.h. Fitting the Laycock 'J' Type O/D was the best thing thing I have ever done - it transformed the car. I also take my car abroad a lot. Went to Prague (from London) last year and needed to use fast roads there and back. Would have been miserable without the O/D. Have covered 100000 miles as of this summer and wouldn't have been such a joy without the O/D.
If you get the car, and are within striking distance of London, you are very welcome to come out in my 403. Good luck.
Dave Dale.
Quote:
Originally Posted by David.H
What mph/1000 would I expect on a non o/d 403 (1953). I'm investigating one (LOY555. Anyone know it? It has not much history, the seller has bought a 400 apparently). I'm looking for a car to use & I take my present cars overseas quite often & a good cruising speed is essential. Also what is the 100A engine like on modern fuels...does it suffer from overheating/ vaporisation?
DGH
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