We have lately had several Vitesse mark 2s all in at the same
time, with, at one stage, four of these – all saloons with sun
roofs – don’t think that’s ever happened before!
We have carried out head work and suspension work on a couple of
these. One had a nasty misfire and was down on power with no. 1
cylinder doing practically nothing. This turned out to be a crack in
the cylinder head, which Colorado would have been proud of,
necessitating another cylinder head to be acquired so that an
unleaded cylinder head conversion could be carried out, with smaller
exhaust and larger inlet flow profiled valves, and a bit of blending
of throats into ports. We then added an extractor manifold, sports
exhaust system and carried out repairs and upgrades to the
carburation and ignition systems. All of this helps to make the
engine breathe more easily, releasing a bit more power in the middle
ranges and helping it to rev out more cleanly at the top end.
The other one was a much more conventional unleaded head
conversion, with new valve guides and standard sized valves. We have
also added Suspension work has been mainly overhauling tired rotoflex
driveshafts, fitting adjustable, telescopic dampers, Superflex
urethane bushes and new ride and height adjustable dampers at the
front with upgraded springs. Getting all this lot set up then allows
safe use of the extra power made available by all the engine work.
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