HS6s? Could it be overcarburetion? I have also heard that a lack of
exhaust backpressure hurts performance at 4500+.
Or this might just be the effect of altitude. Have you driven this car at
sea level for comparison?
wcameyer had this to say:
>My '67 roadster revs fairly smoothly until about 4500 RPM, then the
>acceleration curve goes flat. It cruises OK at 80-85, but is sticky from
>there on. This happens in all gears, and is especially noticable while
>trying hard acceleration in first.
>Standard engine, I believe, with compression 100-110 in three, 90 inn the
>other. This is at 5600 ft elevation, so the figures aren't as bad as they
>seem. Little or no oil smoke. It has two HS6's, a standard exhaust without
>resonator, and power brakes, but otherwise pretty standard.
>Can anybody please tell me what the problem might be?
>
>TIA<
>
>Bill
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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