Re: TR4A Engine part problems

[Keith A Edwards <kedwards@norfolk.infi.net>]

"Westerdale, Bob" wrote:
SNIP
>  Sunken valves can make a fairly big difference in
> compression ratios, which can be felt as a bit of engine roughness
> especially under full throttle

Sounds like the symptom I had, after a rebuild on my TR4A, where one or
two valve springs were too short.  In that case, compression was good,
but the valve got sucked down a little on the vacuum stroke.  Not easy
to find...

Keith Edwards
Suffolk, VA
2 TR3Bs
2 TR4As