Greetings,
I have had my Columbia 29, 1965 since 1989 and still love it.
My A4 now has a compression pattern of:
105 psi
38
102
30
If I put oil in each cylinder and repeat the results
are not much changed. I conclude that the valves
are bad or not seating well in two cylinders.
My plan is to remove the head and valves and inspect
closely. How does one grind the seats in an A4? Are
there special tools required?
My funniest A4 story is when I sucked up water in very rough
seas a few years back and flooded the engine with saltwater.
I removed the plugs and cranked a lot then added oil drops.
By this time my battery was too low to crank it over fast
enough to restart it. My solution was to install just ONE
spark plug.....I then got it actually running with three plugs
out....and kept adding plugs to get back to four. I swear
it's true. Keep it mind for when your battery is low and you don't
have a hand crank.
Dave
I have had my Columbia 29, 1965 since 1989 and still love it.
My A4 now has a compression pattern of:
105 psi
38
102
30
If I put oil in each cylinder and repeat the results
are not much changed. I conclude that the valves
are bad or not seating well in two cylinders.
My plan is to remove the head and valves and inspect
closely. How does one grind the seats in an A4? Are
there special tools required?
My funniest A4 story is when I sucked up water in very rough
seas a few years back and flooded the engine with saltwater.
I removed the plugs and cranked a lot then added oil drops.
By this time my battery was too low to crank it over fast
enough to restart it. My solution was to install just ONE
spark plug.....I then got it actually running with three plugs
out....and kept adding plugs to get back to four. I swear
it's true. Keep it mind for when your battery is low and you don't
have a hand crank.
Dave
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