>My suggestion would be to first confirm that both the centrifugal advance
>and vacuum advance are doing at least something. If either one has quit
>working, it can make the engine feel sluggish without actually running
>poorly. You'll need a timing light to confirm the centrifugal advance :
>SNIP
>For the vacuum advance, you'll also need a MityVac SNIP
>Disconnect the vacuum line from the distributor and hook your vacuum source
>in its place. Now watch the mark as you apply vacuum. If it moves at all,
>the unit is probably working OK. SNIP
>Then set the initial advance using the "road test" method : Advance by 2
>degree steps until you can just barely make the engine knock deliberately
>(by lugging it in 4th gear with it warmed up thoroughly), and then back off
>by 2 degrees.
Lord I love this List!
Nuanced follow up question, then. I replaced the copper vacuum tube with a
rubber tube that fits over that. Is there a Physics type reason that's a bad
idea?
Terry Smith, '59 TR3A
New Hampshire
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