Re: Hot engine roughness and backfire

[Geo Hahn <geohahn@azstarnet.com>]

Glen Sapilewski wrote:

> Once it warms up the engine tends to buck, sputter and backfire on
> acceleration and sometimes even at constant speed.  The problem is most
> prevalent around 2000-3000 rpm.
>     Is this most likely a fuel delivery or ignition system
> problem?

Examine the coil connections for looseness... also, if they get hot after it's
run a bit that could indicate a poor connection.

A bad condensor can also be temperature sensitive.  Can be tricky to accurately
taet but it's cheap to replace.

Good hunting...

Geo Hahn
59 TR3A