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Re: [T3] Horrible News - Need Help

On 26 Jan 2001, at 9:44, Herman Haustein wrote:

> Excuse the ignorance , but , I never understood how you can check timing
> advance at say 4000rpm with only a timing light .
> Don't you need a strobe thingi?

"Timing light" usually refers to a strobe. The smaller incandescent 
lights used for various things, including static ignition timing, are 
usually just called "test lights."

> I think I'll be checking my advance too.

Always a good idea. This is one of the reasons that I recommend 
using a "timing light" to set the timing; this way you can test the 
mechanical advance quickly and easily by just watching the timing 
mark with the strobe while you speed up the engine.

There are many easy ways to test the vacuum advance. I usually 
just watch the breaker plate while I suck on the hose. If it moves to 
the end of its travel and doesn't leak down, it's good. 

Someone here did mention finding an intake vacuum port that was 
clogged, however. My normal testing would have missed that; I'll 
have to check those out in the future.

Jim Adney
Madison, WI 53711-3054

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