I apologize for the first blank email.
I replaced my 25D (original '73 in my car) with a 25D from '72, and then the
fun began. Both distributors are for an 18V engine. I took part of the guts
out of my old distributor (pertronix, rotor button, and cap) and put them in
the 'new' distributor. I replaced the old one because the collar used for
holding the distributor in place was a little messed up. btw my car is a '73
Symptoms: idles absolutely horrible now. Shakes like a banshee and will not
idle down below ~1200 (from a previously very smooth ~850-900). When I last
put in the old distributor, I set the timing statically at 10 degrees and then
adjusted it very carefully until it sounded 'just right.' This one seems way
to far out of whack to that. When I test drove the car it would back fire
while decelerating while in gear.
Any ideas? From what little I know of timing I assume that the timing is too
far advanced? I am going to check for vacuum leaks, but am not sure where my
car would have just picked up a random vacuum leak all of sudden.
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