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Discussion Starter #21
Yo Irv, V spring swap was just a stab in the dark for a quicki fix , but it had no reward. So not the problem .
The bolt ,cylinder latch, Is a long pivoting thing made out of hard spring steel . being very thin on one end is allowing it to deflect sideways and disengage from the cam on the rebound lever dropping it early.
Cheap Bubba fix mentioned involves a shim on the inside of the frame to stop this deflection.
The small cams and lobes on these two parts are small and must be perfect to work , or they aren't and they don't.
 

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Yo Irv, V spring swap was just a stab in the dark for a quicki fix , but it had no reward. So not the problem .
The bolt ,cylinder latch, Is a long pivoting thing made out of hard spring steel . being very thin on one end is allowing it to deflect sideways and disengage from the cam on the rebound lever dropping it early.
Cheap Bubba fix mentioned involves a shim on the inside of the frame to stop this deflection.
The small cams and lobes on these two parts are small and must be perfect to work , or they aren't and they don't.


Yeah, Colts cylinder rotates backwards, their screwy action design isn't as smooth or rugged as S&Ws & goes out of time more often. Because they were used up long ago replacement parts aren't as available & must be made. The later guns kind of rode in on the coattails of the SAA... outside of all those failings they do have the cool name & are pretty accurate (a couple still take up lodging in my safe). It's been my experience brass makes the best shims on a Colt but sometimes you need to carve out a whole new part the hard way.
 

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Discussion Starter #23
Well, I'm gonna put a plug in this one for now and call it functional.
A couple of quick file strokes on the rebound lever cam and the bolt started behaving properly. It is now dropping right in the middle of the leade, 1/8 of an inch before the slot.
Action is smooth and trigger pull both SA and DA are dandy .
Striped completely naked of finish it still has the complexion of a 16 year old fry cook.



How much surface restoration will be done will depend on how she preforms at the range .
Pretty comfortable with E/I/ colts now ,so for now done deal .
 
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