Charging Problem

[d.p]

Ditch them drums for discs baby.  

[datzenmike]

On 5/28/2022 at 8:35 AM, mainer311 said:

How do you figure? It’s connected directly to the positive battery wire on the same post?

 

For the reason given. It wasn't making good contact but had to be taken off to change the starter. When put back on it did make contact but it's not the starter it was the taking it off and on that did the trick.

[mainer311]

51 minutes ago, datzenmike said:

 

For the reason given. It wasn't making good contact but had to be taken off to change the starter. When put back on it did make contact but it's not the starter it was the taking it off and on that did the trick.

Oh, I gotcha.

[wayno]

7 hours ago, Dat521sun said:

The piston in the wheel cylinder made a nick in the housing preventing the piston to move back. Replaced the wheel cylinder. Replaced old brake shoes (they came off of the lining) now new brake shoes seems bigger, can't get the drum in. Adjuster assembly all the way in, still won't fit.

You need to release the emergency brake cable from the center pull as it is likely partially on, once the drums are on then you will need to adjust(loosen) the e-brake assembly to get it connected again, they do not make the linings too thick, but people do adjust the e-brake cables as time goes by to the point where one cannot get the drums back on over new brake shoes.

[Montzzz]

On 12/26/2019 at 11:08 AM, datzenmike said:

The '78-'79 620 alternator is internally regulated and small like the 521 but only 35 or 36 amp output. Myself I'd rather have a 720 higher 50 amp output one for sure.

Does this fits in the 71 521?

 

[Montzzz]

On 5/29/2022 at 6:16 PM, d.p said:

Ditch them drums for discs baby.  

more info please, the drums of what and what disc you fitted in?

 

[datzenmike]

There is nothing wrong with your drum brakes if set and adjusted properly. Conversion to disc is a major undertaking and expensive. The only advantage is there is virtually no maintenance with them, they don't really work any better. For now and to lessen the confusion get your drum brakes working.

 

5 hours ago, Montzzz said:

Does this fits in the 71 521?

 

 Not very well. The 521 and the 620 have very little room for the alternator  between the engine and the frame and with the lower radiator hose wrapped around it. The truck alternator is physically small. The larger diameter Car 50 amp alternator is a poor fit in a truck.