How to lockout msd 8580
+3
David Cole
dino
tconnection
7 posters
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How to lockout msd 8580
I need to lock my 8580 out but i dont know how.Will somebody walk me through it? I did a search but no luck. Im fixin to search some more but still lf somebody knows right off, i'ld thank ya for your help.
Thanks
Thanks
tconnection- Posts : 866
Join date : 2009-02-17
Age : 58
Location : Alma, Ga
Re: How to lockout msd 8580
Remove the advance components including the springs, weights and the advance stop bushing from the advance assembly.
2. Remove the roll-pin from the shaft retaining sleeve and slide the shaft up.
3. Rotate the shaft 180° and insert the advance stop bushing pin into the small hole on the advance plate (Figure 7).
4. Install the locknut and washer to the advance stop bushing pin. This locks the advance in place.
5. Install the retaining sleeve and its roll-pin.
2. Remove the roll-pin from the shaft retaining sleeve and slide the shaft up.
3. Rotate the shaft 180° and insert the advance stop bushing pin into the small hole on the advance plate (Figure 7).
4. Install the locknut and washer to the advance stop bushing pin. This locks the advance in place.
5. Install the retaining sleeve and its roll-pin.
dino- Posts : 46
Join date : 2011-08-25
Re: How to lockout msd 8580
Do the gear have to come off?
Where is the lock nut and washer located?
Where is the lock nut and washer located?
tconnection- Posts : 866
Join date : 2009-02-17
Age : 58
Location : Alma, Ga
Re: How to lockout msd 8580
Gear doesn't need to come off. When you take the pin out the collar on the bottom of the aluminum part of the distributor the whole shaft will slide up until the gear touches the collar.tconnection wrote:Do the gear have to come off?
Where is the lock nut and washer located?
The lock nut is under the advance mechanism. These are boomerang shaped sliding weights under the rotor.
Re: How to lockout msd 8580
Ok i im catching on. Bare with me. So i lift the shaft up and turn it 180*, sit it down in place and screw the nut back on and do the weights and springs go back on?
Thanks
Thanks
tconnection- Posts : 866
Join date : 2009-02-17
Age : 58
Location : Alma, Ga
Re: How to lockout msd 8580
tconnection wrote:do the weights and springs go back on?
Thanks
They won't do anything anymore. May as well leave em off.
norm- Posts : 261
Join date : 2009-08-06
Location : michigan
Re: How to lockout msd 8580
Sound good! I can handle this fix. Maybe it want be to hard on my starter till i can get a retard set up of some sort. Im firing off with a 6al and an little efi coil. it seems kinda hard to fire witch ofcourse i havent locked out to set timing at 30 or 32 and i havent set the idle mixture screws yet. I dont have my tach back from autometer yet. Hopefully tuesday. Cant read my rpm. Anyway, about what should it read at idle?
Thanks
Thanks
tconnection- Posts : 866
Join date : 2009-02-17
Age : 58
Location : Alma, Ga
Re: How to lockout msd 8580
tconnection wrote:Sound good! I can handle this fix. Maybe it want be to hard on my starter till i can get a retard set up of some sort. Im firing off with a 6al and an little efi coil. it seems kinda hard to fire witch ofcourse i havent locked out to set timing at 30 or 32 and i havent set the idle mixture screws yet. I dont have my tach back from autometer yet. Hopefully tuesday. Cant read my rpm. Anyway, about what should it read at idle?
Thanks
My 552 idles at 1000rpm anything lower it don't want to idle
69F100- BBF CONTRIBUTOR
- Posts : 5386
Join date : 2009-01-04
Age : 58
Location : Irwinville Ga.
Re: How to lockout msd 8580
I locked it out. It was easy to do once i new what to do.
Thanks
Thanks
tconnection- Posts : 866
Join date : 2009-02-17
Age : 58
Location : Alma, Ga
Re: How to lockout msd 8580
locking out the advance isn't going to make starting any easier. good chance the opposite will happentconnection wrote:Sound good! I can handle this fix. Maybe it want be to hard on my starter till i can get a retard set up of some sort. Im firing off with a 6al and an little efi coil. it seems kinda hard to fire witch ofcourse i havent locked out to set timing at 30 or 32 and i havent set the idle mixture screws yet. I dont have my tach back from autometer yet. Hopefully tuesday. Cant read my rpm. Anyway, about what should it read at idle?
Thanks
DanH- Posts : 1081
Join date : 2009-08-06
Re: How to lockout msd 8580
Never really understood locked out timing unless you have a digital ignition to control timing curve or efi forward do the same.
whatbumper- Posts : 3024
Join date : 2009-11-11
Age : 44
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