Distributor Identification Help Needed

[Just Send It]

Gents,

Can someone please help me to identify this distributor that came on my 440?

I'm trying to reduce the total timing, but I've never worked on one of these before.
I've always just welded/filed the slots on the older versions.

For anyone that knows these dizzys, am I able to adjust the total timing by loosening the screws and closing the weight slot holes?


Thank you in advance

 

[RemCharger]

Yes. Those are the good ones!

 

[radical rob]

Talk to Halifax. He is local expert on that

 

[Crackedback]

That's a mallory style advance.

Loosen the two black screws and close up the window the tabs are located in.

You don't need the keys if you have a drill index. Use drill shanks to set mechanical advance level. The widths of the keys are posted on FABO and maybe here as well. I may have posted them. Just a little hillbilly engineering to save you some $'s buying those keys.

https://documents.holley.com/mallory_instructions_yh_series_mechanical_advance_kit_29014.pdf

Key width

Mallory YH, where to stick it, not at all clear on the concept

I could sure use a picture of how to measure the centrifugal advance on my Mallory YH by using the red plastic sticks they give you in the Summit spring assortment kit, because I'm not sure I'm doing it right. I've searched the 'net, including the posts and tutorials on this site, but haven't...

www.forabodiesonly.com

 

[Nacho-RT74]

From the distance, is a Mopar Performance Mallory made unit. Althought Firecore uses the same, but with a more serviceable shaft bushing assembly. Only visible with shaft removed.

 

[Just Send It]

That's a mallory style advance.

Loosen the two black screws and close up the window the tabs are located in.

You don't need the keys if you have a drill index. Use drill shanks to set mechanical advance level. The widths of the keys are posted on FABO and maybe here as well. I may have posted them. Just a little hillbilly engineering to save you some $'s buying those keys.

https://documents.holley.com/mallory_instructions_yh_series_mechanical_advance_kit_29014.pdf

Key width

Mallory YH, where to stick it, not at all clear on the concept

I could sure use a picture of how to measure the centrifugal advance on my Mallory YH by using the red plastic sticks they give you in the Summit spring assortment kit, because I'm not sure I'm doing it right. I've searched the 'net, including the posts and tutorials on this site, but haven't...

www.forabodiesonly.com

This is extremely helpful. Thank you SO much.

Update: I filed down an 11/64ths drill bit (0.170*) and it all went back together. Fired right up.

You are awesome, dude!

 

[Crackedback]

This is extremely helpful. Thank you SO much.

Update: I filed down an 11/64ths drill bit (0.170*) and it all went back together. Fired right up.

You are awesome, dude!

Cool, Thanks and Glad the suggestions worked out well!