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#517473 03/15/2009 8:46 PM
Joined: Oct 2006
Posts: 117
C
Shop Shark
Shop Shark
C Offline
Joined: Oct 2006
Posts: 117
So I have a vacuum leak and found it to be the advance on the distributor. So now in my searches I have found some who say the car and truck units are different. I believe that my motor was originally from an early 60's car but don't know how to tell for sure. I really don't care if it is the correct looking unit I just want it to work properly. I'm just hoping you guys can educate me on stovebolt vac advances before I go out and order something tomorrow and have it be wrong.
Thanks, Chuck

Joined: Aug 2008
Posts: 230
O
Shop Shark
Shop Shark
O Offline
Joined: Aug 2008
Posts: 230
their should be at part number on the advance see if it can be crossed or identified from it !

old dog #517540 03/16/2009 12:12 AM
Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269

The car and the truck vacuum advance units have different angles

car unit - photo 1 (oddy - this photo of the incorrect unit is shown in truck Shop Manuals & Owner's Manuals)

car unit - photo 2

car and truck units next to each other

common replacement unit - the pivot post on the moving arm must be drilled out and your original crew should be used


Joined: Oct 2006
Posts: 117
C
Shop Shark
Shop Shark
C Offline
Joined: Oct 2006
Posts: 117
So either car or truck will work, just the angle of the vacuum canister is different. Thanks for the education guys.


Moderated by  Phak1, Woogeroo 

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