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Posted (edited)

You need to know your engine number to find the correct Distributor Number for your truck. The Part Manual seems kind of cryptic when it comes to an actual part number (unless I don't know how to read it)  Does anyone know part numbers for the 1AT series distributors ? Don ??? Anyone ??? 

Hanks_B3B_T172_80885_Vacuum_Advance_zpsc

 

VC_2082R-01_zpsespsnhbe.png

 

 

Thanks,

 

Hank  :)

 

P.S. at $1.15, I'll take ten...

Edited by HanksB3B
Posted

You need to know your engine number to find the correct Distributor Number for your truck. The Part Manual seems kind of cryptic when it comes to an actual part number (unless I don't know how to read it)  Does anyone know part numbers for the 1AT series distributors ? Don ??? Anyone ??? 

Hanks_B3B_T172_80885_Vacuum_Advance_zpsc

 

VC_2082R-01_zpsespsnhbe.png

 

 

Thanks,

 

Hank  :)

 

P.S. at $1.15, I'll take ten...

 

Just a note, when they send you back the new disti, you will need to swap out your spring, washers, gasket and plug from your bad one. These are set at the factory with the right number of washers and they should be replaced in the same order into the new unit.

 

I can report a much better running truck. It idles smooth, pulls hard even at low throttle and coming off higher rpms, it settles into a idle easy with out fear of sputtering or cutting out. My leak is now either in a perished intake gasket or in the valve guides.

  • Like 1
Posted

Just a note, when they send you back the new disti, you will need to swap out your spring, washers, gasket and plug from your bad one. These are set at the factory with the right number of washers and they should be replaced in the same order into the new unit.

 

 

That is not always the case. To do it correctly find the curve numbers for your distributor vacuum advance and adjust accordingly using a vacuum generator. Curve numbers read X number of degrees at X inches of mercury and full in at X degrees at X inches of mercury. Use a vacuum generator such as pictured below.

 

PC130002_01.jpg

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