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Could somebody decode this distributor for me?

Discussion in 'The Bench' started by vega_guy_76, Jan 15, 2004.

  1. vega_guy_76

    vega_guy_76 Well-Known Member

    I just started pulling my GMC apart (with the Buick 455) as the timing chain jumped. I have been trying to figure out exactly where this engine came from. The number on the distributor looks like: 111211O 1L 23

    The first portion could be 'i's instead of '1's. The "1L" has the different marked '1'. The first portion is a simply straight line. Could somebody decode this for me?

    Also, How common is it for the tip of the fuel pump arm to break off? I found this after I pulled the timing chain cover off and found the tip in the bottom of the cover, took me a few minutes to figure out where it came from. I have a picture but don't have a place to upload and link to it.

    Charles
     
  2. vega_guy_76

    vega_guy_76 Well-Known Member

    Ok, let me try this agian. Had the wrong picture before.

    Charles
     

    Attached Files:

  3. bgs455

    bgs455 OIF OEF HOA ONE

    The only # that comes close that I have is 1112100 for a 72 455 and 1112109 for a 72 350.
     
  4. vega_guy_76

    vega_guy_76 Well-Known Member

    One more.

    Charles
     

    Attached Files:

  5. bgs455

    bgs455 OIF OEF HOA ONE

    The only thing I can think of is when the chain jumped it caught it or that pump has a million miles on it and it wore out.
     
  6. vega_guy_76

    vega_guy_76 Well-Known Member

    Well I'm about 90% sure on the numbers I got off the distributor. And with the fuel pump arm breaking, it does look like it had a lot of miles on it, as where it rides on the cam, it looked almost like chrome and was worn down fairly far. I can't wait for it to stop raining so I can get back outside and put it back together.

    Charles
     
  7. Bad Boattail

    Bad Boattail Guest

    Charles,

    That number 111211O 1L 23,

    I think 1L 23 means

    1 = 1971

    L = 12th month of the year

    23 = day of that month




    1970

    350 2-V (and low compression 4-V) 1111986
    350 4-V (Hi compression) 1112006
    455 4-V 1111984
    455 4-V (Stage 1) 1111962


    1971

    350 2-V,4-V (MT) 1112006
    350 2-V,4-V (AT) exc.Lesabre 1112037
    350 2-V,4-V (AT) Lesabre 1112080
    455 4-V (MT) 1112016
    455 4-V (AT) 1112077
    455 4-V (Stage 1) 1112016


    1972

    350 1112109
    455 1112100
    455 (Stage 1) 1112016


    1973

    350 1112086
    455 1112087
     
  8. Carl Rychlik

    Carl Rychlik Let Buick Light Your Fire

    Erik,in 1970,the distributor numbers for a 1970 Stage 1 was 1112016,not 1111962 like you said. Just thought I'd post this since I have an original distributor in my Stage 1.


    Btw Charles,how many miles on that fuel pump? It looks like it's seen better days. It almost looks as though the pump wasn't being lubricated and snapped in that spot.
     
  9. vega_guy_76

    vega_guy_76 Well-Known Member

    I really have no idea as to the miles on the pump. I was told the engine was rebuilt 30,000miles ago. But I have my doubts about that, I was told by a friend following me one day that it smoked pure blue out the exhaust when I got on it hard. It smokes blue on start up pretty bad when cold, but only if held above 1500rpm's, below that it's good and clean.

    The only thing that indicates that it has been rebuilt is that it's painted :blast: chevy orange :Do No: . So I don't really know. I have yet to do a compression test, I will do that once I get the new timing chain and fuel pump back in place.

    Charles
     
  10. Bad Boattail

    Bad Boattail Guest

  11. dcm422

    dcm422 Well-Known Member

    1111962 is the Stage 1 distributor for 1969. The internal parts are the same as the ones in 1112016. The only difference is that the 70 on up units have holes in the breaker plate for the point shield (anyone remember those things..lol).
    It is possible that some very early 70 Stage 1 cars had the 69 distributor and later ones had the shielded units.
    Early non Stage 455's had 1111984 ones and later ones used 1112027.
    Sometimes there are no definites with what was used in production.

    Mark
     

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