1966 Riviera GS Crank No start. Suggestions needed.

Discussion in 'Classic Buicks' started by ArnoldsMind, Aug 24, 2020.

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  1. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    No the rotor distributes the spark to each individual cylinder. The reluctor vanes attached to the shaft move past each point of the pick up coil, triggering the module to pulse the coil which produces the spark. 360 degrees of distributor shaft rotation should produce 8 sparks of good quality. Your HEI? Not so much.:)
     
    LARRY70GS, Oct 3, 2020
    #181
  2. GSX 554

    GSX 554 Gold Level Contributor

    What I Said Larry back in posts 148 , 151 and 155 .
     
    GSX 554, Oct 3, 2020
    #182
  3. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Like I said, Arnold's Mind.:D
     
    LARRY70GS, Oct 3, 2020
    #183
    6769RIV and GSX 554 like this.
  4. Max Damage

    Max Damage I'm working on it!

    Stubbornness is an essential quality to successful troubleshooting.
     
    Max Damage, Oct 3, 2020
    #184
    ArnoldsMind likes this.
  5. ArnoldsMind

    ArnoldsMind Well-Known Member

    To be clear, and to make sure I'm understanding you and my big homie GSX400.

    The spin @ 0:45 is enough rotation to start an engine? Because that's what I'm understanding from your replies.

     
    ArnoldsMind, Oct 3, 2020
    #185
  6. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    No, I don't think you are getting a hot enough healthy spark for the engine to run. There aren't enough sparks either.
     
    LARRY70GS, Oct 4, 2020
    #186
  7. PGSS

    PGSS Gold Level Contributor

    Did you replace the bad lifter or soak it in oil if you did to make sure it pumps up. 4th rocker arm down is barely moving?
    I'm not saying it is the starting issue but I just happened notice it.
     
    Last edited: Oct 4, 2020
    PGSS, Oct 4, 2020
    #187
    6769RIV likes this.
  8. BuickV8Mike

    BuickV8Mike SD Buick Fan

    Did you ever get to turn it by hand to feel the resistance yourself?
     
    BuickV8Mike, Oct 4, 2020
    #188
    6769RIV likes this.
  9. GSX 554

    GSX 554 Gold Level Contributor

    That was advice offered long ago but never done .
     
    GSX 554, Oct 4, 2020
    #189
  10. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    I think what you meant to say is tenacity is important. Disregarding sound advice from individuals who have been doing this a long time,because you aren't hearing what you want to hear is just counter productive as evidenced by this thread. The motor doesn't run. The definition of insanity is doing the same thing over and over and expecting a different result.:D
     
    LARRY70GS, Oct 4, 2020
    #190
    ArnoldsMind, GSX 554 and 6769RIV like this.
  11. ArnoldsMind

    ArnoldsMind Well-Known Member

    The HEI and spark tester video posted on 9/7 and now everyone is 100% sure it's the HEI. But since years of Buick experience results in a dislike of academic discourse. I will make a video with the OEM distro, but as a gambling man I would place my money on a continuation of the pitiful cranking. And another weekend of you all telling me I'm not listening.
    Not yet. The lifters are on back order. But will get here eventually.
     
    ArnoldsMind, Oct 4, 2020
    #191
  12. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    The pitiful cranking and weak/no spark are 2 different issues. They are unrelated I think unless you have timing chain/gear issues.
     
    LARRY70GS, Oct 4, 2020
    #192
    ArnoldsMind likes this.
  13. ArnoldsMind

    ArnoldsMind Well-Known Member

    Same thing over and over? It didn't start spinning righteously until I primed the oil pump when I had the heads off. I want to get the car started. If the HEI is the source that's a good thing. But you are assuming that I never tried the Distro that was installed when I got the car. I changed the Coil, Cap, rotor, and wires (That I had a confirmed spark from) on day 1. The HEI comes into the picture after early trouble shooting. There is more than youthful naivete behind my apprehension. For the record, the only advice I have not taken, was the compression test because I don't have the tool, and unbolting the flex plate.
     
    ArnoldsMind, Oct 4, 2020
    #193
  14. ArnoldsMind

    ArnoldsMind Well-Known Member

    The cranking is improved as of late. The consensus is that the HEI is faulty.
     
    ArnoldsMind, Oct 4, 2020
    #194
  15. ArnoldsMind

    ArnoldsMind Well-Known Member

    I turned it by hand because when I turned it I got a backfire from the carb. And that was the only sign of life I have had since I bought it.
     
    ArnoldsMind, Oct 4, 2020
    #195
  16. socal rider

    socal rider Active Member

    If you are in Los Angeles I have the original distributor off my 65 Rivi gran sport which is also a425 nailhead. Where in L A are you,located?
     
    socal rider, Oct 4, 2020
    #196
  17. 12lives

    12lives Control the controllable, let the rest go

    He's in Inglewood. Post 170. Don't think you tried the dizzy 180 out. OK.
     
    12lives, Oct 4, 2020
    #197
  18. ArnoldsMind

    ArnoldsMind Well-Known Member

    The HEI and spark tester video posted on 9/7 and now everyone is 100% sure it's the HEI. But since years of Buick experience results in a dislike of academic discourse. I will make a video with the OEM distro, but as a gambling man I would place my money on a continuation of the pitiful cranking. And another weekend of you all telling me I'm not listening.
     
    ArnoldsMind, Oct 4, 2020
    #198
  19. ArnoldsMind

    ArnoldsMind Well-Known Member

    Walk me through turning 180. It has about 90 degrees of action before the vac advance hits the firewall. 180 would also face the vac adv towards the firewall.
     
    ArnoldsMind, Oct 4, 2020
    #199
  20. ArnoldsMind

    ArnoldsMind Well-Known Member

    Home Depot was out of that sized socket.
     
    ArnoldsMind, Oct 4, 2020
    #200
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