1. Ceedawg

    Ceedawg Well-Known Member

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    Anyone see the post on Facebook that the dude claims when changing to a 4 barrel intake and carb from a 2 barrel on a 318 the timing changes? Timing light shows under the engine. Everybody says he’s an idiot but he claims he did it on numerous 318s. You have to go read it.
     
  2. Machmeter1

    Machmeter1 FABO Gold Member FABO Gold Member

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    Vacuum changes for sure..., that effects timing on the distributor.
     
    Last edited: Mar 31, 2021
  3. 67Dart273

    67Dart273 FABO Gold Member FABO Gold Member

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    Pretty tough to read it when we have no idea who/ what/ where/ when...............................................
     
  4. abodyjoe

    abodyjoe Well-Known Member

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    link?
     
  5. Ceedawg

    Ceedawg Well-Known Member

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    Wish I had got a link, then I have to figure how to post it. Real nut job imo
     
  6. thesiren74

    thesiren74 Well-Known Member

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    Well maybe because the stock 5° btdc is so lame yeah you should re-time it but should've been done with the 2 barrel.
     
  7. toolmanmike

    toolmanmike FABO MODERATOR Staff Member FABO Gold Member

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    He probably pulled the distributor. :rofl::rofl::rofl:

    But yes, anytime you change stuff you should check the basic tune up.
     
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    • 318willrun

      318willrun Utube channel 318willrun

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      This is what can cause that to happen:
      • Going from port vacuum to manifold vacuum on the vacuum advance
      • Idling the car at a higher RPM pulling some timing in from the mechanical weights
      • Pulling the dizzy and not putting it back in the same spot (why pull the dizzy anyways??? lol)
      Other than these three instances, initial timing will remain the same until it is changed.
       
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      • 75slant6

        75slant6 Well-Known Member

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        Yeah I saw the post earlier today as well. I would take a screenshot and post it here but unfortunately he took it down. His claim was that when you switch a stock 2 bbl 318 to a 318 with 360 heads and a 4 bbl intake and carb WITHOUT touching the distributor, the time goes WAY off and the timing marks on the balanced are no longer accurate and a timing light can no longer be used to time the engine, it has to be done by ear. Claimed he’s seen it at least 6 or 7 different times over the years.
         
      • diymirage

        diymirage HP@idle > hondaHP@redline

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        I wonder if his process includes messing with the cam timing?
         
      • T56MaxTorq

        T56MaxTorq Well-Known Member

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        He has probably changed the vacuum advance signal.

        First problem is listening to Facebook. Every attention-seeking nut job has a phone and Facebook now. Best advice is to ignore and move on. Or, shout at a wall like the rest of his commenters on his thread.
         
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        • AJ/FormS

          AJ/FormS 68 B'cuda fb, Form S clone ... 367/A833/3.55s

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          was it in a Demon?
           
        • 75slant6

          75slant6 Well-Known Member

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          Well that’s just it. He claimed he’s experienced this going back to the 80s or 90s.
           
        • 75slant6

          75slant6 Well-Known Member

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          Claimed it happened to 6-7 different engines
           
        • 318willrun

          318willrun Utube channel 318willrun

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          Every time I install dual exhaust on a 318 my speedometer reads 11 mph off. I did it at least 13x in the last 15 years. I verified it GPS, and it shows 55 @ 55 mph, then after I install duals it shows 66 to do 55 mph. No other changes, Call me crazy if you want...
           
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          • toolmanmike

            toolmanmike FABO MODERATOR Staff Member FABO Gold Member

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            Hard to believe he's the only one on the planet that ever experienced this.
             
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            • 75slant6

              75slant6 Well-Known Member

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              That’s essentially how the whole thing came across!
              :lol:
               
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              • AJ/FormS

                AJ/FormS 68 B'cuda fb, Form S clone ... 367/A833/3.55s

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                I put 340 heads and a 340 cam on a smoggerteen and all I got was a slo-azz car until I downshifted into first at 50mph to pass a turtle. Maybe I shouldda checked the timing, lol.
                 
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                • oldkimmer

                  oldkimmer FABO Gold Member FABO Gold Member

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                  I agree with the other fb peeps. Kim
                   
                • Bewy

                  Bewy Well-Known Member

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                  Post #8 nailed it.....
                  Although one thing left off the list. Imagining things....
                   
                • Demonracer

                  Demonracer 71 Demon 00 Ram 16 Chrysler 300S 05 Caravan FABO Gold Member

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                  A bunch of the FB posters ate WAY too many lead paint chips as a child & now days they need to step away from their crack/meth pipe.
                   
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                  • moper

                    moper FABO Gold Member FABO Gold Member

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                    I’m active on FB. The vast majority of respondents have no clue how cars work, regardless of the subject. You can’t educate everyone do sometimes it’s best to just don’t go down that rabbit hole...
                     
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                    • Mattax

                      Mattax Just the facts, ma'am FABO Gold Member

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                      When a person's defense of 'facts' is that they are an 'expert' that is a pretty good indicator they are not.
                       
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                      • abodyjoe

                        abodyjoe Well-Known Member

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                        yup.. very few there actually know what they are doing.. gotta follow a page a while and figure out what ones know their shit.
                         
                      • diymirage

                        diymirage HP@idle > hondaHP@redline

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                        The nice thing about fakebook is that you are not limited to only one dumb opinion...you get them all
                         
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