Jump to content

Unofficial Home of Old Simplicity & Allis-Chalmers Garden Tractors

Sign in to follow this  
aokpops

How doe,s this work ?

Recommended Posts

aokpops
if you have a old engine thats has not run for a year or two . an try to start it won,t start . if you take the spark plug wire off leave it about an 1/8 inch away from the plug an it starts right up I have done this a lot an it works for for me . I can,t figure out whats going on .

Share this post


Link to post
Share on other sites
tractormike
I might be wrong on this but I'll give it a try. By holding the wire away from the plug the voltage in the wire has to build up more than if it was attached to the plug directly, and you get a hotter spark. With the hotter spark a spark plug in marginal condition will fire better. JC Whitney used to sell little spark plug extensions that you put in between the plug and the wire which created a gap and that was their sales pitch as to how it worked.

Share this post


Link to post
Share on other sites
djarvis949
Way back when, I remember throwing those 'Spark Intensifiers' away when doing Tune Ups. Anyway, yesterday I bought a new plug for my push mower and noticed that it has a built in 'BOOSTER GAP' to deliver maximum firing voltage.

Share this post


Link to post
Share on other sites
patrician12
You have found the secret to starting a flooded points and condenser automobile.This is an old mechanics trick,We call it intensify the spark.If we get a car in with a misfire from flooding we hold the coil wire away from the coil and the extra high voltage will clear a fouled spark plug in a minute or two at a high idle.

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  

  • Who's Online (See full list)

    • Chris727
    • rokon2813
    • simplewrench
    • 720nut
    • s_stephen
  • Today's Birthdays

    1. 9934059
      9934059
      (71 years old)
  • Recent Status Updates

    • jbrooks

      jbrooks  »  Talntedmrgreen

      Josh
       
      folowing  this from a link at the downloads.  I just rescued an AC 920 with the lambodini diesel. I can' t download  yet .  Where did you find the PDF copy you posted. . I would like to figure out how to adjust the injection pump. 
      I assume it's a bosche, correct
      · 0 replies
    • dav-1

      dav-1  »  Talntedmrgreen

        Over a year ago, you answered a question I had about the tool bar for my FDT. In your reply dated Dec 31, 2019  you said the spacer, part #16, goes in the bar to allow for up and down depth adjustment. does this mean the bolt has to be tightened at whatever depth desired or does the bolt slide up and down, allowing the lower hitch to free float?
         If it is tightened so the lower hitch and the bar are rigid, then is the depth to be controlled by the shoes? Or by the lift handle?
        Is there any kind of user directions for the tool bar? The Outdoor Power Manual basically shows how to assemble the bar but not how to use it
      · 1 reply
  • Adverts

×