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Plug specs |
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winniskier 
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Joined: March-15-2008 Location: Gilford, NH Status: Offline Points: 192 |
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 Topic: Plug specsPosted: April-21-2017 at 3:04pm |
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Anyone know the torque and gap specifications for my spark plugs? My engine is a Pro Boss GT-40.
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Jim
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desertskier
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Joined: December-19-2006 Location: Az Status: Offline Points: 1114 |
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Posted: April-21-2017 at 6:39pm |
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The torque value is in the manual (section 4) in the reference section. Didn't see the gap mentioned.
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Blamey
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Joined: August-18-2015 Location: White Plains,NY Status: Offline Points: 631 |
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Posted: April-21-2017 at 7:12pm |
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0.45"
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96 Super Sport
Previously: 95 Sport Nautique, 1980 Ski Supreme |
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 10641 |
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Posted: April-21-2017 at 7:23pm |
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so to put the numbers in the same spot 10 to 15 ft lbs and 0.045 inches. Think that 0.45 is a typo 
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: April-21-2017 at 8:10pm |
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No, I've heard one of those EI conversion things can creates a spark that can jump 1/2" gap!
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Duane in Indy
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Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Posted: April-21-2017 at 8:32pm |
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We run a 40 AMP points mag in the nitro funny car. Cringe every time I have to grab the cap and twist it to set the timing. That thing would throw a spark across the car!! BTW 65 degrees timing!!  |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: April-21-2017 at 9:20pm |
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It's amazing what a mag will produce. I got a wallop one day even from this little one on my Flexifour. At least it's got the on the fly advance/retard. (retard before cranking) 
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winniskier
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Joined: March-15-2008 Location: Gilford, NH Status: Offline Points: 192 |
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Posted: April-25-2017 at 9:41am |
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I am changing the distributor cap and rotor as well. What is the small amount of grease inside the cap for? It looks like it is stored there to be applied somewhere else.
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Jim
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Duane in Indy
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Posted: April-25-2017 at 10:06am |
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Assuming it is a points type distributor then it gets smeared on the 8 sided center shaft cam lobes to prevent the rubbing block on the points set from wearing. |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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GottaSki
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Joined: April-21-2005 Location: NE CT Status: Offline Points: 3327 |
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Posted: April-25-2017 at 11:00am |
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Big spark is the shizzy
Have witnessed my MSD jump a 3" airgap One spring, the stone cold engine turned over a 1/4 turn upon just turning the key to on, it fired off the fogging oil and residuals in one jug after 7 months of sitting. Its got me back to the dock with a stuck float dumping fuel. |
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole |
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Bri892001
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Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4945 |
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Posted: April-25-2017 at 6:05pm |
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Hmmm, was the grease near the center (coil) post? My guess is that it is to lube the part of the rotor that is constantly riding against the bottom side of the cap center post. |
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Blamey wrote: