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Dec 5th, 2008, 06:16 PM
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#1 | | Rookie 10+ posts
Join Date: Nov 2008 Location: Vancouver, BC
Posts: 11 Model: '78 Chopped Harley Interests: Bike, Genealogy Occupation: Accounting
| Plug Chop Technique Question
I've been reading up on how to do the plug chop tuning method. Here's my problem - my ignition is on the left on the motor mount and there is no kill switch. This presents the problem of pulling in the clutch and then killing the motor. How much will it throw off the readings if I let it idle while I get it into neutral so I can let the clutch go and kill the engine.
I know that it would be best if I either moved the ignition, installed a kill switch or went to a foot clutch. Ain't gonna happen.
Thanks | 
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Dec 5th, 2008, 07:26 PM
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#2 | | Moderator Has posted 500+
Join Date: Jul 2005
Posts: 7,389
| Quote:
Originally Posted by kiltedcylon  I've been reading up on how to do the plug chop tuning method. Here's my problem - my ignition is on the left on the motor mount and there is no kill switch. This presents the problem of pulling in the clutch and then killing the motor. How much will it throw off the readings if I let it idle while I get it into neutral so I can let the clutch go and kill the engine.
I know that it would be best if I either moved the ignition, installed a kill switch or went to a foot clutch. Ain't gonna happen.
Thanks | as your not tuning for competition, i dont think that little bit of idleing will hurt your readings.............but do it as quickly as you can... 
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Dec 5th, 2008, 07:30 PM
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#3 | | Moderator Has posted 500+
Join Date: Jul 2005
Posts: 7,389
| a thought, have the pass turn off the ign while you operate the clutch.....
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LORD, HAVE MERCY ON AMERICA, WHILE WE ARE UNDER DISTRESS
"FLAGS AND HANDLEBARS SHOULD NEVER TOUCH THE GROUND"
"Lord, hold our troops in your loving hands. Protect them as they protect us. Bless them and their families for the selfless acts they perform for us in our time of need. Amen." We plan to meet next week to talk about planning a strategy session to discuss the next step towards forming a consensus to start the development of the rough draft for the implementation of our intention to develop a plan. | |
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Dec 9th, 2008, 12:42 AM
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#4 | | Rookie 10+ posts
Join Date: Nov 2008 Location: Vancouver, BC
Posts: 11 Model: '78 Chopped Harley Interests: Bike, Genealogy Occupation: Accounting
| Thanks,
I was really hoping that was going to be the advice. I don't need it 1/4 mile perfect but I do need it go all day good. | |
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Dec 9th, 2008, 10:12 AM
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#5 | | Has posted 500+
Join Date: Jun 2004
Posts: 3,071
| Just FYI
Plug chop is a good method but with todays fuel, ethanol and unleaded, reading plugs is pretty difficult because the fuel burns very clean.
You might not see much difference, but you can feel the difference
If you get it really really really rich you'll see it.
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00 Heritage S&S 124 | |
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Dec 9th, 2008, 10:18 AM
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#6 | | Rookie 10+ posts
Join Date: Nov 2008 Location: Vancouver, BC
Posts: 11 Model: '78 Chopped Harley Interests: Bike, Genealogy Occupation: Accounting
| Oh Great!?!:!@#$@
Just when I thought I was getting close to the answer......
I guess that does answer how rich the Super B that's on there right now is running - they's black as coal. | |
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Dec 9th, 2008, 05:43 PM
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#7 | | Has posted 500+
Join Date: Mar 2004 Location: Ohio
Posts: 525 Model: 02 wide glide Interests: harleys-jack daniels-that "one thing" Occupation: trying to make a living
| yikes
yeah the chop hasn't worked much good with all the cleaners.(Our drag racecars still tell the tell though  ) Black is not so good though.Lean is just as bad (if not worse quicker). I still turn all the way in the carb jet(s) then turn out 2 and some change then turn in till it runs rough then back out a 1/4 method still gets it good and close. Then fine tune it from there. I am sure if ya got detial questions you will find the answer here.
I did run a set for a day then checked then, ran 'em for a while. I pretty much got it down for my own satisfaction and bike ability.
Have fun.
Later,
Voo1 
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02 Wide Glide
If you listen to fools...the MOB rules | |
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Dec 10th, 2008, 09:00 AM
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#8 | | Has posted 500+
Join Date: Jun 2004
Posts: 3,071
| If they are black and sooty then yeah it could be rich, LOL
Here is a link to the SNS Super B Manual if you don't have one,
SuperB PDF
Should give you all the tuning tips, pg 7 has the starting jet settings for multiple motor types IE stock vs stroker etc.
Also tells you how to do everything in steps to get it right.
Once you reset everything to start tuning you might want to drop in a nice new clean set of plugs...
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