Go Back   Harley Davidson Forums > Harley Davidson Motorcycles > Classic > Panhead
Sign in using an external account
Register Forgot Password?
Search


Panhead A place to talk about Panhead motors.

Reply
 
 
 
P
 
Thread Tools Search this Thread
  #1  
Old 12-28-2007, 06:28 AM
62trvler 62trvler is offline
Senior Rider
Join Date: Jul 2007
Location: Grand Rapids MI
Posts: 390
Default Dual point VS single?

Have a dual point 62 and keep hearing a single point is better. What would it take to convert? Wiring?? Parts??
Reply With Quote
  #2  
Old 01-02-2008, 09:35 AM
crampfan crampfan is offline
Prospect
Join Date: May 2007
Posts: 206
Default RE: Dual point VS single?

you will just need a single point breaker assm, and a single point coil, not a real big deal to change over. the only problem with the dual point system is keeping the timing between cyls. right. all it takes is a little variation in point dwell to messit up. if you have a timing light and know how to set the timing. (on both cyls.) just keep what you have, its a very rare set up ( that really wasnt needed)
Reply With Quote
  #3  
Old 01-02-2008, 07:29 PM
Hal64hd's Avatar
Hal64hd Hal64hd is offline
Road Master
Join Date: Feb 2007
Location: LOST WAGES
Posts: 831
Default RE: Dual point VS single?

The dual point setup is a true single fire ignition which allows longer coil saturation thus producing a stronger spark ,firing once (720 degrees flywheel rotation) on the compression/power stroke, while single point fires the coil twice per 720 degrees(waste spark)

The Dual points also allow for moreaccurate timing of each cylinder independant of each other
__________________
1964 FLH Duo-glide/2007 XL883L (wifes)/2006 VRSCA, POWERLINE STYLE EXHAUST, ISO FLOORBOARDS, SUNDOWNER SEAT RICKS 5 GALLON FUEL TANK,THUNDERMAX ECU, CHEVY DURAMAX 2 BAR MAP SENSOR, SLIPPER CLUTCH, 30 TOOTH HDI SPROCKET, RICOR INTIMINATORS,(prototype)RICOR REAR SHOCKS, TURBO CONNECTION AEROCHARGER INTERCOOLED TURBO, "WICKED" RAM AIR COVER

Sometimes It's Better to Keep Your Mouth Shut and Let People Think Your Ignorant, Than to Open Your Mouth and Confirm It.
Reply With Quote
  #4  
Old 01-03-2008, 11:42 AM
crampfan crampfan is offline
Prospect
Join Date: May 2007
Posts: 206
Default RE: Dual point VS single?

yes you are correct, but we are talking panhead here, better? when it comes to old Harley's, simplicity is always better. how much damage can improper timing between cyls. cause? I have seen lots of triumphs and Norton's with holes inthe pistons caused by improper timing between cyls. I don't see too many mechanics that will spend the time setting everything up right on the old stuff anymore, and with points just not worth the risk. But.........the setup works and works well if you know what you are doing and are willing to take the time to do the proper adjustments every 3000 miles.
Reply With Quote
  #5  
Old 01-13-2008, 08:40 AM
62trvler 62trvler is offline
Senior Rider
Join Date: Jul 2007
Location: Grand Rapids MI
Posts: 390
Default RE: Dual point VS single?

I guess I'll have keep the single setup on for now that the builder put on and store thedual point setupfor future, if I can get it back. I hear you have to pull the front jug to get the breaker assmbly out. I Just have to figure out the wiring now for a single coil and how to mount it. Any recomended coils? It's all new to me and after 4 years I am determined to hear it run and ride it this summer.
Reply With Quote
  #6  
Old 01-13-2008, 10:31 AM
sqdealgeorge sqdealgeorge is offline
Road Warrior
Join Date: Dec 2007
Location: Mauston Wi
Posts: 1,792
Default RE: Dual point VS single?

you don't need to buy another coil you can wire the dual coils so they fire as a single. the old two point system was not the best it had something to do with the way the advance wts were mounted after 1970 the advance wts were mounted different
Reply With Quote
  #7  
Old 01-13-2008, 10:49 AM
62trvler 62trvler is offline
Senior Rider
Join Date: Jul 2007
Location: Grand Rapids MI
Posts: 390
Default RE: Dual point VS single?

I don't think the dual points have advance weights as it is manual advance. I am interested in being able to use the existing coils. Do you have an idiot's guide? I'm not very good with this stuff. I can put it back the way it was but not modify.
Reply With Quote
  #8  
Old 01-13-2008, 12:32 PM
Hal64hd's Avatar
Hal64hd Hal64hd is offline
Road Master
Join Date: Feb 2007
Location: LOST WAGES
Posts: 831
Default RE: Dual point VS single?

The dual point setupis a manual advance and you do not have to pull the front jug to change it out
__________________
1964 FLH Duo-glide/2007 XL883L (wifes)/2006 VRSCA, POWERLINE STYLE EXHAUST, ISO FLOORBOARDS, SUNDOWNER SEAT RICKS 5 GALLON FUEL TANK,THUNDERMAX ECU, CHEVY DURAMAX 2 BAR MAP SENSOR, SLIPPER CLUTCH, 30 TOOTH HDI SPROCKET, RICOR INTIMINATORS,(prototype)RICOR REAR SHOCKS, TURBO CONNECTION AEROCHARGER INTERCOOLED TURBO, "WICKED" RAM AIR COVER

Sometimes It's Better to Keep Your Mouth Shut and Let People Think Your Ignorant, Than to Open Your Mouth and Confirm It.
Reply With Quote
  #9  
Old 01-13-2008, 03:09 PM
sqdealgeorge sqdealgeorge is offline
Road Warrior
Join Date: Dec 2007
Location: Mauston Wi
Posts: 1,792
Default RE: Dual point VS single?

With a single style point set up run the wire that leaves the distributor to the negitive side of both coils Feed bat positive to the + on the coils(some coils don't mark neg or positive) if thats the case let me know. I'm pretty sure I can tell you how one can use a dual pts distrib eliminate one set of pts and get ya going Look at the cam in the distributor and see if there is a narrow lobe for front cylinder timing !
Reply With Quote
Old 01-13-2008, 03:09 PM
 
 
 
P
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Dual Disc vs. Single Disc Antonio Balls Dyna Glide Models 11 03-13-2014 03:35 PM
Electronic ignition 76 shovelhead jim70 Shovelhead 4 11-19-2013 09:26 PM
Dual points or single on '62 pan PanGuy Ignition/Tuner/ECM/Fuel Injection 0 03-26-2013 01:42 PM
Points, Dual points & Single fire tgren Ironhead 2 10-15-2010 07:08 AM
Dual or single axle trailier? FireHog Touring Models 27 03-02-2007 10:08 PM


Tags
coil, convert, davidson, dual, fire, firing, harley, mauston, point, points, set, setup, single, wisconsin, women


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump

Join HDForums

Advertising
Featured Sponsors
Vendor Directory
Sponsors

All times are GMT -5. The time now is 06:57 PM.


Internet Brands, Inc.