The Sportster and Buell Motorcycle Forum - The XLFORUM®
 

Go Back   The Sportster and Buell Motorcycle Forum - The XLFORUM® > SPORTSTER & BUELL MOTORCYCLE RACING > Sportster Motorcycle Drag Racing
XLF Blogs XLF Arcade XLF Disclaimer/Privacy Statement/Terms Of Use

Sportster Motorcycle Drag Racing Discuss drag racing on a Sportster Motorcycle.

Active Threads
0 Painting Saddle Bags
Last Post: ericfreeman
Posted On: 6 Minutes Ago
Replies: 4
Views: 66
0 XL883L 2006 coughing and backfiring
Last Post: Toejam503
Posted On: 9 Minutes Ago
Replies: 11
Views: 251
0 Filters
Last Post: Toejam503
Posted On: 15 Minutes Ago
Replies: 2
Views: 391
0 ***DK Custom Products Stealth LED Driving - Passing Lights***
Last Post: DK Custom
Posted On: 24 Minutes Ago
Replies: 17
Views: 2,980
0 Bendix / Zenith questions
Last Post: DirtyHarry68
Posted On: 30 Minutes Ago
Replies: 6
Views: 194
0 Hottie of the day, no nudity.
Last Post: Stairman
Posted On: 43 Minutes Ago
Replies: 9,627
Views: 803,243
0 Official XL Forum Random Image Thread (NO NUDITY!)
Last Post: Stairman
Posted On: 56 Minutes Ago
Replies: 42,539
Views: 6,598,096
0 Those little ways to personalize your bike...
Last Post: Stairman
Posted On: 57 Minutes Ago
Replies: 19
Views: 1,455
6 What gasket sealer goo do you like?
Last Post: wedge
Posted On: 1 Hour Ago
Replies: 10
Views: 169
0 ***DK Custom - Announcing Winners & Runners-up - 5th Annual IBC***
Last Post: DK Custom
Posted On: 1 Hour Ago
Replies: 2
Views: 124
0 Both of my Sportsters going to the auction now
Last Post: Toejam503
Posted On: 1 Hour Ago
Replies: 7
Views: 176
0 ***DK Custom-Universal Fit Stealth LED Front Turn Signals/Running Lights***
Last Post: DK Custom
Posted On: 1 Hour Ago
Replies: 2
Views: 274
0 My new buckhorn bars
Last Post: Toejam503
Posted On: 1 Hour Ago
Replies: 29
Views: 881
0 ***DK Custom-SEE & BE SEEN-LED Front & Rear Lighting***
Last Post: DK Custom
Posted On: 1 Hour Ago
Replies: 6
Views: 682
0 THE Trainspotting Thread
Last Post: Stairman
Posted On: 2 Hours Ago
Replies: 2,284
Views: 282,372
0 Big Bore '03 883R :)
Last Post: t120r
Posted On: 2 Hours Ago
Replies: 21
Views: 910
0 Flat Tracker Conversion
Last Post: Gary E
Posted On: 3 Hours Ago
Replies: 352
Views: 102,650
0 Question on 2017 forty eight suspension
Last Post: TonyGall
Posted On: 3 Hours Ago
Replies: 3
Views: 187
0 which plug for dual plug heads
Last Post: IronMick
Posted On: 3 Hours Ago
Replies: 25
Views: 999
0 ***DK Custom-Limited Time Savings on ALL LED Lighting-See & Be Seen***
Last Post: DK Custom
Posted On: 3 Hours Ago
Replies: 0
Views: 36
0 Hello from Tennessee
Last Post: Hippysmack
Posted On: 4 Hours Ago
Replies: 11
Views: 255
0 What did you do for your sporty Today?
Last Post: hammer6315
Posted On: 4 Hours Ago
Replies: 5,629
Views: 667,305
0 FS: Stock HD Solo Seat
Last Post: wrkdWS6
Posted On: 5 Hours Ago
Replies: 0
Views: 43
0 S&S IST Ignition
Last Post: 60Gunner
Posted On: 5 Hours Ago
Replies: 2
Views: 65
3 Wtb, Wts, Wtt, Wtg (Ironhead)
Last Post: mitch500
Posted On: 5 Hours Ago
Replies: 60
Views: 206,312
0 Shock Length Increase And Ride Height Increase New Question
Last Post: Folkie
Posted On: 5 Hours Ago
Replies: 28
Views: 49
0 Solo spring seat on 08 Nightster?
Last Post: Toejam503
Posted On: 5 Hours Ago
Replies: 8
Views: 415
0 Roads I'd like to ride.
Last Post: Stairman
Posted On: 6 Hours Ago
Replies: 996
Views: 62,362
0 Long commute
Last Post: Tony F.
Posted On: 6 Hours Ago
Replies: 20
Views: 1,112
0 timing troubles!
Last Post: needspeed
Posted On: 6 Hours Ago
Replies: 26
Views: 1,161
More...
Members Birthdays
Sponsored Links
Reply
 
Share Thread Tools Display Modes
  #1  
Old 1st November 2018
the cowboy way's Avatar
the cowboy way the cowboy way is offline
Senior Chief Know It All 3rd Class
 
Join Date: Apr 2006
Location: TENNESSEE
Posts: 1,727
Sportster/Buell Model: hand built M/XL ironhead
Sportster/Buell Year: 9293
Sportster/Buell Model #2: 1976 motor in a 1987 fram
Sportster/Buell Year #2: ????
Other Motorcycle Model: 1974 XL & 2003 FXD
Other Motorcycle Year: 7403
the cowboy way has disabled reputation
Default Building a dragbike 101

I got questions
How much travel do ya need on a air shift?
I'm building a 76 XL
The ignition wire don't fit its hole
__________________
Forever Two Wheels
1997 AMRA National E-class Champion
Ironhead parts I have tons of em
machine shop @ home
Reply With Quote
  #2  
Old 2nd November 2018
Racepres's Avatar
Racepres Racepres is offline
Senior Custom Bike Builder
 
Join Date: May 2013
Location: Middle O the Mitten
Posts: 2,902
Sportster/Buell Model: XLCH
Sportster/Buell Year: 1977
Reputation: 52661
Racepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to behold
Default

Quote:
Originally Posted by the cowboy way View Post
I got questions
How much travel do ya need on a air shift?
I'm building a 76 XL
The ignition wire don't fit its hole
Now you Know it needs enough to take up all of the travel... in both directions... with some left over.. Variable by the length of the Shifter "lever" attached..
If yer talkin which stroke cylinder to purchase??? I can Measure the Shortest that worked for us!!!
Reply With Quote
  #3  
Old 5th November 2018
the cowboy way's Avatar
the cowboy way the cowboy way is offline
Senior Chief Know It All 3rd Class
 
Join Date: Apr 2006
Location: TENNESSEE
Posts: 1,727
Sportster/Buell Model: hand built M/XL ironhead
Sportster/Buell Year: 9293
Sportster/Buell Model #2: 1976 motor in a 1987 fram
Sportster/Buell Year #2: ????
Other Motorcycle Model: 1974 XL & 2003 FXD
Other Motorcycle Year: 7403
the cowboy way has disabled reputation
Default

Thanks Marty
Measure it
I think I need 3 "
Reply With Quote
  #4  
Old 7th November 2018
the cowboy way's Avatar
the cowboy way the cowboy way is offline
Senior Chief Know It All 3rd Class
 
Join Date: Apr 2006
Location: TENNESSEE
Posts: 1,727
Sportster/Buell Model: hand built M/XL ironhead
Sportster/Buell Year: 9293
Sportster/Buell Model #2: 1976 motor in a 1987 fram
Sportster/Buell Year #2: ????
Other Motorcycle Model: 1974 XL & 2003 FXD
Other Motorcycle Year: 7403
the cowboy way has disabled reputation
Default

Marty when you gonna get out the ruler ?

how much tranny oil ? running a dry primary
Reply With Quote
  #5  
Old 12th November 2018
Racepres's Avatar
Racepres Racepres is offline
Senior Custom Bike Builder
 
Join Date: May 2013
Location: Middle O the Mitten
Posts: 2,902
Sportster/Buell Model: XLCH
Sportster/Buell Year: 1977
Reputation: 52661
Racepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to behold
Default

Quote:
Originally Posted by the cowboy way View Post
Marty when you gonna get out the ruler ?

how much tranny oil ? running a dry primary
Today.... I was kinda busy over the long weekend [for us] ya Know...
Reply With Quote
  #6  
Old 13th November 2018
the cowboy way's Avatar
the cowboy way the cowboy way is offline
Senior Chief Know It All 3rd Class
 
Join Date: Apr 2006
Location: TENNESSEE
Posts: 1,727
Sportster/Buell Model: hand built M/XL ironhead
Sportster/Buell Year: 9293
Sportster/Buell Model #2: 1976 motor in a 1987 fram
Sportster/Buell Year #2: ????
Other Motorcycle Model: 1974 XL & 2003 FXD
Other Motorcycle Year: 7403
the cowboy way has disabled reputation
Default

Awards Banquet
I knew that
Reply With Quote
  #7  
Old 13th November 2018
Racepres's Avatar
Racepres Racepres is offline
Senior Custom Bike Builder
 
Join Date: May 2013
Location: Middle O the Mitten
Posts: 2,902
Sportster/Buell Model: XLCH
Sportster/Buell Year: 1977
Reputation: 52661
Racepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to beholdRacepres is a splendid one to behold
Default

Yep Banquet
now, Typical is a 1-1/2 bore by 3 inch stroke, the Cylinder..
We used a Smaller one... 1" Bore, by about a 2" stroke...
Paying particular attention to the shifting mechanism...
Remember, smaller displacement is Faster... larger displacement [bore anyway] is more powerful...I can Prove that set up properly, not much power is required...
Our 1" short stroke cylinder is capable down to about 60lbs pressure... reliably...
Remembering that untill full pressure is reached... no Kill Takes Place [slower shifts at higher Pressure]


Edit; Knowing Exactly how an air shifter works pays dividends... I used to hold "school" on this back in the day!!!
Reply With Quote
Reply

Bookmarks


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

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

Forum Jump



Sponsored Links
All times are GMT +1. The time now is 22:20.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
XL Forum® - Linson Media LLC