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Twin Cam

Engine, Drive train only- Technical Posts Only, No parts sourcing.
smith46wesson, dynaman1, Sycho01, Leed, Jbdman, brent, HighLiner, vetteandharley, maggy, SmokyOwl, techson, rc4510, blown alcohol, tbird, wood02, MikeJ, fatbobber and 465 Guests are viewing this board.
Bike died on the dyno

Started by biggzed

Pages1 2 3 ... 6  All

Replies: 129
Views: 17,778

May 07, 2015, 04:30:20 AM
by RXBOB

tw-777 cam in 96" (poor low end)

Started by Damo

Pages1 2 3 ... 6  All

Replies: 129
Views: 31,278

April 22, 2012, 04:25:00 PM
by FLTRI

Valve seat failure

Started by Matt C

Pages1 2 3 ... 6  All

Replies: 127
Views: 14,666

March 18, 2017, 04:58:27 PM
by BVHOG

GP-1023 Picture

Started by Coyote

Pages1 2 3 ... 6  All

Replies: 127
Views: 20,642

October 09, 2014, 07:58:38 AM
by RevFastEddy

Replies: 127
Views: 18,990

June 30, 2014, 02:51:14 PM
by a2wheeler

WOW, 337 gearing

Started by ONEFASTBAGGER

Pages1 2 3 ... 6  All

Replies: 126
Views: 20,283

January 14, 2010, 06:22:51 AM
by noliners

My gatermans are dying after 5k

Started by wnogood

Pages1 2 3 ... 6  All

Replies: 126
Views: 16,557

July 06, 2014, 02:09:59 PM
by FXDBI

Replies: 125
Views: 22,688

January 11, 2016, 05:36:14 PM
by Nowhereman

Advice on Timken conversion

Started by les

Pages1 2 3 ... 6  All

Replies: 125
Views: 13,616

January 02, 2017, 02:19:45 PM
by BUBBIE

Baker attitude chain adjuster

Started by Scotty

Pages1 2 3 ... 6  All

Replies: 125
Views: 27,876

June 13, 2014, 08:57:51 PM
by kd

Hand Porting VS CNC

Started by whetsel.m

Pages1 2 3 ... 5  All

Replies: 124
Views: 19,026

February 17, 2014, 07:27:05 PM
by Homeward Bound

Replies: 124
Views: 16,894

April 11, 2009, 09:20:34 AM
by GoFast.....

Front cyl noise? Any ideas?

Started by Soft 02

Pages1 2 3 ... 5  All

Replies: 124
Views: 14,552

March 10, 2014, 03:51:25 PM
by Soft 02

Replies: 123
Views: 25,780

December 22, 2011, 04:01:37 AM
by Hillside Motorcycle

I keep bending valves

Started by les

Pages1 2 3 ... 5  All

Replies: 123
Views: 12,875

February 11, 2017, 02:59:59 PM
by les

Replies: 123
Views: 18,287

May 03, 2015, 09:13:35 AM
by VANAMAL

120R Project

Started by Flat Dog

Pages1 2 3 ... 5  All

Replies: 122
Views: 31,966

November 29, 2010, 05:08:14 AM
by Flat Dog

HD Top Speed

Started by ChromeWhore

Pages1 2 3 ... 5  All

Replies: 122
Views: 19,809

September 24, 2009, 08:57:17 PM
by genedjr

I are Tmax aficionado

Started by Admiral Akbar

Pages1 2 3 ... 5  All

Replies: 122
Views: 23,045

May 07, 2009, 06:53:13 PM
by 7hogs

Throttle body flow.

Started by Admiral Akbar

Pages1 2 3 ... 5  All

Replies: 121
Views: 23,670

April 20, 2015, 10:41:56 AM
by jason700r

at a loss.. and frustrated!

Started by UltraNutZ

Pages1 2 3 ... 5  All

Replies: 121
Views: 19,487

February 21, 2014, 05:43:28 AM
by Overcamber

Head Ache

Started by RXBOB

Pages1 2 3 ... 5  All

Replies: 121
Views: 8,613

October 15, 2015, 07:20:40 AM
by Sunny Jim

143 Version 2.0

Started by HD/Wrench

Pages1 2 3 ... 5  All

Replies: 120
Views: 31,706

October 26, 2020, 03:54:49 PM
by 1workinman

Too little squish?

Started by Txphatboy

Pages1 2 3 ... 5  All

Replies: 120
Views: 18,159

November 03, 2016, 02:00:09 PM
by Matt C

Replies: 120
Views: 38,214

December 04, 2016, 01:53:59 PM
by rbabos

FXR 124" twin cam

Started by nosjunkie

Pages1 2 3 ... 5  All

Replies: 119
Views: 28,873

May 29, 2022, 09:31:19 AM
by nosjunkie

Replies: 119
Views: 26,574

January 07, 2014, 05:27:19 AM
by Barrett

Replies: 119
Views: 22,071

September 01, 2013, 09:18:42 AM
by hrdtail78

New SE 120" motor

Started by 7hogs

Pages1 2 3 ... 5  All

Replies: 118
Views: 34,455

October 06, 2010, 06:40:48 AM
by ultraswede

Baker Attitude 0 - 117 ci 1

Started by strokerjlk

Pages1 2 3 ... 5  All

Replies: 118
Views: 21,482

January 17, 2013, 12:36:48 PM
by Ohio HD

Replies: 118
Views: 17,154

August 02, 2014, 09:56:23 AM
by rideflhr

Stage 3 a mistake?

Started by wumhenry

Pages1 2 3 ... 5  All

Replies: 118
Views: 22,905

October 29, 2015, 08:31:29 AM
by Tattoo

103 vs 107 build advice needed

Started by Adam76

Pages1 2 3 ... 5  All

Replies: 118
Views: 34,127

November 22, 2023, 02:08:40 AM
by 60Gunner

PCIII or Harley Race Tuner??

Started by HDMDD

Pages1 2 3 ... 5  All

Replies: 117
Views: 21,314

February 25, 2009, 10:48:06 AM
by FLTRI

Engine ping. 103

Started by 1fast2liter

Pages1 2 3 ... 5  All

Replies: 117
Views: 9,671

April 25, 2017, 01:48:55 PM
by 1fast2liter

Replies: 117
Views: 23,828

April 15, 2014, 04:35:57 PM
by Area51

Replies: 116
Views: 16,027

February 01, 2014, 05:43:36 AM
by strokerjlk

Replies: 116
Views: 19,567

August 05, 2019, 11:10:51 PM
by Hilly13

Replies: 115
Views: 16,442

April 22, 2011, 12:57:20 PM
by Doc Dyna

Axtell Oil bypass system

Started by strokerjlk

Pages1 2 3 ... 5  All

Replies: 115
Views: 31,662

February 18, 2013, 10:15:50 AM
by FSG

Replies: 114
Views: 17,123

July 29, 2013, 03:55:16 AM
by No Cents

Replies: 114
Views: 20,914

November 01, 2009, 06:27:11 PM
by pwmorris

Andrews 57H

Started by wfolarry

Pages1 2 3 ... 5  All

Replies: 114
Views: 37,931

July 12, 2012, 12:50:59 PM
by Durwood

107" build with MVA heads

Started by shootist57

Pages1 2 3 ... 5  All

Replies: 113
Views: 11,985

October 10, 2015, 02:32:27 PM
by Matt C

Minimum head work thoughts?

Started by troop

Pages1 2 3 ... 5  All

Replies: 112
Views: 21,001

January 06, 2011, 02:37:42 PM
by machinist

Replies: 112
Views: 18,452

October 18, 2012, 06:26:10 AM
by mattVA

Replies: 112
Views: 17,749

July 20, 2011, 07:14:18 PM
by rel3rd

lack of oil Top End

Started by customrdr

Pages1 2 3 ... 5  All

Replies: 112
Views: 14,311

January 19, 2015, 08:08:03 AM
by clawdog60

New Wagner X Pipe

Started by HV

Pages1 2 3 ... 5  All

Replies: 111
Views: 34,051

July 22, 2012, 12:44:38 PM
by bulldog

Replies: 111
Views: 13,017

June 05, 2016, 07:10:34 AM
by glens

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