AFR & Tuning Zone

Fuel Injector Calculations

Started by Ohio HD

Replies: 5
Views: 2,152

February 10, 2023, 09:21:46 AM
by Ohio HD

AFR & Tuning Zone Sticky Topics List

Started by mayor

Replies: 4
Views: 25,424

February 15, 2013, 05:50:37 AM
by mayor

Mapping question?

Started by ZR1Dan

Replies: 7
Views: 1,693

October 15, 2010, 12:59:24 PM
by ZR1Dan

replacement o2 sensors

Started by zoot

Replies: 3
Views: 1,138

February 25, 2018, 10:39:52 AM
by rbabos

DTT

Started by zipper421

Replies: 7
Views: 1,198

September 29, 2014, 03:27:16 AM
by zipper421

Any base maps for the Harley Bolt on 117 kit?

Started by Zigzag930

Replies: 1
Views: 1,111

May 19, 2018, 08:33:16 PM
by Ohio HD

Back pressure vs Velocity - Removing cat vs x-pipe, etc

Started by Zigzag930

Replies: 11
Views: 1,851

August 18, 2016, 10:59:37 AM
by barrybasinger

Confused with TTS for Dummies and Lambda settings

Started by Zigzag930

Replies: 8
Views: 1,604

March 28, 2017, 10:52:05 AM
by rigidthumper

New to TTS - need to do the Cam setting 1st?

Started by Zigzag930

Replies: 7
Views: 1,848

March 01, 2017, 12:21:37 PM
by 98fxstc

SEPST .dt0 file format?

Started by z00t

Replies: 0
Views: 916

September 25, 2013, 06:18:17 AM
by z00t

Decatted stock head pipe question(s)

Started by Yzernie

Replies: 4
Views: 1,245

July 19, 2016, 07:25:14 PM
by joe_lyons

Anyone still selling O2 conversion kits?

Started by yositime

Replies: 8
Views: 1,520

October 09, 2010, 04:42:01 PM
by yositime

EITMS and TTS and Stall

Started by yositime

Replies: 4
Views: 1,162

August 08, 2010, 01:00:46 PM
by yositime

TTS O2 sensor plot

Started by yositime

Replies: 6
Views: 1,797

August 11, 2009, 06:19:18 PM
by WVULTRA

Power Vision Auto Tune Pro VS. Dyno Tune

Started by Yookdew

Replies: 5
Views: 1,724

November 08, 2013, 01:35:56 PM
by Tsani

Cold start , poor throttle black smoke

Started by yobtaf103

Replies: 1
Views: 908

January 27, 2017, 03:59:22 PM
by Nexus9

Reduce Timing How Many Degrees after it Starts to Ping?

Started by Yo J

Replies: 8
Views: 2,195

July 10, 2009, 06:21:34 PM
by Yo J

CV40 Idle: 12.9 Cruise 13.9 WOT 13.2 - Slow Roll on Throttle 15.2????

Started by Yo J

Pages1 2  All

Replies: 35
Views: 7,559

June 22, 2009, 04:29:39 AM
by Overcamber

Need Suggestion for SERT MAP for 103 w/54H Cams Plz

Started by Yo J

Replies: 1
Views: 1,227

January 16, 2010, 06:30:25 AM
by strokerjlk

TMAX Timing @ RPM - Why does timing increase?

Started by Yo J

Replies: 7
Views: 1,893

July 06, 2011, 09:23:56 PM
by Admiral Akbar

Carb / Fuel / Weather??

Started by Yo J

Replies: 6
Views: 1,362

August 07, 2010, 07:17:10 AM
by 1997bagger

Could the T-Max Leave you stranded?

Started by Yo J

Replies: 17
Views: 2,430

July 15, 2010, 09:14:30 PM
by Paniolo

Would changing exhaust systems require the ignition timing to be changed?

Started by Yo J

Replies: 2
Views: 1,594

February 14, 2009, 04:02:04 AM
by PC_Hater

Had T-Max adjustments done , Now turnsignals don't self cancel ?

Started by YFOPOS1

Replies: 3
Views: 996

July 23, 2014, 10:45:57 AM
by YFOPOS1

Base 856 T-Max Question

Started by YFOPOS1

Replies: 21
Views: 2,756

July 06, 2014, 01:17:13 PM
by Admiral Akbar

Tuning out fuel stand-off???

Started by Y2KRKNG

Replies: 5
Views: 1,260

September 15, 2016, 05:58:54 PM
by BVHOG

Noob with Old school Dynatek mapping Q's

Started by Y2KRKNG

Replies: 3
Views: 1,009

July 30, 2013, 05:39:53 AM
by Y2KRKNG

Help with AFR/Tuning the Old School way

Started by Y2KRKNG

Pages1 2  All

Replies: 34
Views: 5,219

July 13, 2016, 09:47:29 PM
by Y2KRKNG

Main Jet Roll-Off Results

Started by Y2KRKNG

Replies: 13
Views: 1,911

February 23, 2014, 08:30:35 PM
by Nowhereman

Help interpreting observed characteristics of IGN timing changes

Started by Y2KRKNG

Pages1 2  All

Replies: 36
Views: 5,666

February 06, 2014, 04:47:22 AM
by NHBagger

Using AFR to set timing

Started by Y2KRKNG

Replies: 4
Views: 1,353

July 20, 2016, 08:38:03 AM
by Y2KRKNG

Need tuning tips going from TH to ST

Started by Y2KRKNG

Replies: 0
Views: 811

April 10, 2014, 05:54:24 AM
by Y2KRKNG

SE tuner on stock M8?

Started by Xyzzy

Replies: 6
Views: 2,307

July 15, 2019, 11:57:50 AM
by HV

SEPST or DJPV?

Started by Xyzzy

Replies: 12
Views: 2,190

September 20, 2018, 08:40:41 PM
by Xyzzy

Less fuel at higher RPM?

Started by Xyzzy

Replies: 13
Views: 2,412

January 10, 2017, 05:23:48 AM
by rbabos

Start 2-3 times

Started by xdragracer

Pages1 2  All

Replies: 46
Views: 5,310

July 08, 2014, 04:54:08 AM
by rbabos

1st Harley TTS Installed

Started by xdragracer

Pages1 2  All

Replies: 27
Views: 6,245

June 26, 2012, 01:09:17 PM
by xdragracer

TTS Dyno Tuner in Ohio

Started by xdragracer

Replies: 21
Views: 2,970

September 01, 2014, 08:46:18 AM
by strokerjlk

T-max tuners

Started by x52gnr

Replies: 1
Views: 1,092

October 07, 2009, 09:58:07 PM
by genedjr

Thundermax 02 replacement

Started by x52gnr

Replies: 3
Views: 1,907

November 26, 2008, 04:55:08 AM
by x52gnr

Powervision dyno tuner in Virgina

Started by x52gnr

Replies: 1
Views: 1,031

June 27, 2014, 02:14:34 PM
by 1931jamesw

Setting Idle rpm on 2011 Roadglide

Started by x52gnr

Replies: 2
Views: 947

May 06, 2012, 03:38:26 PM
by FLTRI

Skips Cycles in Winchester Va

Started by x52gnr

Replies: 10
Views: 2,906

July 28, 2013, 04:55:36 PM
by hogasm

Dyno tuner rec

Started by x52gnr

Replies: 0
Views: 810

August 28, 2013, 09:56:05 AM
by x52gnr

Thundermax cough when cold / updated on post 7

Started by x52gnr

Pages1 2  All

Replies: 31
Views: 9,131

August 27, 2009, 09:31:58 AM
by x52gnr

Tuning out throttle lag on TBW bikes

Started by x52gnr

Pages1 2  All

Replies: 30
Views: 7,042

May 21, 2012, 08:40:08 AM
by FLTRI

Should I dump T-max for TTs

Started by x52gnr

Replies: 24
Views: 4,047

December 16, 2009, 03:43:25 PM
by glens

TTS or Thundermax decision time

Started by x52gnr

Pages1 2  All

Replies: 35
Views: 8,487

September 28, 2010, 06:12:50 PM
by GLIDERIDER-06

Rev Performance EMS tuner review

Started by x52gnr

Pages1 2 3 4  All

Replies: 83
Views: 17,364

November 27, 2011, 04:20:49 PM
by gabbyduffy

Power Vision vs Se Pro tuner

Started by x52gnr

Pages1 2 3 4  All

Replies: 77
Views: 14,024

September 15, 2013, 10:40:22 AM
by HD/Wrench