Harley Davidson Forums

EVO All Evo Model Discussion

better acceleration

Thread Tools
 
Search this Thread
 
Old Jun 15, 2017 | 09:11 PM
Share
  #41  
1997bagger's Avatar
1997bagger
Seasoned HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Aug 2008
Posts: 5,082
Likes: 2,159
From: Ohio
Default
Wrong, it was for a Shovel
 
Reply
0
Old Jun 16, 2017 | 05:43 AM
Share
  #42  
98hotrodfatboy's Avatar
98hotrodfatboy
Seasoned HDF Member
15 Year Member
Liked
Loved
Joined: Mar 2010
Posts: 21,168
Likes: 7,676
From: Poolville
Default
So you're running 24/37-32/70???

If so, that is a 3.37. More than optimal for performance. If that's not good enough than you really need to look at a bigger motor....
 
Reply
0
Old Jun 16, 2017 | 07:22 PM
Share
  #43  
bentparts's Avatar
bentparts
Thread Starter
|
Road Captain
Photogenic
Liked
Loved
Community Favorite
Joined: Apr 2009
Posts: 501
Likes: 150
From: Jersey
Default
Ordered one from Baker ( 23 T ) when it comes in the swap should be relatively easy and I think it's worth a try. I agree with everyone's assessment that a bigger engine is most likely the only thing that will satisfy fully, but it's just not in the cards right now. I'll check back in once I've swapped and tested it out.
 
Reply
0
Old Jun 16, 2017 | 07:24 PM
Share
  #44  
bentparts's Avatar
bentparts
Thread Starter
|
Road Captain
Photogenic
Liked
Loved
Community Favorite
Joined: Apr 2009
Posts: 501
Likes: 150
From: Jersey
Default
Originally Posted by 98hotrodfatboy
So you're running 24/37-32/70???

If so, that is a 3.37. More than optimal for performance. If that's not good enough than you really need to look at a bigger motor....
Your probably right, no replacement for displacement.
 
Reply
0
Old Jun 17, 2017 | 06:23 AM
Share
  #45  
98hotrodfatboy's Avatar
98hotrodfatboy
Seasoned HDF Member
15 Year Member
Liked
Loved
Joined: Mar 2010
Posts: 21,168
Likes: 7,676
From: Poolville
Default
Let us know what the rpm is at 70 mph with that 23 gear @ 3.51 ratio...
 
Reply
0
Old Jun 17, 2017 | 03:59 PM
Share
  #46  
br549A1's Avatar
br549A1
Outstanding HDF Member
Joined: Nov 2013
Posts: 2,358
Likes: 34
Default
Ok you guys got me interested in this. I found a kit that comes with a 21T comp and new chain for about $125. Seems cheap, anyone running a 21T with the 36T clutch?
 
Reply
0
Old Jun 18, 2017 | 07:39 AM
Share
  #47  
1997bagger's Avatar
1997bagger
Seasoned HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Aug 2008
Posts: 5,082
Likes: 2,159
From: Ohio
Default
Originally Posted by kp877
Ok you guys got me interested in this. I found a kit that comes with a 21T comp and new chain for about $125. Seems cheap, anyone running a 21T with the 36T clutch?
Been a 21t Screamin Eagle part around for a while, calculate your gear ratio before jumping on it, 350-360 final ratio gets some R's down the road
 
Reply
0
Old Jun 18, 2017 | 08:03 AM
Share
  #48  
bentparts's Avatar
bentparts
Thread Starter
|
Road Captain
Photogenic
Liked
Loved
Community Favorite
Joined: Apr 2009
Posts: 501
Likes: 150
From: Jersey
Default
Originally Posted by kp877
Ok you guys got me interested in this. I found a kit that comes with a 21T comp and new chain for about $125. Seems cheap, anyone running a 21T with the 36T clutch?
Curious, did you find that at a HD dealer?
 
Reply
0
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

10 Most Awkward-Looking Motorcycles Ever Built

 Verdad Gallardo
story-1

Jason Momoa Is Turning Classic Harleys Into PHEVs

 Verdad Gallardo
story-2

Harley-Davidson Fat Boy Becomes a Dark, Decepticon-Inspired Custom

 Verdad Gallardo
story-3

6 Weirdest Harley-Davidsons Ever Sold to the Public

 Verdad Gallardo
story-4

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-5

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-6

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-7

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-8

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-9

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
Old Jun 18, 2017 | 08:12 AM
Share
  #49  
98hotrodfatboy's Avatar
98hotrodfatboy
Seasoned HDF Member
15 Year Member
Liked
Loved
Joined: Mar 2010
Posts: 21,168
Likes: 7,676
From: Poolville
Default
I guess it wouldn't hurt to go to a 22 or 21. According to my 77 fsm the fx went as low as a 3.73 and the fl's 3.90. Just gotta watch the highway speeds....
 
Last edited by 98hotrodfatboy; Jun 18, 2017 at 08:27 AM.
Reply
0
Old Jun 18, 2017 | 08:23 AM
Share
  #50  
br549A1's Avatar
br549A1
Outstanding HDF Member
Joined: Nov 2013
Posts: 2,358
Likes: 34
Default
Originally Posted by bentparts
Curious, did you find that at a HD dealer?
http://www.dragspecialties.com/produ...umber=11200011
 
Reply
0



Advanced Search
Reply Closed Thread Share
Forum Jump

All times are GMT -5. The time now is 06:52 AM.

story-0
10 Most Awkward-Looking Motorcycles Ever Built

Slideshow: Not every motorcycle can be a design icon, and these machines prove that bold styling doesn't always age gracefully.

By Verdad Gallardo | 2026-06-12 11:58:41


VIEW MORE
story-1
Jason Momoa Is Turning Classic Harleys Into PHEVs

Slideshow: Jason Momoa's latest restoration project blends 1920s Harley-Davidsons with modern electric technology, creating some of the most unusual hybrid motorcycles ever built.

By Verdad Gallardo | 2026-06-10 17:18:58


VIEW MORE
story-2
Harley-Davidson Fat Boy Becomes a Dark, Decepticon-Inspired Custom

Slideshow: Killer Custom's latest build relies on styling changes rather than performance upgrades, giving the cruiser an entirely different personality.

By Verdad Gallardo | 2026-06-03 18:28:05


VIEW MORE
story-3
6 Weirdest Harley-Davidsons Ever Sold to the Public

Slideshow: From military-inspired singles to scooters and three-wheel utility vehicles, these Harleys took the company far outside its comfort zone.

By Verdad Gallardo | 2026-06-02 18:34:10


VIEW MORE
story-4
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-5
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-6
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-7
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-8
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-9
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE