Touring Models Road King, Road King Custom, Road King Classic, Road Glide, Street Glide, Electra Glide, Electra Glide Classic, and Electra Glide Ultra Classic bikes.
Sponsored by:
Sponsored by:

power commander or thundermax?

Thread Tools
 
Search this Thread
 
Old Feb 18, 2008 | 02:46 PM
  #1  
Ganzo68's Avatar
Ganzo68
Thread Starter
|
Cruiser
Joined: Feb 2008
Posts: 167
Likes: 0
From: Wisconsin
Default power commander or thundermax?

Alright guys another question. I went ahead and bought the bassani power curve headers and the cfr mufflers for my 08 SG. Now by my reading of other posts I will be needing a fuel management system correct? I was wondering which system is preferred amongst you guys. I am pretty mechanical and can do the pcIII or is it too much hassle and just go with the thundermax. But then the problem is when isthe thundermaxgoing to be out. I want to be ready to ride by april when the snows gone. And I also will probably need a different air cleaner to go along with this? any recommendations would be excellent. I know you guys have all the knowledge and I am learing so much new stuff every day. thanks for all your help!!
 
Reply
Old Feb 18, 2008 | 02:48 PM
  #2  
SoCal_Pappy's Avatar
SoCal_Pappy
Elite HDF Member
Joined: Oct 2006
Posts: 4,602
Likes: 5
From: Southern California - Palm Springs Area
Default RE: power commander or thundermax?

If ya got the $$$$ ThunderMax w\Auto Tune.... PCIII to really dial it in you'll need a Dyno and as you ad more up-Grades More Dyno Time...

Air Kit.. Ness Big Sucker is TOPS!
 
Reply
Old Feb 18, 2008 | 02:50 PM
  #3  
bikergeoff's Avatar
bikergeoff
Road Master
Joined: Apr 2007
Posts: 1,162
Likes: 1
From: Just South of Detroit, MI
Default RE: power commander or thundermax?

PCIII here, +1 on the Ness Big Sucker!
 
Reply
Old Feb 18, 2008 | 03:02 PM
  #4  
Ganzo68's Avatar
Ganzo68
Thread Starter
|
Cruiser
Joined: Feb 2008
Posts: 167
Likes: 0
From: Wisconsin
Default RE: power commander or thundermax?

so if I get the BS and install the headers and mufflers and the pcIII, do the dyno thats all I should need. I don't plan on changing mufflers or air cleaners once I have it all installed. Otherwise the thundermax would be the ticket to save money if I wanted to change things?
Thanks,
Jason
 
Reply
Old Feb 18, 2008 | 03:06 PM
  #5  
eglidetrike1's Avatar
eglidetrike1
Road Master
Joined: Nov 2007
Posts: 751
Likes: 0
From: Glenside Pa.
Default RE: power commander or thundermax?

I'd wait a little while and see what the T-max system looks like.
 
Reply
Old Feb 18, 2008 | 03:18 PM
  #6  
YodaddyKeith's Avatar
YodaddyKeith
Banned
Joined: Sep 2007
Posts: 1,777
Likes: 3
From: Fugitive from justice
Default RE: power commander or thundermax?

T-Max is a great device but they ain't yet fingered out how to make it work fully with the '08 bikes.....You will lose certain features with it because it totally replaces the ECM and the newest T-Max still lacks some functionality there.

The PCIII USB is also having some problemson the '08's, in that it piggy backs the factory ECM, and the factory ECM fully controls the amount of power the engine can develop......Wide open throttle on an '08 ain't wide open throttle unless the ECM sez so, and it hardly ever sez so.......It's throttle by wire, not cables, so even tho you twist the wick, it ain't gonna deliver **** to the Power Commander to act on unless all wide open throttle conditions are met....Which won't happen unless you are headed uphill with three fat chicks in your bags.

Ask Jamie at Fuelmotousa.com.....He sells both and can describe the problems with both on the '08's...He's yet to get an '08 with PCIII and drive by wire throttle to fully open the buttery fly even on the dyno under max load.

Blame it on the EPA
 
Reply
Old Feb 18, 2008 | 03:36 PM
  #7  
SoCal_Pappy's Avatar
SoCal_Pappy
Elite HDF Member
Joined: Oct 2006
Posts: 4,602
Likes: 5
From: Southern California - Palm Springs Area
Default RE: power commander or thundermax?

ORIGINAL: Ganzo68

so if I get the BS and install the headers and mufflers and the pcIII, do the dyno thats all I should need. I don't plan on changing mufflers or air cleaners once I have it all installed. Otherwise the thundermax would be the ticket to save money if I wanted to change things?
Thanks,
Jason
If you're NOT going to do any more up-grades to the engine then a simple stage 1 - I would go with the V&H FuelPak... Easy install & Set-up - No Dyno needed and has worked GREAT for my needs so far & cheapest of the 3....
 
Reply
Old Feb 18, 2008 | 03:44 PM
  #8  
Ganzo68's Avatar
Ganzo68
Thread Starter
|
Cruiser
Joined: Feb 2008
Posts: 167
Likes: 0
From: Wisconsin
Default RE: power commander or thundermax?

so can I install this stuff without a fuel management system whileI wait for the tmax or will it mess up my scoot?
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-1

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-2

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

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

 Verdad Gallardo
story-4

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

 Verdad Gallardo
story-5

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-6

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-7

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-8

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
story-9

Southpaw Super Glide: A Left-Hand-Drive 1979 Harley FXE Built to Fit the Rider

 Verdad Gallardo
Old Feb 18, 2008 | 03:59 PM
  #9  
whiterides's Avatar
whiterides
Cruiser
15 Year Member
Joined: Jan 2008
Posts: 175
Likes: 0
From: New Zealand
Default RE: power commander or thundermax?

ORIGINAL: Ganzo68

so can I install this stuff without a fuel management system whileI wait for the tmax or will it mess up my scoot?
Nope. It'll run way too lean and probably damage your engine.
 
Reply
Old Feb 18, 2008 | 04:01 PM
  #10  
hoosierhog88's Avatar
hoosierhog88
Road Warrior
Joined: Nov 2005
Posts: 1,551
Likes: 2
From: Contributor to HDForums.com
Default RE: power commander or thundermax?

SERT
 
Reply



All times are GMT -5. The time now is 02:39 PM.

story-0
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-1
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-2
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-3
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-4
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
story-5
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-6
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-7
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-8
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE
story-9
Southpaw Super Glide: A Left-Hand-Drive 1979 Harley FXE Built to Fit the Rider

Slideshow: Graeme Billington's left-hand-drive Shovelhead is as much about problem-solving as it is about classic Harley form.

By Verdad Gallardo | 2025-12-30 11:27:08


VIEW MORE