Thundermax - Harley Davidson Forums
Oct 25, 2007 · Thundermax installation and tuning guide I promised to do some screen shots of the tuning screens, but found that this doc has everything in it. Here is a link to the pdf doc, the …
Thunder max and dyno tuning - Harley Davidson Forums
Nov 10, 2018 · The Thundermax is an excellent on-the-fly tuner that adjusts automatically. You might be able to dyno tune and get a little more out of it but I doubt that’s worth the money …
Thundermax Tuning Help: 131" | V-Twin Forum
May 4, 2020 · Thundermax Tuning Help: 131" Jump to Latest 4.7K views 5 replies 5 participants last post by ANGRYRANGER15 Oct 17, 2025 D
Thundermax tuners / users hep - Harley Davidson Forums
Apr 29, 2023 · Thundermax tuners / users hep thundermax tuner Jump to Latest 11K views 12 replies 6 participants last post by alejoBigCampleto May 1, 2025
No Start, No fuel pump | Page 2 | Harley Davidson Forums
Jun 7, 2009 · Thundermax is a replacement for the stock ECU, and learns on it's own. The ECU is unplugged and is replugged into the Thundermax unit. The "Level sensor" is the "Bank Angle …
Any advantage of installing Thundermax tuner? - V-Twin Forum
Dec 12, 2020 · As I dropped my Bike off for the 131" upgrade, I have discussed tuning/tuners with my mechanic. He said that he will use the original Harley tuner, that there is no advantage of …
Thundermax Problem - V-Twin Forum
Jun 15, 2011 · Installed thundermax with auto tune, went through all the steps and all seemed fine until the starting process. starter switch won't do a thing, I noticed the alarm light is not …
121 VVT - V-Twin Forum
Oct 20, 2024 · It has been a few years on this site. I purchased 121 VVT. Love the bike, but falls off way too soon. Any rumors out there of tuner options? I will not use the Thundermax. Heard …
M8 Engine's Stage 1 & 2 Basic Info for Newbies - Harley Davidson …
Apr 10, 2025 · We recommend the ThunderMax EFI System for all of our engine kits and builds. ThunderMax Tuner $1088.95 – we will preprogram the system for your combination so there …
Thunder max vs power vision | Harley Davidson Forums
Jun 29, 2014 · Which is better the thundermax or power vision both with auto tune or something different all together? The difference in price is enough to cover half of the air intake I want. I'd …