Thoughts on the Thundermax
Road Master
Joined: Aug 2016
Posts: 940
Likes: 43
From: BERGEN COUNTY N.J.
does it hold the tune, like if I get it professionally tuned on a 70 degree day, naturally a 90 degree humid day will make it run leaner rich, does it automatically adjust the tune it has to everyday parameters? thats what I'm looking for, and did they work the bugs out, I was DEAD SET on this tuner, than I read all the problems?
Road Master
Joined: Aug 2016
Posts: 940
Likes: 43
From: BERGEN COUNTY N.J.
I've used one for a little over a year and really like it- replaced a Power Commander V with it. I get zero decel pop, zero "gurgling", and a very smooth power band. One thing though for anyone with the '08 and down "Y pipe" header- it doesn't like that and tries to richen up the back jug constantly due to the location of the O2 sensor. It'll run like a raped ape when moving and with good exhaust flow, but it will pop a lot on decel and idle.
Cruiser
Joined: Jun 2015
Posts: 128
Likes: 13
From: Oklahoma
very user friendly
I like them I have 3 on my bikes .... you make a change reload a new map done automap it and let auto tune do its thing.
lowered idle on all of them .....with cams sounds beautiful.... and less heat . plenty of power....
lowered idle on all of them .....with cams sounds beautiful.... and less heat . plenty of power....
Cruiser
Joined: Jun 2015
Posts: 128
Likes: 13
From: Oklahoma
support is great email and phone
I will use these because they get supported ......explain the problem , turn in a data packet so they can read everything .... and they send you a fix if they cant do it right on the phone , or by email .....Love them 
Stellar HDF Member
Joined: Apr 2012
Posts: 3,117
Likes: 1,193
From: Maryland
Thundermax? Why?
Why would you want to replace the Delphi ECM with it? If I remember correctly the Thundermax is Alpha-N. Why would one want to revert back to Alpha-N vs. a speed density system like the Delphi ECM?
Wide band O2 sensors? If you feel the need for those - why wouldn't you just use a Target Tune in conjunction with the Delphi ECM?
Why would you want to replace the Delphi ECM with it? If I remember correctly the Thundermax is Alpha-N. Why would one want to revert back to Alpha-N vs. a speed density system like the Delphi ECM?
Wide band O2 sensors? If you feel the need for those - why wouldn't you just use a Target Tune in conjunction with the Delphi ECM?
Cruiser
Joined: Jun 2015
Posts: 128
Likes: 13
From: Oklahoma
Because you can tune them your damn self .......otherwise you have to take to the damn dealer every time you do something ....... to remap it .....I can do mine in 15 mins just take my seat off and BLAM..... done and check anything else I wanna check.
The dealership freaks out .. The take my seat off ...ah sir it has an aftermaket ecm ....Im like ah yeah ......Didnt pay you to work on the ecm did I ?
The dealership freaks out .. The take my seat off ...ah sir it has an aftermaket ecm ....Im like ah yeah ......Didnt pay you to work on the ecm did I ?
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Stellar HDF Member
Joined: Apr 2012
Posts: 3,117
Likes: 1,193
From: Maryland
Because you can tune them your damn self .......otherwise you have to take to the damn dealer every time you do something ....... to remap it .....I can do mine in 15 mins just take my seat off and BLAM..... done and check anything else I wanna check.
The dealership freaks out .. The take my seat off ...ah sir it has an aftermaket ecm ....Im like ah yeah ......Didnt pay you to work on the ecm did I ?
The dealership freaks out .. The take my seat off ...ah sir it has an aftermaket ecm ....Im like ah yeah ......Didnt pay you to work on the ecm did I ?
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