PInimodulo
Well-Known Member
- First Name
- Leo
- Joined
- Oct 10, 2023
- Threads
- 5
- Messages
- 94
- Reaction score
- 75
- Location
- Washington state
- Car(s)
- 2020 GR Supra
- Thread starter
- #1
Hello everyone, I have been looking around and could not find much info on this. I am interested in any experience with the one that underdrives, and all I could find was a few people in the forum that have used one, but on stock ratio and not underdrive.
I know that if I use the 10% underdrive, it will not be much of a change or issue for the car, but I am interested on the 21% underdrive one, and wanted to see if someone had used it. I mainly want to make sure it will be ok for daily driving. For what I could find on other cars, even a 25% underdrive was fine and didnt reduce the water pump or alternator output too much to be a danger to the engine or a problem with the electrical system.
I sent the question to the people at ATI but have not received any response yet unfortunately.
Thank you for any insights.
I know that if I use the 10% underdrive, it will not be much of a change or issue for the car, but I am interested on the 21% underdrive one, and wanted to see if someone had used it. I mainly want to make sure it will be ok for daily driving. For what I could find on other cars, even a 25% underdrive was fine and didnt reduce the water pump or alternator output too much to be a danger to the engine or a problem with the electrical system.
I sent the question to the people at ATI but have not received any response yet unfortunately.
Thank you for any insights.
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