Crank trigger?
Thread Starter
Newbie
Joined: Feb 2025
Posts: 18
Likes: 15
From: Kentucky
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0
Looking to run Microsquirt and wondering if anyone here has ran the MARS damper that has trigger wheel machined into it and what your experience was. How was the quality? I'm well versed in megasquirt with 6 different cars running it and more than a few inline 6's at that. Looking to tune for this crappie fuel we are getting (e15) and tossing the idea around of a gt30 and laying on some boost. If I'm gonna get crappie milage may as well have fun doing it. The Mars damper looks like a great option for a 36-1 trigger.
Given your experience with Megasquirt and tuning multiple inline-6s, you should be well-prepared to handle the adjustments needed for E15 fuel and the https://tropical-casino.com/ potential boost from a GT30. It's definitely a good idea to embrace the fun side of things, especially if you're already working with crappier mileage. Just make sure to monitor your air-fuel ratios closely as you tune for that boost. Good luck with your build; it sounds like it’s going to be a blast!
Last edited by azepewifug; Apr 1, 2026 at 12:13 AM.
Seasoned Member

Joined: Jun 2021
Posts: 453
Likes: 165
From: Ortonville, mi
Year: 97
Model: Cherokee (XJ)
Engine: 4.0
I made my own. Aluminum wheel w/4 magnets at 90°. For a v8 setup. MSD had them, for a 6cyl I'm not sure though. U design a piece, I can make it. 50+ yrs machinist and wrenchman. My 4.0 megasquirt project is still in design phase. Good luck! Ric
Seasoned Member


Joined: Dec 2024
Posts: 311
Likes: 115
From: United States
Year: 2021
Model: Cherokee (XJ)
MARS damper quality is solid. Machining is clean and the trigger wheel is well placed. No wobble issues if you install it right. Only real headache is clearance if you keep stock accessories. Works perfect for 36-1 on Microsquirt.
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