MSD 87331 2-step
Thread Starter
Intermediate
Joined: Dec 2006
Posts: 48
Likes: 13
MSD 87331 2-step
Hey everyone,
I am looking to purchase the MSD 87331 Step for my 19 M8. I dont like the factory 5k rpm launch. I'm curious if anyone has it installed and where they mounted the unit.
MSD 87331
I am looking to purchase the MSD 87331 Step for my 19 M8. I dont like the factory 5k rpm launch. I'm curious if anyone has it installed and where they mounted the unit.
MSD 87331
Thread Starter
Intermediate
Joined: Dec 2006
Posts: 48
Likes: 13
Thread Starter
Intermediate
Joined: Dec 2006
Posts: 48
Likes: 13
Burning Brakes
Joined: Oct 2014
Posts: 1,057
Likes: 339
Right now it’s hooked to ground. I have it set to 6400 and use it as a rev limiter. I didn’t like the way the car performed when shifting my auto in manual mode. If first is held too long the factory limiter lets the car fall on its face before it will shift to second. I assume fuel cut at red line? The MSD box uses spark so as soon as I hear the limit I can pull the up paddle and it will shift into second.
After I do heads and cam a tune will be able to raise the red line as well as delete DOD. I will then start using the auto as god intended. I’ll then attach the box to the brake light switch and use as a tunable launch controller.
After I do heads and cam a tune will be able to raise the red line as well as delete DOD. I will then start using the auto as god intended. I’ll then attach the box to the brake light switch and use as a tunable launch controller.
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Thread Starter
Intermediate
Joined: Dec 2006
Posts: 48
Likes: 13
Right now it’s hooked to ground. I have it set to 6400 and use it as a rev limiter. I didn’t like the way the car performed when shifting my auto in manual mode. If first is held too long the factory limiter lets the car fall on its face before it will shift to second. I assume fuel cut at red line? The MSD box uses spark so as soon as I hear the limit I can pull the up paddle and it will shift into second.
After I do heads and cam a tune will be able to raise the red line as well as delete DOD. I will then start using the auto as god intended. I’ll then attach the box to the brake light switch and use as a tunable launch controller.
After I do heads and cam a tune will be able to raise the red line as well as delete DOD. I will then start using the auto as god intended. I’ll then attach the box to the brake light switch and use as a tunable launch controller.
Burning Brakes
Joined: Oct 2014
Posts: 1,057
Likes: 339
Yeah, they don’t really advertise those things for automatic cars but it will work. You can trigger it with 12v, a ground signal, or a switch. I’ve used them on other cars in the past. MSD really has some great products.