Mishimoto
Senior Member
- Joined
- Dec 8, 2015
- Threads
- 25
- Messages
- 699
- Reaction score
- 1,898
- Location
- New Castle, DE
- Vehicle(s)
- 2017 CTR #1254
- Thread starter
- #1
Hey Guys!
Just wanted to bump this up again with a full update! For the full write-up, make sure you head over to our Engineering Blog!
The newest Si sets itself apart from the standard EX-T. The aggressive new styling, 18” alloys, and sporty interior let everyone know that you’re not driving just a Civic. The improvements don’t stop there. Along with the enhanced styling, the Si also gets a helical limited slip differential to evenly distribute the extra 25 horses and added torque to the front wheels. Under the hood, however, one might take note that the L15B7 powering the updated Si is the same powerplant that can be found throughout the Civic line, which begs the question, why does it need its own intake?
The answer is actually pretty simple. As many of you probably already know, Honda has traditionally equipped their spiced up Civic with the same powerplant as the base models but with some extra goodies. In the 10th generation, one of those tweaks includes a different MAF sensor, which means we needed to devise a new housing that would play nicely with the different sensor. Luckily, with the amount of development we already completed on the 1.5T Civic, our engineer already had a plan.
You can see that, for the most part, the two housings are pretty similar. The Si's new housing stands slightly taller and boasts a larger sensor opening. With the housing sorted it was time to get testing. We always start with road testing. In order to confidently advertise the "No Tune Required" feature, we need to make sure that our new design keeps the fuel trims in check. After our standard 1000 mile test we can proudly say that we were able to keep the check engine light at bay, and now we moved to the dyno.
For a look at the results, make sure you head over to the Engineering Blog! Also, we're planning on dropping a link for our presale very soon, so keep an eye out!
As always, feel free to ask any questions you might have!
-Nick
Just wanted to bump this up again with a full update! For the full write-up, make sure you head over to our Engineering Blog!
The newest Si sets itself apart from the standard EX-T. The aggressive new styling, 18” alloys, and sporty interior let everyone know that you’re not driving just a Civic. The improvements don’t stop there. Along with the enhanced styling, the Si also gets a helical limited slip differential to evenly distribute the extra 25 horses and added torque to the front wheels. Under the hood, however, one might take note that the L15B7 powering the updated Si is the same powerplant that can be found throughout the Civic line, which begs the question, why does it need its own intake?
The answer is actually pretty simple. As many of you probably already know, Honda has traditionally equipped their spiced up Civic with the same powerplant as the base models but with some extra goodies. In the 10th generation, one of those tweaks includes a different MAF sensor, which means we needed to devise a new housing that would play nicely with the different sensor. Luckily, with the amount of development we already completed on the 1.5T Civic, our engineer already had a plan.
You can see that, for the most part, the two housings are pretty similar. The Si's new housing stands slightly taller and boasts a larger sensor opening. With the housing sorted it was time to get testing. We always start with road testing. In order to confidently advertise the "No Tune Required" feature, we need to make sure that our new design keeps the fuel trims in check. After our standard 1000 mile test we can proudly say that we were able to keep the check engine light at bay, and now we moved to the dyno.
For a look at the results, make sure you head over to the Engineering Blog! Also, we're planning on dropping a link for our presale very soon, so keep an eye out!
As always, feel free to ask any questions you might have!
-Nick
Sponsored
