SI transmission in a Sport hatch project

hatchboost

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Great write up good read can’t wait to get an si tranny for my sport as well !



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I ended up buying an mfactory LSD and have that installed. Total cost would be around $1.6k for parts and labor. Including clutch install.
Fx300 -$260
MF LSD - $700
Shop Labor - $900


That's awesome. The LSD is my favorite mod that I have done to my car. The one wheel peel fest was really lame and turning under hard throttle with the lsd is a night and day difference in my opinion.

If I were you I would stay away from the fx350 with the stock flywheel. That's what I'm running and it started slipping at 30000 miles. I have around 33000 on it now and it's slipping so bad that I quit running e85 and set boost by gear to 10psi in 4th, 5th and 6th just to get it to stop slipping.
What clutch are you planning to switch to?
I have an fx300 clutch waiting to be installed along with the LSD. After reading your post, Im nervous now.
 
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Shadowfighter

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I ended up buying an mfactory LSD and have that installed. Total cost would be around $1.6k for parts and labor. Including clutch install.
Fx300 -$260
MF LSD - $700
Shop Labor - $900




What clutch are you planning to switch to?
I have an fx300 clutch waiting to be installed along with the LSD. After reading your post, Im nervous now.
I switched to Eman's type r retro fit.
 
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I switched to Eman's type r retro fit.
hes got a site to order it right?
can you share me the link please.
Whats the turn around time? I think Im going to switch to Emans type R clutch
 
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Shadowfighter

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hes got a site to order it right?
can you share me the link please.
Whats the turn around time? I think Im going to switch to Emans type R clutch
https://www.naperformanceftw.com/ctr-clutch-retro/10thgen-si-hatchback-clutch-and-flywheel-kit

I did the core return option. Ordered on April 3rd, received clutch on May 1st. If you do the no core return option it should be faster.

Two things to note about the core return.

-Include a note or something so he knows who sent the core.

-I only received $242, I'm sure it was just a PayPal fee but I would of liked it better if he said the core refund is 242 not 250.
 

suhhh

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I know I'm super late to this post but sick build man!! First successful post I've seen of an si tranny swap into a hatch even though there might be more. How's it holding up after these years?
 
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Shadowfighter

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I know I'm super late to this post but sick build man!! First successful post I've seen of an si tranny swap into a hatch even though there might be more. How's it holding up after these years?
It's holding up great. It's my favorite mod that I've done to the car.
 
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I decided I liked the sound of the exhaust better with the middle exhaust pipe open. So I had a pipe welded in to make the 3rd exhaust tip functional.

I am really happy with how it sounds at the moment. I'm also happy about the middle exhaust tip being functional. It really bugged me that the middle exhaust tip was just for looks. I have been asked several times "what does the middle tip do?" and it just feels so lame telling them its just for looks.
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How did the exhaust sound when you remove the mid resonator and plugged it?
How does it sound now with an open resonator?
 
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Install my si trans with Emmans type R retro clutch and did a eibach front sway bar while I was in there along with spoon rigid collars...night and day definitely a must on these kars you don’t know how important LSD is until you get it thanks again @Shadowfighter for making this thread

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Romeoridgee

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I don’t know why I didn’t look at this sooner. But the same manual trans casing is in all Honda civics 2016+ and accord 2018+ 1.5 and 2.0 non turbo. Not the accord 2.0 or Ctr. It’s possible to fit the si trans in the base model sedans too.

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