Longevity issues with aftermarket RMM?

redcivic19x

Senior Member
First Name
Josh
Joined
Oct 20, 2019
Threads
22
Messages
336
Reaction score
225
Location
FL
Vehicle(s)
2019 Honda Civic SI Sedan
Country flag
I'm looking to pull the trigger on the 27WON W1 turbo and figured I'd pick up their RMM as well (powers no good unless I can get the torque to the ground ;).

My question is about the longevity of my engine, transmission, etc. when using an aftermarket RMM. Is this something I need to worry about when upgrading to the RMM? Do I need to get any other mods to help secure the longevity of my engine and car components?

I just know with the engine no longer flexing, then that extra energy is going to be transferred to the rest of the vehicle components. This is my daily driver so retaining the longevity of the car components is very important to me. If anyone could shed some light or any info on this it would be greatly appreciated!

Thanks!
Sponsored

 

JO3L

Senior Member
First Name
Joel
Joined
Apr 17, 2018
Threads
6
Messages
387
Reaction score
379
Location
Southern California
Vehicle(s)
FC1E5, NA6CE
Country flag
I have the 27WON mount also and love it. One of the best things I did to the car besides a tune. The extra energy is now going into the chassis which is why you will feel more vibrations. The only thing I can possibly think is wearing out the rubber quicker in the other OEM engine mounts but that won’t happen anytime soon that you would need to worry about.
 

amirza786

Senior Member
First Name
A
Joined
Oct 4, 2018
Threads
87
Messages
3,854
Reaction score
3,947
Location
Northern California
Vehicle(s)
2022 Polestar 2, 2010 Lexus IS 350 Sport
Country flag
With the bigger turbo you can keep the engines longevity by limiting the boost. You don't need as much as you did with the smaller turbo. Spend your money on a good performance intercooler and tune...yes you will need a custom turn.

Remember, don't get greedy with boost, and your engine will love you
 

arpypat

Senior Member
Joined
Jun 29, 2019
Threads
38
Messages
2,661
Reaction score
3,900
Location
⛔️
Vehicle(s)
Civic
Build Thread
Link
Vehicle Showcase
1
Having a stiffer motor mount is better than having a broken motor mount! The stiffer one will help your engine stay in place, but vibrations will be transferred to the chassis and felt through the cabin.

I had a broken motor mount on an old car. It had like 4 mounts, so I had no idea that one was bad, but the extra flexing/movement caused a crack in my exhaust system. But onlt because I didn't have any flexpipe in the exhaust system, so it was pretty solid.

If you have concerns about longevity of your engine and transmission, then you wouldn't be changing to an aftermarket turbo! Haha jk. Enjoy your mods! :thumbsup:
 
OP
OP
redcivic19x

redcivic19x

Senior Member
First Name
Josh
Joined
Oct 20, 2019
Threads
22
Messages
336
Reaction score
225
Location
FL
Vehicle(s)
2019 Honda Civic SI Sedan
Country flag
I have the 27WON mount also and love it. One of the best things I did to the car besides a tune. The extra energy is now going into the chassis which is why you will feel more vibrations. The only thing I can possibly think is wearing out the rubber quicker in the other OEM engine mounts but that won’t happen anytime soon that you would need to worry about.
Thank you for the heads up! I’m a little nervous with how bad it’ll be initially, but hoping it breaks in nicely like everyone else’s seem to do. I’m kind of surprised that I don’t read more about RMMs here. I’m just so ready to eliminate the wheel hop when I do pulls in 2nd and 3rd, occasionally 4th.
 


OP
OP
redcivic19x

redcivic19x

Senior Member
First Name
Josh
Joined
Oct 20, 2019
Threads
22
Messages
336
Reaction score
225
Location
FL
Vehicle(s)
2019 Honda Civic SI Sedan
Country flag
With the bigger turbo you can keep the engines longevity by limiting the boost. You don't need as much as you did with the smaller turbo. Spend your money on a good performance intercooler and tune...yes you will need a custom turn.

Remember, don't get greedy with boost, and your engine will love you
definitely will keep that in mind! Yea I don’t want to go crazy with it. I’ve seen some people going 29+ psi to get some good numbers, but I just enjoy some spirited driving from time to time and the occasional 30/40 rolls on the street.

there’s something I like about having a “sleeping car” especially when I pull up next to chargers and mustangs. I’m just trying to achieve anywhere from 330-350 when it’s all said and done.

I’m going to be purchasing PRLs intercooler at about the same time and install that with the turbo. I’ve read a lot of people getting tuned by DROB, so once I get the flex fuel kit in I’ll probably go the etune route with him.
 
OP
OP
redcivic19x

redcivic19x

Senior Member
First Name
Josh
Joined
Oct 20, 2019
Threads
22
Messages
336
Reaction score
225
Location
FL
Vehicle(s)
2019 Honda Civic SI Sedan
Country flag
Having a stiffer motor mount is better than having a broken motor mount! The stiffer one will help your engine stay in place, but vibrations will be transferred to the chassis and felt through the cabin.

I had a broken motor mount on an old car. It had like 4 mounts, so I had no idea that one was bad, but the extra flexing/movement caused a crack in my exhaust system. But onlt because I didn't have any flexpipe in the exhaust system, so it was pretty solid.

If you have concerns about longevity of your engine and transmission, then you wouldn't be changing to an aftermarket turbo! Haha jk. Enjoy your mods! :thumbsup:
Danm I’m sorry to hear that lol. I’m hoping I won’t run into the troubles, but I’m just about to hit 10k after having the car for a year so I’m hoping I won’t run into that any time soon. I just want to ensure I’m doing everything properly, as I just started getting into modding later part of last year and I always like to verify with forum members before I pull the trigger. People on this forum have been fantastic when it comes to answering my question and providing knowledge.
Thanks for the great info!
 

PowerPerLiter

Specific Output
Joined
Jun 6, 2018
Threads
59
Messages
1,404
Reaction score
1,302
Location
Midwest
Vehicle(s)
2020 Si Coupe 91 Talon TSI AWD 6262 280's N20 and 87 Buick Regal T 6776bb built N20
Thank you for the heads up! I’m a little nervous with how bad it’ll be initially, but hoping it breaks in nicely like everyone else’s seem to do. I’m kind of surprised that I don’t read more about RMMs here. I’m just so ready to eliminate the wheel hop when I do pulls in 2nd and 3rd, occasionally 4th.
You dont hear about them alot because the vibrations are worse than most think and rather than post about it and it turn into a bicker fest, they end up either living with it and hope they brake in or they remove them. I am not sensitive to urethane mounts and it was so dramatic of a change I almost didnt make it out of my shop's parking lot before pulling back in to take it off. I lived with it until I raised my idle to 1100 and it was drastically reduced/eliminated except for the vibrations during decel (which varied in aggravation/intensity).

R owners experience will be different due to engine differences and flywheel/harmonic differences. The 1.5t though in my experience (and with reading the engineering that went into the mount design and how "difficult" it was to isolate said vibrations.) Its a fairly strong vibration. 1000-1300 and then its good but it absolutely will shake the dash to the point you may worry long term about rattles etc. (at least with the hasport 62a that I had) Other designs "can" be different but I would put money on the change being similar regardless of mount.

The inserts may be a better option but I am still leery.

My next move with mine is a factory R mount.
 
OP
OP
redcivic19x

redcivic19x

Senior Member
First Name
Josh
Joined
Oct 20, 2019
Threads
22
Messages
336
Reaction score
225
Location
FL
Vehicle(s)
2019 Honda Civic SI Sedan
Country flag
You dont hear about them alot because the vibrations are worse than most think and rather than post about it and it turn into a bicker fest, they end up either living with it and hope they brake in or they remove them. I am not sensitive to urethane mounts and it was so dramatic of a change I almost didnt make it out of my shop's parking lot before pulling back in to take it off. I lived with it until I raised my idle to 1100 and it was drastically reduced/eliminated except for the vibrations during decel (which varied in aggravation/intensity).

R owners experience will be different due to engine differences and flywheel/harmonic differences. The 1.5t though in my experience (and with reading the engineering that went into the mount design and how "difficult" it was to isolate said vibrations.) Its a fairly strong vibration. 1000-1300 and then its good but it absolutely will shake the dash to the point you may worry long term about rattles etc. (at least with the hasport 62a that I had) Other designs "can" be different but I would put money on the change being similar regardless of mount.

The inserts may be a better option but I am still leery.

My next move with mine is a factory R mount.
Myra I’ve heard the hasports are pretty rough, but I read up on the R&D docs from 27WON and everything seems to check out along with the other positive reviews I’ve seen for it. I think it just comes down to driver preference from what I’ve heard. I’ve seen where people love it and then people have switched back to OEM after a week because it was so bad (though these people probably didn’t allow proper break in).

So I figure worst case scenario I switch back to OEM. The RMM is only like $170 which I guess is pretty cheap compared to other mods lol.

I haven’t done any research in to the factory R mount. What are some benefits of that?
 

PowerPerLiter

Specific Output
Joined
Jun 6, 2018
Threads
59
Messages
1,404
Reaction score
1,302
Location
Midwest
Vehicle(s)
2020 Si Coupe 91 Talon TSI AWD 6262 280's N20 and 87 Buick Regal T 6776bb built N20
Myra I’ve heard the hasports are pretty rough, but I read up on the R&D docs from 27WON and everything seems to check out along with the other positive reviews I’ve seen for it. I think it just comes down to driver preference from what I’ve heard. I’ve seen where people love it and then people have switched back to OEM after a week because it was so bad (though these people probably didn’t allow proper break in).

So I figure worst case scenario I switch back to OEM. The RMM is only like $170 which I guess is pretty cheap compared to other mods lol.

I haven’t done any research in to the factory R mount. What are some benefits of that?
The R mount is already a higher durometer mount designed by Honda to handle the torque output of the R WHILE keeping nvh at minumum for a production car. Considering factory power output of the R is higher than most will ever even get out of an Si its very much something to consider at around 135.00 bucks.


Perfect option in my mind for me personally.
 


PowerPerLiter

Specific Output
Joined
Jun 6, 2018
Threads
59
Messages
1,404
Reaction score
1,302
Location
Midwest
Vehicle(s)
2020 Si Coupe 91 Talon TSI AWD 6262 280's N20 and 87 Buick Regal T 6776bb built N20
Also any worry of overloading the OTHER the mounts is reduced because the factory R mount will still function very similar to the factory mount (movement wise etc). It is basically the beefed up version of the factory Si mount.
 

amirza786

Senior Member
First Name
A
Joined
Oct 4, 2018
Threads
87
Messages
3,854
Reaction score
3,947
Location
Northern California
Vehicle(s)
2022 Polestar 2, 2010 Lexus IS 350 Sport
Country flag
The R mount is already a higher durometer mount designed by Honda to handle the torque output of the R WHILE keeping nvh at minumum for a production car. Considering factory power output of the R is higher than most will ever even get out of an Si its very much something to consider at around 135.00 bucks.


Perfect option in my mind for me.
And I can tell you from first hand experience, the R does a very good job when it comes to NVH. In fact I was surprised how quiet it is, and how it isolates you from rough roads. Under hard acceleration, it does a good job delivering the feeling of power with no vibration or unpleasantries
 
OP
OP
redcivic19x

redcivic19x

Senior Member
First Name
Josh
Joined
Oct 20, 2019
Threads
22
Messages
336
Reaction score
225
Location
FL
Vehicle(s)
2019 Honda Civic SI Sedan
Country flag
The R mount is already a higher durometer mount designed by Honda to handle the torque output of the R WHILE keeping nvh at minumum for a production car. Considering factory power output of the R is higher than most will ever even get out of an Si its very much something to consider at around 135.00 bucks.


Perfect option in my mind for me personally.
interesting. I’m going to have to do some research in to this because I’d very much like to retain the comfort ride of my car.

Is the type r mount designed to be plug-n-play with our civic si? can you provide a link to the mount?
 
OP
OP
redcivic19x

redcivic19x

Senior Member
First Name
Josh
Joined
Oct 20, 2019
Threads
22
Messages
336
Reaction score
225
Location
FL
Vehicle(s)
2019 Honda Civic SI Sedan
Country flag
And I can tell you from first hand experience, the R does a very good job when it comes to NVH. In fact I was surprised how quiet it is, and how it isolates you from rough roads. Under hard acceleration, it does a good job delivering the feeling of power with no vibration or unpleasantries
This might end up being a better option for me then. I’m only aiming for 330-350 hp (for right now) and I think a stock type r comes out at 305 so I wouldn’t have much worry about that longevity luckily. Just want to ensure I can get rid of that Danm wheel hop. Which I’m sure better tires will also help, but I’ve only got 10k on the tires and aren’t ready to give them up yet.
 

amirza786

Senior Member
First Name
A
Joined
Oct 4, 2018
Threads
87
Messages
3,854
Reaction score
3,947
Location
Northern California
Vehicle(s)
2022 Polestar 2, 2010 Lexus IS 350 Sport
Country flag
interesting. I’m going to have to do some research in to this because I’d very much like to retain the comfort ride of my car.

Is the type r mount designed to be plug-n-play with our civic si? can you provide a link to the mount?
Probably not, it's a different engine. It probably has to be modified

What do you think @LilToTo17 ? Can a Type R RMM be modified to fit on 10th Gen Civic Si L series?
Sponsored

 
Last edited:


 


Top