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MK7 "Random / "Stupid" Questions Thread"

Nineeightyone

Go Kart Newbie
Location
USA
Car(s)
2019 GTI | 2004 JSW
BFI's Stage 1 dogbone insert is pretty low on the totem pole in terms of effectiveness. It doesn't even have the upper inserts that BFI's Stage 2 insert has. I wouldn't do any insert that lacks an upper portion for the upper voids in the upper OEM bushing.

If your car is a manual, the Hybrid bushing really doesn't increase NVH too much as long as you keep the revs at like 1500+ when taking off. You'll get some vibes rolling in 1st/2nd gear in traffic. But in all other circumstances it'll feel fine, only now every time you shift you will experience sublime solidity in the drivetrain. As people describe it, you feel the engine/trans "set" in place when you clutch in/out, whereas stock you just feel it all bounce around.

If you're DSG and the vibrations scare you, I would stick to inserts and forgo the hybrid bushing.
Thanks, this is the kind of input I'm after.

In reading, it sounds like the 'upper' portions of the mounts require the subframe to be lowered/dropped in order to install, which I'm trying to avoid, as they're stretch bolts (and yes, I'm lazy and don't want to drop the subframe until I decide to do a FSB). And yes, 6MT.

Definitely not concerned about excessive vibrations, considering that most folks feel stage 1 all around are too much. Am I incorrect that the hybrid Powerflex mount requires the subframe to be lowered/a clamp needs to be rigged up to install a hybrid-style mount?

Do you (or anyone else reading) have a suggestion for an ideal mount insert, I'd love to hear it. I know I'm being whiny about putting in some work, but I'm trying to be smart about when I take certain things apart/make certain upgrades -- if the subrame has to come down, then I'll put off the hybrid mount until subframe deadset kit and FSB time, so I don't have to repeatedly deal with stretch bolts.

Thank you again!
 

Dog Dad Wagon

Autocross Champion
Location
Innnnn West Philadelphia...
Car(s)
19 Alltrack 6MT
Thanks, this is the kind of input I'm after.

In reading, it sounds like the 'upper' portions of the mounts require the subframe to be lowered/dropped in order to install, which I'm trying to avoid, as they're stretch bolts (and yes, I'm lazy and don't want to drop the subframe until I decide to do a FSB). And yes, 6MT.

Definitely not concerned about excessive vibrations, considering that most folks feel stage 1 all around are too much. Am I incorrect that the hybrid Powerflex mount requires the subframe to be lowered/a clamp needs to be rigged up to install a hybrid-style mount?

Do you (or anyone else reading) have a suggestion for an ideal mount insert, I'd love to hear it. I know I'm being whiny about putting in some work, but I'm trying to be smart about when I take certain things apart/make certain upgrades -- if the subrame has to come down, then I'll put off the hybrid mount until subframe deadset kit and FSB time, so I don't have to repeatedly deal with stretch bolts.

Thank you again!

I do not believe hybrid insert requires you to drop the subframe. It just requires cutting the lower insert out. The hybrid REPLACES the lower bushing, and inserts into the voids in the upper bushing.

I could be wrong though, it may require dropping the subframe.

I have APR Lower Steel insert and 034 Upper aluminum inserts on otherwise stock mounts and I'd bet that, if you went a similar route you'd be pretty happy with it. You already have the BFI uppers which will work really well in conjunction with the inserts.

And if you got sick of that, or felt performance decrease over time, you could then do the hybrid bushing down the line when you do the FSB.
 

Nineeightyone

Go Kart Newbie
Location
USA
Car(s)
2019 GTI | 2004 JSW
I do not believe hybrid insert requires you to drop the subframe. It just requires cutting the lower insert out. The hybrid REPLACES the lower bushing, and inserts into the voids in the upper bushing.

I could be wrong though, it may require dropping the subframe.

I have APR Lower Steel insert and 034 Upper aluminum inserts on otherwise stock mounts and I'd bet that, if you went a similar route you'd be pretty happy with it. You already have the BFI uppers which will work really well in conjunction with the inserts.

And if you got sick of that, or felt performance decrease over time, you could then do the hybrid bushing down the line when you do the FSB.
Thanks, this is great info! Cutting out the OEM mount is a little bit committal, but I can get behind that. I'll look into a DIY on the hybrid bushing (as the instructional PDFs don't seem to want to open for me, but that's a whole different animal) and if everything can be done without too much issue, I'll go the Powerflex route. I'm a big fan of their strut bushings on my mk4, and they generally seem to offer excellent products.

Edit, for anyone else who's interested, I found this thread: https://www.golfmk7.com/forums/inde...ing-the-powerflex-hybrid-dogbone-puck.351452/

ShopDap has a youtube video with an install DIY:
 
Last edited:

Ezekiel81923

Drag Racing Champion
Location
Royersford, PA
Car(s)
2019 Volkswagen GTI
Thanks, this is great info! Cutting out the OEM mount is a little bit committal, but I can get behind that. I'll look into a DIY on the hybrid bushing (as the instructional PDFs don't seem to want to open for me, but that's a whole different animal) and if everything can be done without too much issue, I'll go the Powerflex route. I'm a big fan of their strut bushings on my mk4, and they generally seem to offer excellent products.


Can confirm, Powerflex hybrid mount is just cutting out the bottom puck. No need to drop the subframe. It's real easy.

I went with the "Race" variant which is the stiffest of the three replacements they offer. As stated, the hybrid replaces the entire lower puck and acts as an insert for the upper puck.

It feels right.
 

KevinC

Autocross Champion
Location
The land of Wyatt Earp & Doc Holliday
Car(s)
'19 Golf R, '08 Z4MC
Not in the 7.5, but you can swap the early mk7 overhead cluster to gain them. I hear the they're mildly tricky to retrofit, but not overly difficult. Like a 2-3/10, from reading. I haven't done it personally, but I can dig for the part number/diy on here if you'd like.
The Golf R didn't lose the backlighting on the 7.5, so perhaps the R part would be a better solution than an earlier GTI part in this case? Maybe it's even the same part? Somebody has probably done this and can chime in.
 

StorableComa

Autocross Champion
Location
Long Beach, USA
Car(s)
17 GSW S
Thanks, this is great info! Cutting out the OEM mount is a little bit committal, but I can get behind that. I'll look into a DIY on the hybrid bushing (as the instructional PDFs don't seem to want to open for me, but that's a whole different animal) and if everything can be done without too much issue, I'll go the Powerflex route. I'm a big fan of their strut bushings on my mk4, and they generally seem to offer excellent products.

Edit, for anyone else who's interested, I found this thread: https://www.golfmk7.com/forums/inde...ing-the-powerflex-hybrid-dogbone-puck.351452/

ShopDap has a youtube video with an install DIY:
If you don't want to completely remove your OEM lower dog bone mount but want to fill the uppers, Powerflex makes an Insert:
https://www.powerflexusa.com/shop/p...-front-lower-engine-mount-insert-large-a-2891
https://www.powerflexusa.com/shop/p...t-lower-engine-mount-insert-large-type-b-2436

These fill the upper and lower voids without replacing the whole lower puck. And are in the 45 dollar range rather than 70ish for the hybrid.
 

Dog Dad Wagon

Autocross Champion
Location
Innnnn West Philadelphia...
Car(s)
19 Alltrack 6MT
Thanks, this is great info! Cutting out the OEM mount is a little bit committal, but I can get behind that. I'll look into a DIY on the hybrid bushing (as the instructional PDFs don't seem to want to open for me, but that's a whole different animal) and if everything can be done without too much issue, I'll go the Powerflex route. I'm a big fan of their strut bushings on my mk4, and they generally seem to offer excellent products.

Edit, for anyone else who's interested, I found this thread: https://www.golfmk7.com/forums/inde...ing-the-powerflex-hybrid-dogbone-puck.351452/

ShopDap has a youtube video with an install DIY:

yes, cutting it is quite committal lol. But the inserts damage the stock rubber bushing over time, reducing the initial performance improvement. There’s at least one guy on here who, after 60K miles or so, dropped his subframe and replaced the upper and lower OEM Dogbone bushings, and installed new 034 lower and upper inserts lol. He swore by the balance of comfort and performance and was willing to deal with that kind of maintenance.

I went with APR insert because I’m APR plus, and also know that when the APR insert eats the lower bushing to pieces I will replace it with the hybrid puck
 

StorableComa

Autocross Champion
Location
Long Beach, USA
Car(s)
17 GSW S
yes, cutting it is quite committal lol. But the inserts damage the stock rubber bushing over time, reducing the initial performance improvement. There’s at least one guy on here who, after 60K miles or so, dropped his subframe and replaced the upper and lower OEM Dogbone bushings, and installed new 034 lower and upper inserts lol. He swore by the balance of comfort and performance and was willing to deal with that kind of maintenance.

I went with APR insert because I’m APR plus, and also know that when the APR insert eats the lower bushing to pieces I will replace it with the hybrid puck
Some of the early metal inserts are known the bend as well. I think the powerflex or an insert is a good choice. Go insert if you're not looking to remove the lower puck. You can get a stage 1 insert like BFI that just fills the lowers, or a upper and lower insert like the non hybrid powerflex. I believe EuroCode makes a upper and alower insert along with ECS and some others.
 

Dog Dad Wagon

Autocross Champion
Location
Innnnn West Philadelphia...
Car(s)
19 Alltrack 6MT
Some of the early metal inserts are known the bend as well. I think the powerflex or an insert is a good choice. Go insert if you're not looking to remove the lower puck. You can get a stage 1 insert like BFI that just fills the lowers, or a upper and lower insert like the non hybrid powerflex. I believe EuroCode makes a upper and alower insert along with ECS and some others.

true - the poly inserts will not do the damage to your factory dogbone bushings that the metal inserts will.

so I would suggest Powerflex Insert. Looks and functions very similar to the Hybrid, just doesn’t replace the lower.
 

El_bigote_AJ

Autocross Champion
Location
Las Vegas
Car(s)
2019 GTI bunny
Im on the hybrid 70a right now... before that i ran:

1.lower metal insert alone - works good but minimal benefit to me. tiny level of extra NVH
2 Lower metal with the upper metal - literally ZERO difference from drivers perspective.
3.Spulen extreme 90A insert (same hardness and design as bfi stage 2) - super solid with zero movement. but the NVH were extreme, (very unpleasant for me)

now with the 70A hybrid the tightness is i would say 90% of #3 above - but the NVH is that of the metal insert, its hands down my favorite option.
 

Ghost GTI

Go Kart Champion
Location
Cockpit
Car(s)
'19 GTI SE DSG
If you don't want to completely remove your OEM lower dog bone mount but want to fill the uppers, Powerflex makes an Insert:
https://www.powerflexusa.com/shop/p...-front-lower-engine-mount-insert-large-a-2891
https://www.powerflexusa.com/shop/p...t-lower-engine-mount-insert-large-type-b-2436

These fill the upper and lower voids without replacing the whole lower puck. And are in the 45 dollar range rather than 70ish for the hybrid.
I currently have the 034 upper and lower. If I was to remove both, I'd just need to get that lower insert?
 

Dog Dad Wagon

Autocross Champion
Location
Innnnn West Philadelphia...
Car(s)
19 Alltrack 6MT
I currently have the 034 upper and lower. If I was to remove both, I'd just need to get that lower insert?

Yep. Though I’ve seen someone trim the powerflex and retain the 034 upper with the powerflex lower
 

Gray_Panther

Go Kart Champion
Location
NY
Car(s)
GTi
Electric power steering
With our cars getting up there in mileage, any service need to get done to prolong the life?
Or is it a stupid question because it is an electric motor and replace the electric motor when it fails?
 
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