034 vs. HPA dogbone mount- performance improvement vs Vibration

Cool Hand Pete · May 19, 2018

Someone help me understand why the sound of the engine is different with the dogbone mount insert? I heard this was the case but was still surprised when I drove mine after installing the 034.

I can’t understand how reducing movement would translate to a different sound. Thoughts?

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bluedoggiant · May 20, 2018

Cool Hand Pete said:
Someone help me understand why the sound of the engine is different with the dogbone mount insert? I heard this was the case but was still surprised when I drove mine after installing the 034.

I can’t understand how reducing movement would translate to a different sound. Thoughts?

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Vibrations through the chassis

Cool Hand Pete · May 20, 2018

bluedoggiant said:
Vibrations through the chassis

This morning on the way to church I kind of guessed that was it. It’s a pleasing kind of vibration. Thanks!

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PLF8593 · May 20, 2018

Can anyone chime in for me? This is probably a stupid question, but I can't tell from HPA's website. So the APR and Roc-Euro pendulum mounts have 3 bolting locations, 2 on the transmission housing and 1 for the dogbone. Does the HPA mount also have 3? or does it have 2 (one for the dogbone mount, and one for the trans casing) ??

THEREALVRT · May 20, 2018

GolfWang said:
Can anyone chime in for me? This is probably a stupid question, but I can't tell from HPA's website. So the APR and Roc-Euro pendulum mounts have 3 bolting locations, 2 on the transmission housing and 1 for the dogbone. Does the HPA mount also have 3? or does it have 2 (one for the dogbone mount, and one for the trans casing) ??

3. just like the others

Pamwith2ms · Sep 23, 2018

Won't that sting?

KawaZukiVdub said:
You can lube it up w/some dish soap and water and it will go in.

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stbou · Mar 12, 2019

demi9od said:
I think he means he did dogbone and motor. Got vibes. 1K miles later did tranny and vibes were gone.

So are there 3 mounts?
1-engine mount
2-tranny mount
3-dogbone mount which is either
a) only an insert over the stock one (034 for example)
b) full replacement (HPA for example)

Trying to figure out what combination works best to not allow too much NHV but olding stg2

Thanks

CarlosCanizares · Mar 12, 2019

stbou said:
So are there 3 mounts?
1-engine mount
2-tranny mount
3-dogbone mount which is either
a) only an insert over the stock one (034 for example)
b) full replacement (HPA for example)

Trying to figure out what combination works best to not allow too much NHV but olding stg2

Thanks

You’re correct, but with “a)” there are actually an upper and lower inserts that 034 makes available.

stbou · Mar 12, 2019

CarlosCanizares said:
You’re correct, but with “a)” there are actually an upper and lower inserts that 034 makes available.

Ok, from what I see in the link below, most people are posting a pic of a bend LOWER insert. Looks like one should get both to avoid this issue right?

https://store.034motorsport.com/bil...-5-audi-a3-s3-rs3-mkiii-audi-tt-tts-ttrs.html

stbou · Mar 12, 2019

NellyGTI said:
Not happy with the 034 insert, great at first but faded quickly. Pulled it (pried it) out the other day to find this:

I’d only consider my car as OEM+ with a JB4 running map 1 / 2. Wheel hop was horrendous to the point I thought something else was wrong.

I’ve contacted 034 but I have a BFI insert on order as well.

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Please see my last post up here. They say the upper insert is required to prevent the lower one to bent
Did tou have? They even post a picture comparing with vs without the upper one.

I think i'm going to give a try the the pair

bheggelke · Mar 12, 2019

stbou said:
Ok, from what I see in the link below, most people are posting a pic of a bend LOWER insert. Looks like one should get both to avoid this issue right?

https://store.034motorsport.com/bil...-5-audi-a3-s3-rs3-mkiii-audi-tt-tts-ttrs.html

Yes. 034 states and demonstrates that you should have both to prevent damage. I installed both.

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stbou · Mar 12, 2019

bheggelke said:
Yes. 034 states and demonstrates that you should have both to prevent damage. I installed both.

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Install both without touching any other mounts? Make a noticeable difference?

bheggelke · Mar 13, 2019

stbou said:
Install both without touching any other mounts? Make a noticeable difference?

Yes, just upper and lower inserts. Definitely noticeable difference but after a while you tend to forget what OEM was like and all you end up noticing is the added NVH LoL. I initially liked the rawness and the growl when winding it out but I don't think it's for me long term.

I might pony up for the engine mounts and see if the firmness is there without the annoying NVH.

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stbou · Mar 13, 2019

Perhaps adding tranny/engine mounts REDUCE NHV, compared to dogbone insert alone. Would make sense somehow, given the the vibration could be absorb more "equally"
Hope someone could jump in and confirm us

gregsju29 · Mar 13, 2019

THEREALVRT said:
after putting some miles on it and raising the idle to 750 from 700 rpm thry vagcom the vibration is almost completely gone. just some vibration on cold starts but liveable.

I have the 034 dogbone, and made sure they installed to the proper 130 nm torque specs. I have zero NVH from day one. I think installing to the proper specs is imperative.

034 vs. HPA dogbone mount- performance improvement vs Vibration

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