Furiokid

iTrader: (1)

Looking to upgrade my engine mounts.

Looking between the Hardrace ones and STI Group N uprated ones.

In anyone's opinion, which are the better ones to go for? Cars being used for fast road and track use

2pot

iTrader: (3)

http://www.vibra-technics.co.uk/suba..._mount_sti_wrx

Furiokid

iTrader: (1)

I did look at them, also looked at the Beatruch ones in the old group buy too.
Not sure how good they are?

2pot

iTrader: (3)

I much prefer the design of the vibra-technics mount.

trevsjwood

iTrader: (2)

I have the Vibra Technics, I can't see anything being better. I noticed slight cabin noise when first fitted but not anymore.
Trev

bro82

iTrader: (1)

I've got hardrace along with dog bone and gear box mount and I'm happy with that, as mentioned before there's a bit more cabin noise.

Furiokid

iTrader: (1)

Appreciate everyone's input. I'm not too fussed about cabin noise as the cars stripped out anyway for track use.
I couldn't really see much difference between vibratechnics design and Beatrush? Looking very similar and same price

bustaMOVEs

iTrader: (31)

They will all come with differ grade bushes, some firmer than others.
Either will be fine to do the job, me personally I'd either go for the group n ones or beatrush ones.
Will help if you brace everything else up, like dog bone, diffbrace, box mount, cradle mounts etc if track car.

2pot

iTrader: (3)

The Beatrush aren't rubber.

Text courtesy of Vibra-technics:

Why do you use rubber rather than urethane?

We use the best materials and technology available to get the job done!
Urethane is superior to rubber in its abrasion and chemical resistance which is why it’s used in tyres for fork lift trucks, mud flaps etc. OEMs sometimes use it for suspension bump stops because of its abrasion resistance. It is also much more economic to manufacture because it's also available as a pourable resin, so mould tooling is much cheaper. Rubber moulding requires specialist injection mould tools and high temperature high pressure moulding machines.

For engine mounting applications natural rubber or natural/synthetic blended rubber is superior to urethane in every respect. Critical characteristic are:-

# Temperature range
# Resilience (stiffness/damping ratio)
# Creep and permanent set (permanent deformation)
# Elongation
# Bond strength

One of the many critical weaknesses of urethane as an engine mounting material is the change in characteristics across a temperature range, in particular its resilience. The engine bay is subject to extreme temperature ranges. Urethane is unstable under these conditions. This is why OEMS never use urethane for a primary engine mounting system.

We are the experts. Our policy is a no compromise, ultimate engine mount solution. If urethane was the best stuff to use, we would use it!

imprezagaz

iTrader: (2)

Got the hard race on mine along with dog bone and gearbox mount. Cheaper to buy it all in a set. When I got them I was told there very similar to the group n ones

2pot

iTrader: (3)

Pics and text courtesy of Perrin




Take a look at this above picture. This shows the same mount, but you can see how the main mounting flange (chassis side) is bent. This is showing that the engine has enough twisting force that it’s actually bending the mount before the rubber tears away from it.

This mount design is the same as Hardrace.

Furiokid

iTrader: (1)

Appreciate the input guys

Furiokid

iTrader: (1)

Well I've opted to go for the Hardrace ones after reading people's reviews and looking at costings