Iirc the difference between group a and group n Peugeot sport mounts is just the lower mount being alloy on the group a's and hard rubber on group n's and with the group a kit you also get a fork bush aswell I've not seen one with the group a kit
i have driven with the vibratechnics fast road mounts and the Peugeot sport group n mounts
when i had the vibratechnics fast road upper mounts fitted, i had a Peugeot sport group n lower, and the vibrations were minimal tbh im pretty sure there wasnt much more than a powerflex causes, but yet it felt so much better than a powerflex lowr and standard uppers, it drove great and was still nice on long journeys and i drove the car 5-6 days a week doing roughly 300 miles over 1 and a half weeks and it was very tolerable, and felt really solid still
i then thught id try a peugeot sport group a lower since it was kocking around in the garage with the spoox uppers still, and vbrations ddnt increase much and felt even more solid still was vry tolerable
i then had the peugeot sport uppers and group n lower, as i got them ata great price from a mate and thought id try them as i sold my vibratechnics ones for the same money so broke even really too
now with the peugeot sport group n set, i actually have alot more vibration than i even did with the group a lower and vibratechnics uppers lol, but I don't think it felt much different If any from the vibratechnics uppers and group a lower
i only drove my car twice maybe 3 times a week anyway and roughly 300miles in a month maybe, so i didnt mind the extra vibration and noise i think if it was a daily i may get a bit sick of it, plus the omp inox exhaust isnt exactly what you call quiet either lol
But Also with the design of the vibratechnics, you don't need buffers at all
I've been to their site and had a few tests done on the mounts too, they also explained alot to me which is very helpful.
Their mounts are designed to have minimal movement backwards forwards and side to side, but they have a rubber buffer there which allows movement up and down only about 2-3mm but it's this movement that helps prevent the vibration but still keep the solidness.
Where as the Peugeot sport ones are just hard rubber, so not as much up n down movement which there tests proved, which is why the Peugeot sport ones vibrate more, but the vibratechnics had less movement backwards and forwards
The vibratechnics lower mount was also stiffer than the Peugeot sport group n lower.
Oh and forgot to say don't mix and match mounts I.e bakerbm upper gearbox side an vibratechnics ecu side, I did this and found out the hard way, I had it on the rollers at the time and I noticed the engine was twisting, there was a he'll of a lot less movement ecu side compared to gearbox side, I also had a knocking noise too low down when I let off (it probably happened higher in the revs too but couldn't here it) and when changing gear, so I changed it to a matching fast road vibratechnics one and all clunking went, I was also back on the rollers a couple weeks later changing cam timing again and there was no movement gearbox side this time
That's my bit anyway lol.
Sorry it's an essay haha
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