freevolvos
Active member
- Joined
- Jan 5, 2011
- Location
- hillpoint
No no I agree with you lol
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I dont like how you have the SS cable sandwiched between the aluminum and the steel. That will for sure wear out the Aluminum engine mounting bracket
If you want to do something similar. Go around the outside so the mounting surfaces can sit flat.
You aren't taking vibration into account.
You also can try straps like ones on the hydraulic mounts in the picture.
None of the issues that were presented can be determined by looking at them without taking them apart. Also 4000 miles is a barely a test.
It looks like the exhaust side crimp has failed?
How much HP are you pushing through them? Manual or automatic?
The geometry of those mounts just sucks. Too narrow - close to the crank centerline, they don't have as much leverage to work with against driveline torque. And angled backward - to balance against the trans mount pushing forward. It works with stock HP levels... barely.
If you use a ratchet strap you can keep squishy soft mounts on them, but all the added stress of a 1st gear turbo-assisted launch goes through the ratchet strap - which is located on the top of the engine, about as far from the crank centerline as possible under the hood.
Not too much of a stretch to say -- and this doesn't happen very often -- that Porsche got it from GM.
Skills = money, and the concept competes against a $5 harbor Fright ratchet strap.