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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCH996 rear subframe bushes
Leading reported evidence
Install (like 3 days ago) fitted new rear tyres
Performed · outcome unconfirmed
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0
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1
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Read evidence and context
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Performed · outcome unconfirmed · Original poster
I have also just fitted (like 3 days ago) fitted new rear tyres, which seems to have helped.
Leading evidence: 'Install (like 3 days ago) fitted new rear tyres' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check geometry' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed · Original poster
Yes, I changed the engine mounts this spring, it absolutely transformed the handling.
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Suggestion
Have you gone through the suspension and checked the geometry?
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Suggestion
Ah ok, before ripping out the subframe - did you already change the engine and gearbox mounts?
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15 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261026T165820Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
If you mean the bushes that attach the subframes to the chassis, you'll be lucky to find the OEM parts...they are not listed separately from the subframe - most people are fitting solid bushes (like me!)
Powerflex do poly bushes in 2 stiffness ratings :
link
Or if you really insist on OEM, it's probably easiest to buy a used pair of subframes.
I’m trying to fix the floaty back end, previous threads on here suggested rebushing the rear subframe. (For example:
https://911uk.com/threads/996-turbo-suspension-upgrade.125077/#post-2690996
)
Ah ok, before ripping out the subframe - did you already change the engine and gearbox mounts?
(With my car, changing the engine mounts had the biggest effect - it was shocking
)
Yes, I changed the engine mounts this spring, it absolutely transformed the handling. Took it from outright dangerous to ok.
Got the gearbox mount on order with Porsche, will be doing that this autumn, but figured I might as well do all the underneath stuff in one go.
It sounds like you should take the car to a suspension specialist for an inspection of the components and an alignment :
Center Gravity
String Theory Garage
Suspension Secrets
I’ve gone through that process, took it to CG when I bought it and they diagnosed the dampers as knackered but everything else ok (all the lower suspension arms have either been replaced by the previous owner or me within the last 4 years). To my surprise new dampers didn’t fix it, engine mounts helped a lot, so now looking at other things. I have also just fitted (like 3 days ago) fitted new rear tyres, which seems to have helped.
Next up is upper rear arms, my mechanic said it looked like the bushes have compressed a little, I was fairly sure they previous owner had done them recently (or I’d have done them by now) but it won’t hurt to change them.
After that I might look at getting it aligned by a specialist again..or maybe just eBay the damn thing. Thanks for the recommendations for suspension specialists
