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runner911
Original Poster
482 posts
112 months
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Had my DB9 for a few months now.Still trying to get to grips with the way the car handles.
When cornering at moderate speeds, 60,70 MPH , any decrease in power to the rear wheels results in fairly unpleasant oversteer giving the impression that the rear end is going to brake away at any second.
The car is running on Bridgestones and the tyre pressures are 36F 38R as per the handbook.
Anyone else with a DB9 find the rear end a little wayward/twitchy ?
My V8 Vantage was never like this and several 911's I owned previous to switching to AM never exhibited this degree of nervousness from the rear end.
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yeti
6,923 posts
144 months
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Your geometry needs resetting, no other explanation for it. The DB9 is an incredibly planted car with excellent handling, this isn't right at all.
What part of the country are you in? Someone on here will send you to one of the recommended independents to have it done, should be about £100-130.
It'll feel like a new car, hopefully you won't need tyres - you may do if the geo is a long way out...
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yvr
178 posts
15 months
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The back end of mine could get quite loose when the Bridgestones were getting near the end of their life (5+ years, 11K miles, 3mm tread). New rubber, no more problems.
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runner911
Original Poster
482 posts
112 months
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Yeti, I'm in Plymouth in darkest Devon.
Don't know of any independents down this way.
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v8woollie
2,419 posts
14 months
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runner911 said: Yeti, I'm in Plymouth in darkest Devon.
Don't know of any independents down this way. You don't need an Aston specialist. A decent tyre place with a Hunter, Hawkeye or similar machine and people that know how to set geometry can do the job. Had mine done at a tyre place near me that use a Hunter machine and they were just about spot on every factory spec after the set-up.
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blackice1
329 posts
39 months
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V8woolie i agree with 100%
But you must remember the DB9 is a completely different car to a V8 or 911 in terms of the handling.
look at a sports pack for the DB9 , or put some bags of sand in the boot :-)
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QP Noor
241 posts
91 months
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sportie
510 posts
120 months
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I had this feeling coming from a Sagaris to the DB9 and eventually I took it and had the alinement checked. Not one setting was correct and so after around and hour all measurements were spot on. The difference in feeling and confidence was amazing and it felt like a different car 
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