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997 - first impressions

stuarts

Active member
Joined
15 Sep 2017
Messages
40
So,
I picked up the 997 as mentioned here: http://911uk.com/viewtopic.php?t=123126&sid=8a2f5fe9292ec3f0a1f1253ba6f82d98

First impressions, wow, what a great car!
I thought with the Shrick cams, GT3 throttle body and remap it might be a bit woolly, but it pulls ok. I sat in crawling traffic for half an hour going through the Blackwall Tunnel and it was just fine.

Short shift isn't a problem, only for the first couple of shifts of a morning, just take it slow and ease into the slot and it's fine.

Brakes - spot-on, nothing to say.

Only thing I've noticed is, hitting the throttle hard, the car slightly torque steers (or feels like that) and pulls to the left. Sudden lift-off and it dips slightly to the right.
Not sure if this is down to worn dampers, suspension arm wear, engine mounts or just the LSD?

Any thoughts out there?
Cheers!
 
Any handling issues I'd recommend seeing a specialist like Centre Gravity. You'll get a magnificent car back i can assure you. I had a misbehaving car until I saw him. 10/10
 
Agreed these cars handle much better with a full geo. :thumb: great to hear your happy with it, looks like a lovely car. :grin:
 
FZP said:
Any handling issues I'd recommend seeing a specialist like Centre Gravity. You'll get a magnificent car back i can assure you. I had a misbehaving car until I saw him. 10/10
+1 Chris is very good.
 
The car was actually set up by Centre Gravity a couple of years ago.
Steers & tracks like a dream.
I wonder if it's soft engine mounts?
 
stuarts said:
The car was actually set up by Centre Gravity a couple of years ago.
Steers & tracks like a dream.
I wonder if it's soft engine mounts?

Check age, wear, pressures and manufacturer of the tyres :thumb:

Mine was the same and thought it was the character of the 911 until I put new Michelins on.

Old Pirelli's had about 2 to 3 mm on.

Porsche recommends to change tyres at 3 mm I believe.
 
stuarts said:
So,
I picked up the 997 as mentioned here: http://911uk.com/viewtopic.php?t=123126&sid=8a2f5fe9292ec3f0a1f1253ba6f82d98

First impressions, wow, what a great car!
I thought with the Shrick cams, GT3 throttle body and remap it might be a bit woolly, but it pulls ok. I sat in crawling traffic for half an hour going through the Blackwall Tunnel and it was just fine.

Short shift isn't a problem, only for the first couple of shifts of a morning, just take it slow and ease into the slot and it's fine.

Brakes - spot-on, nothing to say.

Only thing I've noticed is, hitting the throttle hard, the car slightly torque steers (or feels like that) and pulls to the left. Sudden lift-off and it dips slightly to the right.
Not sure if this is down to worn dampers, suspension arm wear, engine mounts or just the LSD?

Any thoughts out there?
Cheers!

After 92,000miles probably needs a suspension and bushing refresh.

First time I've heard the tearm "Torque Steer" used on a rear wheel drive car.....lol
 
Alfaian said:
stuarts said:
The car was actually set up by Centre Gravity a couple of years ago.
Steers & tracks like a dream.
I wonder if it's soft engine mounts?

Check age, wear, pressures and manufacturer of the tyres :thumb:

Mine was the same and thought it was the character of the 911 until I put new Michelins on.

Old Pirelli's had about 2 to 3 mm on.

Porsche recommends to change tyres at 3 mm I believe.
I should have been more specific, but you description of rear steer under acceleration was an issue I had due to an alignment issue. It may have had a knock to create the issue. The tyre pressure and tread depth is highly relevant as 2psi on mine makes it feel broken.
If you're in range of CG, it would be worth a health check as I don't think Chris would have gone to the effort of a geo if there was evidence that the suspension components were getting towards EOL anytime soon.
I've not had any experience with engine mounts so can't comment.
 
Tyres are Michelin Super Sport tread on rears about 5mm, pressures were 33 & 32 rears and 30 on the fronts.
Can't imagine 1psi would be the issue!

When the car was at CG, they did check over all the susp and changed a few track rod ends only.
 
Go put some air in those tyres. It's way down. Love to hear your thoughts once they're properly filled. :thumb:
 
Ah, now that's made a difference!
Have gone 33/40.
Can't believe I made such a school boy error in not thinking tyre pressures first :lol:
 
You're not on minimum pressure yet on the front, 34 psi. c'mon chop chop. :hand:
 

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