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993camperman
Newbie


Joined: 14 Jul 2017
Posts: 1



PostPosted: Fri Jul 14, 2017 12:40 pm    Post subject: Can I turn off the rear spoiler on a 993? Reply with quote

Hey all,

I'm new to the forum – I met a couple of you guys in Donnington – I was randomly staying at the Donnington Castle hotel and the organiser (sorry forgot his name) gave me free tickets – I rocked up late in my 993 Targa!

I'm looking at setting up a couple of suction handle lifts (normally used for carrying glass) on the back of my targa to attach a small suitcase / luggage rack. (Going camping in august.)

Quick question – Can you turn off the rear spoiler?
(i.e. stop it from raising up when driving to stop it from hitting my retro-fit luggage rack.)

Many thanks in advance – great to be here!
Rob
 
  
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madge
Nürburgring


Joined: 29 Dec 2015
Posts: 384
Location: Hampshire


PostPosted: Fri Jul 14, 2017 12:59 pm    Post subject: Reply with quote

I'm sure that there would be some way of disabling it (relevant fuse maybe?) but it might not be such a good idea to do so.

My understanding is that the raised spoiler aids the cooling of the engine and therefore with the spoiler down and a suitcase over the top you could cause the engine to overheat.

I'm no mechanic though, so all of the above could be hogwash. Dont know
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Current: 993 Carrera Coupé, Manual, Varioram
Previous: 987 Cayman S
 
  
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ColinC
Imola


Joined: 16 May 2013
Posts: 845
Location: Sunny Central Scotland


PostPosted: Fri Jul 14, 2017 1:00 pm    Post subject: Reply with quote

Yes - unplug the control module located under the dash in the passenger footwell - not sure if the any warning lights will illuminate.

Good luck with the camping and welcome to the forum thumbsup
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94 993 C2 - Black with Marble Grey Leather
 
  
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Chris993C2
Montreal


Joined: 09 Mar 2010
Posts: 600
Location: South Bucks


PostPosted: Fri Jul 14, 2017 4:45 pm    Post subject: Reply with quote

Personally I'd unplug the spoiler motor itself - easier to get to, and you can be 100% sure that you've disabled it...
 
  
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ToreB
Approved Trader


Joined: 13 May 2010
Posts: 526
Location: Oslo, Norway


PostPosted: Fri Jul 14, 2017 6:35 pm    Post subject: Reply with quote

Unplug the spoiler control module. This will disable warning light and spoiler motor. Unplugging the motor will cause the warning light to lit.
However, the official Porsche information says that the spoiler is needed when driving at higher speeds to ensure engine cooling and grip. I guess you will not reach speeds with a luggage rack on board.
Cheers,
Tore
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Bergvill F/X
Porsche electronics specialists, products and repair services.
 
  
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911UK
Porsche Community
Porsche Community


Joined: 15 May 2002
Posts: 9140
Location: 911UK

1997 Porsche 993 Carrera 2

PostPosted: Mon Jul 17, 2017 9:48 pm    Post subject: Re: Can I turn off the rear spoiler on a 993? Reply with quote

993camperman wrote:
Hey all,

I'm new to the forum – I met a couple of you guys in Donnington – I was randomly staying at the Donnington Castle hotel and the organiser (sorry forgot his name) gave me free tickets – I rocked up late in my 993 Targa!

I'm looking at setting up a couple of suction handle lifts (normally used for carrying glass) on the back of my targa to attach a small suitcase / luggage rack. (Going camping in august.)

Quick question – Can you turn off the rear spoiler?
(i.e. stop it from raising up when driving to stop it from hitting my retro-fit luggage rack.)

Many thanks in advance – great to be here!
Rob


Good to meet up.

Talk about right place right time, your 993 at the Donington hotel car park full of Porsche's

Very Happy
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ballcock
Sepang


Joined: 22 Jul 2008
Posts: 2815
Location: Dublin

1996 Porsche 993 Carrera 2

PostPosted: Tue Jul 18, 2017 9:32 pm    Post subject: Reply with quote

Careful with this one camperman.
The cars natural aerofoil shape creates lift, especially over the rear wheels. The spoiler kills the lift.
It's possible your rack would do the same BUT it's also possible the airflow will go under the rack, increase in speed due to Venturi effect and actually increase lift making the rear wheels loose traction at any speed above 50mph (around the speed Porsche origally decided the spoiler need to deploy to kill lift)
I think I'd make sure the gap between the rack and the boot is blocked some way.
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'96 Iris C2 vario manual coupe, Koni FZD's/M033's RSR's and HID's.
'83 W460 LWB G Wagen updated with OM602 engine and 6 speed 'box ...My daily driver

Ex. '99 996 C2 manual coupe.
 
  
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stuttgartmetal
Indianapolis


Joined: 23 Feb 2009
Posts: 2312
Location: Caterham. Surrey


PostPosted: Thu Aug 03, 2017 12:28 am    Post subject: Reply with quote

And don't, repeat, do not, carry any helium filled party balloons in it if you're going over fifty mph.
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