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Jt911c4s
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Joined: 13 Jul 2019
Posts: 6
Location: Warwickshire


PostPosted: Tue Aug 06, 2019 9:20 pm    Post subject: 997.1 c4S manual rolling road tuning question Reply with quote

Hi All,

Does anyone have any experience with rolling road running for a 911 997.1 C4S manual or something similar?

I've been thinking about getting the car to a rolling road just to see what kind of state the engine is in terms of BHP output at 94000 miles. Looking on Google most rolling roads seem to be associated with tuning facilities (re-chip).

P-Torque.co.uk in wolverhampton claim a 18Hp increase and another +20nm of torque.

Others similarly claim around 20-25Hp ...

Has anyone done this? Any downsides? Is it worth doing? Any recommendations in terms of where to go?

Thanks.
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911-997-C4S Gen1 07MY
 
  
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MisterCorn
Dijon


Joined: 08 Jan 2011
Posts: 7161
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Tue Aug 06, 2019 9:26 pm    Post subject: Reply with quote

I only trust rolling roads for tuning or for direct comparisons of mods. For engine power figures I would want to see numbers from an engine dyno.

MC
 
  
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Jt911c4s
Newbie


Joined: 13 Jul 2019
Posts: 6
Location: Warwickshire


PostPosted: Tue Aug 06, 2019 9:28 pm    Post subject: Reply with quote

MisterCorn wrote:
I only trust rolling roads for tuning or for direct comparisons of mods. For engine power figures I would want to see numbers from an engine dyno.

MC


So would you recommend a ECU remap as a worthwhile activity on a 997?
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John
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IMI A
Suzuka


Joined: 02 Aug 2014
Posts: 1241
Location: KHI


PostPosted: Wed Aug 07, 2019 4:56 am    Post subject: Reply with quote

Jt911c4s wrote:
MisterCorn wrote:
I only trust rolling roads for tuning or for direct comparisons of mods. For engine power figures I would want to see numbers from an engine dyno.

MC


So would you recommend a ECU remap as a worthwhile activity on a 997?


Absolutely not. You'll ruin her. If you want to dyno reach out to Litchfield Motorsport. They charge £90 or £100 + vat for a dyno run and have the best dyno in the UK. If you want to go faster buy a turbo or GT3 Wink
 
  
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Jt911c4s
Newbie


Joined: 13 Jul 2019
Posts: 6
Location: Warwickshire


PostPosted: Thu Aug 08, 2019 8:34 pm    Post subject: Reply with quote

IMI A wrote:
Jt911c4s wrote:
MisterCorn wrote:
I only trust rolling roads for tuning or for direct comparisons of mods. For engine power figures I would want to see numbers from an engine dyno.

MC


So would you recommend a ECU remap as a worthwhile activity on a 997?


Absolutely not. You'll ruin her. If you want to dyno reach out to Litchfield Motorsport. They charge £90 or £100 + vat for a dyno run and have the best dyno in the UK. If you want to go faster buy a turbo or GT3 Wink


Great thank you. One more job off the list Smile
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