Welcome to 911UK
The only place for Porsche, 911uk is the definitive enthusiast and resource site for the Porsche 911.
Registration is fast, simple and absolutely free, so join up today for full access to the site and benefit from latest member offers.

Porsche Classifieds
Porsche Buyers Guides
Sell Your Porsche on 911uk
Create a Free Classified Advert
Search Ads
Classified Adverts FAQ
Trade Classified Information
Buyer & Seller Fraud Protection
Pre Purchase Inspection (PPI)
Porsche Car Sourcing
Porsche Cars Wanted
Model
Stock
Porsche 911
991 : 2011- 8
997 : 2004- 67
996 : 1997-2005 42
993 : 1993-1998 8
964 : 1989-1993 0
Carrera 3.2 : 1983-1989 0
Carrera SC : 1977-1983 0
930 Turbo : 1975-1989 1
Early 911 : 1964-1977 0
Porsche Other Models
Classic : 1950-1965 0
Boxster : 1997- 15
Cayman : 2005- 16
Cayenne : 2003- 10
Macan : 2014- 1
Panamera : 2009- 1
912-914-924-928-944-968 4
959 - CarreraGT - RaceCar 0
Car Parts For Sale & Wanted
Other Items For Sale & Wanted
Wheels Tyres For Sale & Wanted
Number Plates For Sale Wanted

Porsche Services
Porsche Body Shop Repair
Paint Protection & Body Wrapping
Porsche Classic Insurance
Porsche Classic Parts
Porsche Classic Restoration
Porsche Design Collection
Porsche Engine Gearbox Rebuild
Porsche Heritage & History
Porsche News
Porsche Picture Gallery
Win a New Porsche 911

Porsche Parts
Body Parts, Body Styling
Brakes, Clearance
Electrical, Exhausts
Engine Cooling, Engine Electrical
Engine Rebuild, Heating Cooling
Interior Incar, Lighting
Rubber Seals, Service Parts
Steering, Suspension
Transmission, Workshop Tools
Early 911, 911 - 930, 928 - 968
964 - 993, 996 - 997, Boxster
Cayman, Cayenne, Panamera

Porsche Model Range
911 [991] 2011-Current
Porsche 911 [991]
911 [997] 2004-Current
Porsche 911 [997]
911 [GT] GT1-GT2-GT3
Porsche 911 [GT]
911 [996] 1997-2005
Porsche 911 [996]
911 [993] 1993-1998
Porsche 911 [993]
911 [RS] RS-RSR
Porsche 911 [RS]
911 [964] 1989-1993
Porsche 911 [964]
911 3.2 1983-1989
Porsche 911 3.2 Carrera
911 SC 1977-1983
Porsche 911 SC
911 [Early] 1964-1977
Porsche 911 [Early]
Boxster & Cayman
Porsche Boxster & Cayman
Cayenne & Panamera
Porsche Cayenne & Panamera

911uk Site Partners

Post new topic   Reply to topic
Author Message
Kryton
Monza


Joined: 05 Mar 2005
Posts: 205
Location: Coniston, Lake District


PostPosted: Wed Apr 19, 2017 10:51 am    Post subject: Do Hartech know something Porsche don't ? Reply with quote

My new GT3 will have a 4.0 engine and given what I've read on here, Hartech are going to offer a 3.9 and I'm sure I read on the forum that they don't recommend going to 4.0?

Just hope this isn't going to be another 996/997.1 example for my 4.0 engine where Hartech new better than Porsche? Question
_________________
991.2 GT3 in a few months

991.2 Targa 4S
Past, a few Porsche models
 
  
View user's profile Send private message
   
adamw
Paul Ricard


Joined: 09 Jul 2009
Posts: 3468
Location: West Sussex

2002 Porsche 996 Turbo

PostPosted: Wed Apr 19, 2017 11:02 am    Post subject: Re: Do Hartech know something Porsche don't ? Reply with quote

Kryton wrote:
My new GT3 will have a 4.0 engine and given what I've read on here, Hartech are going to offer a 3.9 and I'm sure I read on the forum that they don't recommend going to 4.0?

Just hope this isn't going to be another 996/997.1 example for my 4.0 engine where Hartech new better than Porsche? Question


I would imagine the new GT3 units are more than strong enough for 4.0 and the "don't recommend going to 4.0" was aimed at m96/m97 (996/997.1) units.
_________________
02' 996 Turbo Manual Coupe, Seal Grey

EX : 95' 993 C4 Coupe ( Dec 10 - Oct 16 )
EX : 00' 996 C2 Cab ( Jul 09 - Oct 10 )
EX : 03' 986 Boxster S ( May 06 - Dec 08 )
 
  
View user's profile Send private message
   
infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 6903
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Wed Apr 19, 2017 11:15 am    Post subject: Reply with quote

It's a totally different generation of engine so the same principles don't apply, the GT3 is designed as a 4.0 where as the M96 isn't and is being modified to it limits (including brakes and cooling) to make it 3.9.
_________________
http://euroroadtripper.blogspot.co.uk/

 
  
View user's profile Send private message Visit poster's website
   
krispe
Monza


Joined: 05 Feb 2014
Posts: 174
Location: Northampton


PostPosted: Wed Apr 19, 2017 1:10 pm    Post subject: Reply with quote

I take it the original post is just a bit of fun Wink

Hartech is referring to bore size for a M96/97 engine. The engine was originally designed as a 2.5 to begin with, (Porsche boxster). Stretching the bore out to 101mm (4.0L) could affect reliability. The GT3 engine is completely different design so 4.0 is not an issue.
_________________
Seal Grey 997S - Now 3.9L engine with Hartech liners! Eibachs, H&R Rollbars,equal length manifolds, 200cel cats, RSS mounts
 
  
View user's profile Send private message
   
GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30130
Location: Hertfordshire and Hampshire


PostPosted: Wed Apr 19, 2017 1:45 pm    Post subject: Re: Do Hartech know something Porsche don't ? Reply with quote

Kryton wrote:
My new GT3 will have a 4.0 engine and given what I've read on here, Hartech are going to offer a 3.9 and I'm sure I read on the forum that they don't recommend going to 4.0?

Just hope this isn't going to be another 996/997.1 example for my 4.0 engine where Hartech new better than Porsche? Question


I wouldn't worry, what are the odds you will keep it beyond the warranty?

Collect this one and the same day place the order for the next one.
Repeat until there is no premium
_________________
 
  
View user's profile Send private message
   
911tom
Barcelona


Joined: 22 May 2012
Posts: 1495
Location: Buckinghamshire


PostPosted: Wed Apr 19, 2017 1:57 pm    Post subject: Reply with quote

Hmmm the IMS will take a pounding! I think Porsche are of the assumption these cars will never actually get used so no one will ever know Very Happy


All joking aside it is a completely different engine to the M96/M97 as others have mentioned above.
_________________
996 Turbo - Link to my 3.8L turbo build thread
2011 Cayenne
2009 Ariel Atom 3 Supercharged
350Bhp astra van for work Surprised
 
  
View user's profile Send private message
   
GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30130
Location: Hertfordshire and Hampshire


PostPosted: Wed Apr 19, 2017 2:01 pm    Post subject: Reply with quote

It's the RMS I worry about, and the D-chunking
_________________
 
  
View user's profile Send private message
   
Kryton
Monza


Joined: 05 Mar 2005
Posts: 205
Location: Coniston, Lake District


PostPosted: Wed Apr 19, 2017 3:29 pm    Post subject: Re: Do Hartech know something Porsche don't ? Reply with quote

GT4 wrote:
Kryton wrote:
My new GT3 will have a 4.0 engine and given what I've read on here, Hartech are going to offer a 3.9 and I'm sure I read on the forum that they don't recommend going to 4.0?

Just hope this isn't going to be another 996/997.1 example for my 4.0 engine where Hartech new better than Porsche? Question


I wouldn't worry, what are the odds you will keep it beyond the warranty


18 months from new probably.

I know the new engine has titanium conrods and solid lifters but I thought the engine block would be the same casting (knowing Porsche's tight nature)

I'm a retired builder not an engineer.Smile
_________________
991.2 GT3 in a few months

991.2 Targa 4S
Past, a few Porsche models
 
  
View user's profile Send private message
   
alex yates
Shanghai
Shanghai


Joined: 06 Mar 2014
Posts: 10385
Location: Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Wed Apr 19, 2017 3:33 pm    Post subject: Reply with quote

........ and I'm in the wrong job!
_________________
2000 Manual 996 C4 Arctic Silver Convertible

 
  
View user's profile Send private message
   
GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30130
Location: Hertfordshire and Hampshire


PostPosted: Wed Apr 19, 2017 9:06 pm    Post subject: Re: Do Hartech know something Porsche don't ? Reply with quote

Kryton wrote:
GT4 wrote:
Kryton wrote:
My new GT3 will have a 4.0 engine and given what I've read on here, Hartech are going to offer a 3.9 and I'm sure I read on the forum that they don't recommend going to 4.0?

Just hope this isn't going to be another 996/997.1 example for my 4.0 engine where Hartech new better than Porsche? Question


I wouldn't worry, what are the odds you will keep it beyond the warranty


18 months from new probably.

I know the new engine has titanium conrods and solid lifters but I thought the engine block would be the same casting (knowing Porsche's tight nature)

I'm a retired builder not an engineer.Smile


To be fair to Porsche, apart from the initial 991.1 GT3 run gremlins, they have all used bullet proof engines, either Mezgers or the 997.2 derived DFI (MA1) blocks.
_________________
 
  
View user's profile Send private message
   
Display posts from previous:   
Post new topic   Reply to topic   All times are GMT - 11 Hours
Page 1 of 1

 
Jump to:  

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You can attach files in this forum
You can download files in this forum
You cannot post calendar events in this forum