» TPC Racing Forum | TPC Racing is committed to the development and advancement of Porsche Sports Cars. Championship winning experience derived from over 20 years of engine and suspension development brings us the ability to utilize the capabilities of the greatest cars ever built. Translating our ingenuity and experience from the daily driver to the Grand Am race teams is our passion and goal as enthusiasts and engineers.
TPC has been recognized for building the world's fastest Caymans, utilizing forced induction to give the car what it deserved to have from the factory.
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10-04-2011, 02:50 PM
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Country: | | | TPC Racing: Boxster Spyder Transplant As you may have seen in previous threads, we had a "mystery" engine waiting to go into a Boxster Spyder. The time has come, and the transplant has begun! There were a lot of components to move around on the engine and custom tooling had to be made.Today was a huge milestone as the first start up occurred this afternoon.
More details to come soon!
Stock engine coming out
Out of the crate and ready to begin the transformation to go into the Boxster Spyder | 
10-04-2011, 03:14 PM
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Country: | | | Re: TPC Racing: Boxster Spyder Transplant like, very like
__________________ Casey Parkin : Washington, DC Porsche of Silver Spring
301.890.4684 (Call for Porsche Sales Related Questions)
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10-05-2011, 09:20 AM
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Posts: 491
Country: | | | Re: TPC Racing: Boxster Spyder Transplant What motor is this???  is this the 3.8 L DFI 408 HP GTS motor?  |  |  |  | | DFI |  | Direct Fuel Injection (DFI), is a new technology that Porsche states can cut fuel consumption by up to 15 percent, while increasing power by up to 13 percent. DFI cuts emissions by warming up the catalytic converter more quickly, and ensures a sharper throttle response. Better for your right foot - and the planet, then.
DFI allows much more precise measurement of fuel supply and injection at pressures up to 120 bar; it has numerous combustion modes, with different cycles for cold-starting, low-speed driving and performance driving.
As the name suggests, DFI injects fuel directly into the individual combustion chambers, instead of the intake manifold. The injector valves have an electromagnetic mechanism that controls each injection with astonishing precision, while a high-pressure pump provides the necessary pressure—up to 1,740 psi—to accompany the rapid fire of the fuel injection.
Precise geometry of the injector’s position and its spray pattern is a key factor in helping to improve power, torque and emissions of the engines. The specific placement of the fuel as it enters each chamber creates a swirl that improves the air/fuel mixture, and therefore the overall combustion process.
At engine speeds up to 3500 rpm, a double-injection process is used. In this mode, the required fuel volume is delivered in two successive injections per working stroke. The resulting benefits include faster catalyst warm-up and increased torque in the upper load range.
By forming the air/fuel mix directly in the combustion chamber, DFI contributes to engine cooling. As a result, it is possible to increase the compression ratio and with it the power and efficiency of the engine.
The direct injection process is continuously adjusted. The engine management system reads changes to throttle inputs and performance requirements and, as you drive, the air/fuel mix is monitored and adapted as required. Oxygen sensor circuits within the exhaust system provide accurate emissions control. | |  |  |  |  |
__________________ JCO CST
Last edited by jcocx; 10-06-2011 at 08:45 AM.
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10-05-2011, 11:17 AM
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TPC Balboni... 3.7L Cayman turbo S for sale | 
10-05-2011, 01:46 PM
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Country: | | | Re: TPC Racing: Boxster Spyder Transplant Note in the image of the engine hanging from the chains that the intake is pointed towards the pulleys as it is in a 997, but by the time shown in the installed position it looks like it has been turned around... which of course it would have to be, but what's involved with that... | 
10-05-2011, 02:26 PM
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Country: | | | Re: TPC Racing: Boxster Spyder Transplant
Originally Posted by K-Man S Note in the image of the engine hanging from the chains that the intake is pointed towards the pulleys as it is in a 997, but by the time shown in the installed position it looks like it has been turned around... which of course it would have to be, but what's involved with that... |
GT3 3.8 water cooled engine?
__________________ 2010 Black Cayman (Deceased)
2012 Cararra White Cayman R and Black 2011 Cayenne V6 | 
10-05-2011, 09:32 PM
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Country: | | | Re: TPC Racing: Boxster Spyder Transplant
Originally Posted by dave-t GT3 3.8 water cooled engine? | Looks a lot like GT3 engine.
__________________ Chris 2008 Boxster S : Speed Yellow : FVD tuned : Fabspeed headers & race cats : Remus race exhaust : Eibach springs : 19" Champion RG5 : Laser Interceptor + V1 : PFC 08/06 for DE
1998 Audi A4 : Brilliant Yellow : K04 turbo : Scorpion catback : Koni shocks : H&R springs : Boxster brakes : BBS RK
Tracks : Mt Tremblant : Sebring : Lime Rock Park : Watkins Glen : Homestead Miami : PBIR | 
10-07-2011, 11:15 AM
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Posts: 5,266
Country: | | | Re: TPC Racing: Boxster Spyder Transplant
Originally Posted by lithium1330 Looks a lot like GT3 engine. | I know we all dream of a GT3 heart, but think of the work that would require.
Cayman tachometer would catch on fire.
So they would have to install a fire suppression system.
Every time you rev'd into the 8000 rpm range, foam would spew all over the place...or Halon would need be released.
If they use Halon, that mean you need a cockpit oxygen system. Now I DID snap this pic at TPC when they were testing the first Cayman/ GT3 hybird they built. Here is Casey or Mike. Hard to tell which one. Seems to confirm that Halon is being used.
__________________ 2007 Speed Yellow Cayman GT 2.7 (retired)
2008 Guards Red Cayman GT 3.4 (retired)
2012 Carrara White Cayman R
"Carpe Cayman" | 
10-07-2011, 01:27 PM
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Posts: 423
Country: | | | Re: TPC Racing: Boxster Spyder Transplant We are just starting to get some miles on the car now and then on Monday I will have a write up and more pictures to post about how much work went into converting the new engine to work in the Spyder! | 
10-07-2011, 01:49 PM
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Country: | | | Re: TPC Racing: Boxster Spyder Transplant Well Mike did graduate from Embry Riddel...
__________________ Casey Parkin : Washington, DC Porsche of Silver Spring
301.890.4684 (Call for Porsche Sales Related Questions)
Sales & any other Porsche Questions you might have! cparkin@mileone.com
Happy to pull your VIN options if you make a $5 Donation to the Alzheimers Association | 
10-08-2011, 07:43 AM
|  | Member of Northeast Group | | Join Date: Sep 2007 Location: New Jersey
Posts: 491
Country: | | | Re: TPC Racing: Boxster Spyder Transplant Looking forward to the write up. Correct me if I am wrong but this is the 408 HP DFI motor from the current GTS NOT a GT3 motor...  |  |  |  | | DFI |  | Direct Fuel Injection (DFI), is a new technology that Porsche states can cut fuel consumption by up to 15 percent, while increasing power by up to 13 percent. DFI cuts emissions by warming up the catalytic converter more quickly, and ensures a sharper throttle response. Better for your right foot - and the planet, then.
DFI allows much more precise measurement of fuel supply and injection at pressures up to 120 bar; it has numerous combustion modes, with different cycles for cold-starting, low-speed driving and performance driving.
As the name suggests, DFI injects fuel directly into the individual combustion chambers, instead of the intake manifold. The injector valves have an electromagnetic mechanism that controls each injection with astonishing precision, while a high-pressure pump provides the necessary pressure—up to 1,740 psi—to accompany the rapid fire of the fuel injection.
Precise geometry of the injector’s position and its spray pattern is a key factor in helping to improve power, torque and emissions of the engines. The specific placement of the fuel as it enters each chamber creates a swirl that improves the air/fuel mixture, and therefore the overall combustion process.
At engine speeds up to 3500 rpm, a double-injection process is used. In this mode, the required fuel volume is delivered in two successive injections per working stroke. The resulting benefits include faster catalyst warm-up and increased torque in the upper load range.
By forming the air/fuel mix directly in the combustion chamber, DFI contributes to engine cooling. As a result, it is possible to increase the compression ratio and with it the power and efficiency of the engine.
The direct injection process is continuously adjusted. The engine management system reads changes to throttle inputs and performance requirements and, as you drive, the air/fuel mix is monitored and adapted as required. Oxygen sensor circuits within the exhaust system provide accurate emissions control. | |  |  |  |  |
__________________ JCO CST | 
10-19-2011, 03:42 PM
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Posts: 491
Country: | | | Re: TPC Racing: Boxster Spyder Transplant Any news on this?
__________________ JCO CST | 
10-19-2011, 04:29 PM
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Posts: 42
Country: | | | Re: TPC Racing: Boxster Spyder Transplant Don't keep us hanging like this | 
10-19-2011, 11:29 PM
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Posts: 555
Country: | | | Re: TPC Racing: Boxster Spyder Transplant Subscribed. If it's a Mezger, Oh-my-god! | 
10-20-2011, 03:44 PM
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Country: | | | Re: TPC Racing: Boxster Spyder Transplant
Originally Posted by ChrisF If it's a Mezger, Oh-my-god! | It's not. Other than that, I won't spoil Harris' story. | 
10-20-2011, 04:20 PM
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Posts: 5,266
Country: | | | Re: TPC Racing: Boxster Spyder Transplant Nothing can live up to the hype at this point.
This is a PR fail, guys.
3.8 GT3 motor installed is the only thing that warrants the suspense.
__________________ 2007 Speed Yellow Cayman GT 2.7 (retired)
2008 Guards Red Cayman GT 3.4 (retired)
2012 Carrara White Cayman R
"Carpe Cayman" | 
10-20-2011, 07:27 PM
|  | Porsche Enthusiast | | Join Date: Jan 2011 Location: MA
Posts: 214
Country: | | | Re: TPC Racing: Boxster Spyder Transplant I don't know guys! Must have been a catastrophic engine failure. Or maybe it blew up!  Only thing I can think of for the delay. All hype - no substance? | 
10-20-2011, 09:54 PM
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Posts: 1,909
Country: | | | Re: TPC Racing: Boxster Spyder Transplant It's a direct injection engine. a 400hp 3.8L in a spyder will be sweet. Better than a GT3
__________________ Daily Driven CS Supercar "Leaps GT3's In A Single Bound" | 
10-20-2011, 10:55 PM
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Country: | | | Subscribed!!!
__________________ Richard | 
10-21-2011, 06:49 AM
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Posts: 423
Country: | | | Re: TPC Racing: Boxster Spyder Transplant Sorry for the delay. There have been huge updates made to the car. One being a new suspension concept that we will release more information about in the future.
As for the engine, it is a 3.8 DFI GTS engine. There was a tremendous amount of work put into converting it to work in the Spyder. In order to do this, custom tooling was made and even custom fabrication to the engine block. We have not released the full details yet, and Mike has advised me to keep all of the big specific details waiting for right now until everything is officially tested.
I can say though for right now, this car is UNREAL!!! Stay tuned for more updates coming within the next week.  |  |  |  | | DFI |  | Direct Fuel Injection (DFI), is a new technology that Porsche states can cut fuel consumption by up to 15 percent, while increasing power by up to 13 percent. DFI cuts emissions by warming up the catalytic converter more quickly, and ensures a sharper throttle response. Better for your right foot - and the planet, then.
DFI allows much more precise measurement of fuel supply and injection at pressures up to 120 bar; it has numerous combustion modes, with different cycles for cold-starting, low-speed driving and performance driving.
As the name suggests, DFI injects fuel directly into the individual combustion chambers, instead of the intake manifold. The injector valves have an electromagnetic mechanism that controls each injection with astonishing precision, while a high-pressure pump provides the necessary pressure—up to 1,740 psi—to accompany the rapid fire of the fuel injection.
Precise geometry of the injector’s position and its spray pattern is a key factor in helping to improve power, torque and emissions of the engines. The specific placement of the fuel as it enters each chamber creates a swirl that improves the air/fuel mixture, and therefore the overall combustion process.
At engine speeds up to 3500 rpm, a double-injection process is used. In this mode, the required fuel volume is delivered in two successive injections per working stroke. The resulting benefits include faster catalyst warm-up and increased torque in the upper load range.
By forming the air/fuel mix directly in the combustion chamber, DFI contributes to engine cooling. As a result, it is possible to increase the compression ratio and with it the power and efficiency of the engine.
The direct injection process is continuously adjusted. The engine management system reads changes to throttle inputs and performance requirements and, as you drive, the air/fuel mix is monitored and adapted as required. Oxygen sensor circuits within the exhaust system provide accurate emissions control. | |  |  |  |  | |  | | | Thread Tools | | | | Display Modes | Linear Mode |
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