Re: IPB-Autosport 996 GT3 4 Liter
 

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font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} </style> <![endif]--> Case cleaned and ready to go. Main and intermediate shaft bearings go in, followed by the crankshaft assembly.

https://lh5.googleusercontent.com/-v...k/s800/124.jpg

Crank is in. Porsche coat hanger special tool supports the new timing chains. Oil pump is also in.

https://lh5.googleusercontent.com/-V...4/s800/125.jpg
https://lh3.googleusercontent.com/-V...I/s800/126.jpg

Tensioning the oil pump nuts.

https://lh4.googleusercontent.com/-z...c/s800/127.jpg

Time to glue the case.

https://lh5.googleusercontent.com/-V...g/s800/128.jpg

Cleanliness is the key to getting a perfect seal.

https://lh5.googleusercontent.com/-o...c/s800/129.jpg
https://lh4.googleusercontent.com/-y...s/s800/131.jpg

Spread it with a brush.

https://lh6.googleusercontent.com/-U...k/s800/130.jpg

Other case half is on.

https://lh6.googleusercontent.com/-b...o/s800/132.jpg

Special tools are required to properly seat the through-bolt seals.

https://lh3.googleusercontent.com/-o...w/s800/133.jpg

The through bolts are tensioned.

https://lh4.googleusercontent.com/-u...E/s800/134.jpg

Then the nuts around the case perimeter.

https://lh6.googleusercontent.com/-u...U/s800/135.jpg

The case is now put together. Next step… pistons.

Re: IPB-Autosport 996 GT3 4 Liter
 

The center piston is attached to the rods first… The outer pistons are inserted into the liners before attachment to the rods. Unfortunately, with non OEM size pistons or wrist pins, the factory tools are useless. This is where the challenge is.

https://lh6.googleusercontent.com/--...U/s800/136.jpg

The housing is slid on with the outer two liners already in.

https://lh6.googleusercontent.com/-c...c/s800/137.jpg

Of course the cylinders are stuffed to prevent the wrist pin clip from falling into the engine as you struggle to attach it.

https://lh3.googleusercontent.com/-c...I/s800/138.jpg
https://lh3.googleusercontent.com/-c...Y/s800/139.jpg

At least you can use the factory tool to slide the inner sleeve in. Let me reiterate how difficult it was to get these rings in. Extra hands were necessary.

https://lh3.googleusercontent.com/-J...I/s800/140.jpg
https://lh5.googleusercontent.com/-f...A/s800/141.jpg

One bank done, on to the next one.

https://lh6.googleusercontent.com/-6...w/s800/142.jpg
https://lh6.googleusercontent.com/-D...M/s800/143.jpg
https://lh5.googleusercontent.com/-h...w/s800/144.jpg

Center sleeve to go…

https://lh6.googleusercontent.com/-l...8/s800/145.jpg
https://lh6.googleusercontent.com/-a...A/s800/146.jpg

In frustration, time to do something easy. Chain housings and guides.

https://lh6.googleusercontent.com/-w...w/s800/147.jpg
https://lh4.googleusercontent.com/-f...I/s800/148.jpg

Last one to go…

https://lh4.googleusercontent.com/-X...s/s800/151.jpg

All pistons are in as of 8pm tonight. Thank god.

https://lh6.googleusercontent.com/-F...Q/s800/152.jpg
https://lh5.googleusercontent.com/-u...Q/s800/153.jpg

In the meantime…I had my stock 996 intakes port matched to the 997 cup heads.

https://lh4.googleusercontent.com/-9...c/s800/154.jpg
https://lh3.googleusercontent.com/-M...A/s800/155.jpg
https://lh3.googleusercontent.com/-t...U/s800/156.jpg

996 intake plenum. Note that this will NOT be replaced with the snake oil IPD intake.

https://lh3.googleusercontent.com/-M...w/s800/157.jpg

And the 997 throttle body just came in today too!

https://lh5.googleusercontent.com/-N...Q/s800/158.jpg

997 throttle body measures in at 84mm.

https://lh6.googleusercontent.com/-z...k/s800/159.jpg

996 plenum is only 78mm. Back to the machine shop…

https://lh4.googleusercontent.com/-W...A/s800/160.jpg

Re: IPB-Autosport 996 GT3 4 Liter
 

Time to install the cam housings. On top of new seals between the chain housings and cam housings, a layer of Drei Bond is applied to ensure there are no leaks.

https://lh3.googleusercontent.com/-Z...M/s800/161.jpg

Brand new lifters (tappets) are soaked in Swepco and positioned.

https://lh4.googleusercontent.com/-t...s/s800/162.jpg

Cams are placed with the cylinder 1 lobes on the exhaust and intake cams facing each other. The crank is just off TDC. Porsche special tool is utilized to prevent the chain from falling in.

https://lh3.googleusercontent.com/-D...k/s800/163.jpg

Cam gears are positioned onto the cams. This is where we realize we received Cup intake cam bolts, which are half the length (no variable valve timing on cup). We will time bank 1 once we get the bolts and then move on to bank 2.

https://lh4.googleusercontent.com/-p...A/s800/164.jpg

We’re getting close to having a complete long block.

Re: IPB-Autosport 996 GT3 4 Liter
 

Thank you once again for all the information. How much of a difference will there be in the engine mounting points do you think and will there be any modifications to the engine bay to fit it?

Re: IPB-Autosport 996 GT3 4 Liter
 

The engine will fit just as it did before. Once it's all put together, there really won't be any visual cues that identify it as not stock.

Re: IPB-Autosport 996 GT3 4 Liter
 

Any progress? DO keep us posted... Thanks!

Re: IPB-Autosport 996 GT3 4 Liter
 

Haven't had a chance to keep this thread up to date, but we just recently had the engine's first start up:

http://www.youtube.com/watch?v=d-Js9-BAJ64

Re: IPB-Autosport 996 GT3 4 Liter
 

How's the project going? Is the car driving yet? How is it? Curious car nuts wanna know!

-Christian