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6SpeedOnline - Porsche Forum and Luxury Car Resource (https://www.6speedonline.com/forums/)
-   996 Turbo / GT2 (https://www.6speedonline.com/forums/996-turbo-gt2-2/)
-   -   What we Know about Rebuilding the 996TT Engine (https://www.6speedonline.com/forums/996-turbo-gt2/417863-what-we-know-about-rebuilding-996tt-engine.html)

brnrdtns 02-27-2018 08:53 AM
Bolts that come with the rods are good.

pwdrhound 02-27-2018 04:23 PM
Originally Posted by OK51MON (Post 4699885)
Thanks for reposting.


Where can I buy an RSR IMS crank?


With the carrillo rods do I need their bolts? My target is 800 bhp .
You can get an RSR IMS though Porsche Motorsport. You need an account with Porsche Motorsport to buy these parts. I have a brand new spare one if you decide to go that route. I also have a brand new Motorsport crank if you want one. It's the latest 991Cup crank manufactured in November 17. Unless you're building a track motor, these parts are not necessary.

Get the CARR bolts with the Carillo rods. If you go with the RSR crank, you will need Carillo to make custom 53/23mm rods for you. Pauter can make them also and they are very good.

RSR IMS
[url=https://flic.kr/p/GRQaHr]https://farm5.staticflickr.com/4528/...09f80226_b.jpg

Mark @ AIM Performance 03-02-2018 12:39 PM
Originally Posted by brnrdtns (Post 4699908)
The RSR crank has smaller journals and improved oiling. It is designed for sustained high RPM operation on a road course. You would need rods with smaller journals matched for this crank. If you are building a track rat motor then go with this setup. If not then the stock crank will hold 1000 hp no problem.
RSR crank has wider journals, improved oiling, counterweighed. nice improvement over turbo, but will require custom rods.


also if you do pauter rods and retain the stock oil pump, crank and ims you don't need to split the cases or clearance the oil pump. iw ould change all of those things out and def use the GT3 cup IMS.

Ck986 03-06-2018 08:52 PM
Was this an x50 motor?

OK51MON 03-07-2018 01:41 AM
No it was a low mileage k16 car

Ck986 03-07-2018 07:02 AM
I think if you look back over the years you'll find a few stories of 996tt that suffered the same fate. Not many, I would say no more than half a dozen. A few were 02x50's, that's why I asked.

Mark @ AIM Performance 03-08-2018 01:49 PM
Originally Posted by Ck986 (Post 4701580)
I think if you look back over the years you'll find a few stories of 996tt that suffered the same fate. Not many, I would say no more than half a dozen. A few were 02x50's, that's why I asked.
X50s just have a different oil pump

TTbob 03-21-2018 06:08 AM
Originally Posted by OK51MON (Post 4699648)
No Idea why it happened . The car is a Tiptronic.

I also want to cover my back when putting it back together to ensure it doesn't snap again.
how many miles were on the timing chain? In a past life I was a design engineer working on timing chain so I am very familiar with their design and failure modes.

OK51MON 03-21-2018 01:20 PM
12k miles

Fadi 03-21-2018 05:19 PM
Originally Posted by prodigymb (Post 4701844)
X50s just have a different oil pump
I know they were the same, turbo, x50/s and gt2 and only gt3s were different, are you sure about that? My car is X50 and still running original oil pump :D

brnrdtns 03-22-2018 03:40 AM
What have you decided to do?

Mark @ AIM Performance 03-28-2018 08:32 AM
Originally Posted by Fadi (Post 4704640)
I know they were the same, turbo, x50/s and gt2 and only gt3s were different, are you sure about that? My car is X50 and still running original oil pump :D
X50, GT2 and GT3 got the dual pick up pump. I am not sure starting what production date but I know this for sure as I have taken apart an unopened 996 x50 motor that had this pump. by 997 generation all Metzgers got the dual pump.

VGLNTE1 03-28-2018 10:00 AM
Good thread. Subscribed.


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