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-   911 Engine Rebuilding Forum (http://forums.pelicanparts.com/911-engine-rebuilding-forum/)
-   -   build a 3.0 into ??? (http://forums.pelicanparts.com/911-engine-rebuilding-forum/528454-build-3-0-into.html)

cstreit 03-15-2010 12:55 PM
That certainly does sound like fun Henry. Is there even enough seating surface on the 3.0L case to fit a cylinder that wide?

Jeff Alton 03-15-2010 03:10 PM
Quote:
Originally Posted by Henry Schmidt (Post 5237660)
Sorry it took so long to get back.
I have no idea what kind of power/torque 66 x 105 would produce but what a hoot to build it. I will say that 8200-8500 rpm would be possible and given the correct port and cam configuration I would think you could produce good power from 4500.
NO worries on the time frame!! I have a bunch more questions! :)

Hmmmm, 66mm counterwieghted crank I presume.

What size ITB and Exhaust primaries would you run?

Compression- 11.5:1 or higher (race fuel only)

What sort of cam in this beast?

How would 3.2 heads work in this engine?

You have tweaked my curiosity on this one!

Cheers

Henry Schmidt 03-16-2010 07:13 AM
Quote:
Originally Posted by cstreit (Post 5237987)
That certainly does sound like fun Henry. Is there even enough seating surface on the 3.0L case to fit a cylinder that wide?
Talked to Charles @ LN and he says we could put 102 in an SC case.
102 X 66mm =3236 CC.

To run 105 you need a 964 or 993 case.

Henry Schmidt 03-16-2010 07:26 AM
Quote:
Originally Posted by Jeff Alton (Post 5238220)
NO worries on the time frame!! I have a bunch more questions! :)

Hmmmm, 66mm counterwieghted crank I presume. see picture

What size ITB and Exhaust primaries would you run? If the goal is 8500 I would think 50 mm into a 41-42mm port & 1 5/8" primary

Compression- 11.5:1 or higher (race fuel only) I would think 11.5 would be plenty

What sort of cam in this beast? [color] DC90 [/color]

How would 3.2 heads work in this engine? sure

You have tweaked my curiosity on this one!

Cheers
Supertec Super Crank
Note the lightened crank throws and hollow rod pin. This cranlk is designed to run the GT# Pankl ty rods. The are race tested at over 9000 RPM

http://forums.pelicanparts.com/uploa...1268752771.jpg
http://forums.pelicanparts.com/uploa...1268752787.jpg

http://forums.pelicanparts.com/uploa...1268752911.jpg

Jeff Alton 03-21-2010 09:13 PM
Henry,

Can you shoot me an email or PM and we can discuss the $$ for the crank and rods?

Thanks

Flieger 03-21-2010 11:15 PM
The supercrank is 66mm stroke? For some reason I thought it used the GT3 stroke.

Henry Schmidt 03-22-2010 08:09 AM
Quote:
Originally Posted by Jeff Alton (Post 5250058)
Henry,

Can you shoot me an email or PM and we can discuss the $$ for the crank and rods?

Thanks
Hi Jeff
Contact me with a regular email address and I'll send you the info. Or call me
8-5 PDT T-F

BTW: The GT3 rods have gone through the roof. Porsche "gold" is always on the rise.

Head416 10-26-2010 01:53 PM
Stumbled across this thread... very interesting!

Any updates?

carslutt 10-26-2010 03:45 PM
wow lots of good info, did any of this planing get put into actoin?

carrera turbo 11-05-2010 11:20 AM
just listening and learning:D

ONQRACIng 11-08-2010 02:26 PM
I am switching from a CMW Stroke crank (77.5 STROKE from a ground 3.0 crank) with custom rods (130mm) and 100mm to a GT3 crank (76.5 stroke) and custom rods(131mm) to get back to the 3.7 I had, maybe a 3.8?.. $1800 for the crank is much better than the 4K for a CMW Billet, which due to the offset grind, can and will crackout.... Just need to figure the rod lengths..

SCOTITUDE 11-16-2010 10:11 PM
searchin for a "what to do to my motor next" and stumbled upon this thread. Whadda tease. it gives me wood. Anything get built?

ONQRACIng 01-08-2011 04:54 AM
We have our GT3 crank now, and will be ordering custom 131mm rods, either Carrillo, Cunningham, or R+R, depends on weights. Anyone else doing a similar build?

Jeff Alton 01-08-2011 07:21 AM
Our project changed directions, motor is gone, had a HP twin plug 3.0 turbo motor, but it is still on the stand and likely to be parted out...

Cheers


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