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-   Australian Cobra Club (http://www.clubcobra.com/forums/australian-cobra-club/)
-   -   Short stroke, big revs, big HP (http://www.clubcobra.com/forums/australian-cobra-club/128216-short-stroke-big-revs-big-hp.html)

Aussie Mike 03-19-2014 05:04 PM
Short stroke, big revs, big HP
 
Check out this LS motor on the dyno

It's a short stroke big bore combination that's only 5.0L

4.155" bore with a 2.8" stroke

Its turning to 8000RPM

It makes 580HP naturally aspirated and 817HP with a shot of Nitrous.



Cheers

leroy17 03-19-2014 05:14 PM
Oh that is morning music right there.

On another note, did you check out the 427 911 clip at the end..... nice.

Towmaster 03-19-2014 06:15 PM
5 litre Chev, Ford, Nissan, AMG & Volvo engines all make 630 - 650 at 7500 rpm....

Just saying.

Towmaster 03-19-2014 06:20 PM
5 litre Chev, Ford, Nissan, AMG & Volvo engines all make 630 - 650 at 7500 rpm....

Just saying.

spookypt 03-19-2014 06:28 PM
Love the smokey ole windsors.....

https://www.youtube.com/watch?v=HmtYixs8hKc

letsboogie351 03-19-2014 06:46 PM
Quote:
Originally Posted by spookypt (Post 1291780)
Love the smokey ole windsors.....

https://www.youtube.com/watch?v=HmtYixs8hKc
Spooky....that is REAL music!

spookypt 03-19-2014 06:51 PM
I have some more vid of its 4th pull which was another 1000rpm from this but my iphone was overwhelmed by the noise and lost all sound once it went past 8k. Lol

CHANMADD 03-19-2014 08:40 PM
I love high Rev engines ...

750hp 03-19-2014 09:20 PM
Quote:
Originally Posted by CHANMADD (Post 1291804)
I love high Rev engines ...
You'll like the sound of this then. Apparently he had the limiter set at 9600rpm, and hit it a few times! Whether you think burnouts like this are impressive or pointless, you can't deny the quality of the drivetrain required to cope with this punishment.

Dimis 03-19-2014 09:23 PM
Quote:
Originally Posted by CHANMADD (Post 1291804)
I love high Rev engines ...
Then try a Honda ;)

Towmaster 03-19-2014 09:35 PM
I read a bit about that Valiant, his dad bought it new. The engine is a Nascar item....

boxhead 03-19-2014 10:33 PM
Here are Dyno numbers from last weekends Chrysler show.
The Green VG is the one Rego "Bloky"
http://i1173.photobucket.com/albums/...4/IMG_3310.jpg

http://i1173.photobucket.com/albums/...4/IMG_3309.jpg

Rog246 03-20-2014 03:50 AM
And George the Goon ??

Where is he ?:confused:

jcraigau 03-20-2014 05:53 AM
Quote:
Originally Posted by 750hp (Post 1291811)
You'll like the sound of this then. Apparently he had the limiter set at 9600rpm, and hit it a few times! Whether you think burnouts like this are impressive or pointless, you can't deny the quality of the drivetrain required to cope with this punishment.
Is that the same one that blew a tyre on the dyno and ripped the boot open? :eek:

750hp 03-20-2014 10:55 AM
Yep. That wasn't pretty...

David Hodgson 03-20-2014 02:53 PM
Quote:
Originally Posted by Towmaster (Post 1291776)
5 litre Chev, Ford, Nissan, AMG & Volvo engines all make 630 - 650 at 7500 rpm....
Just saying.
This may have been build more 'streetable' than the supercars Ash.

Aussie Mike 03-20-2014 04:30 PM
Quote:
Originally Posted by David Hodgson (Post 1291888)
This may have been build more 'streetable' than the supercars Ash.
It was built for N2O as it made 817HP on the bottle. A cam and compression ratio to suit N2O probably wouldn't work as well N/A as a V8 Supercar motor optimized to run that way.

Cheers

T.L. 03-20-2014 07:05 PM
I have a 352 dry sumped set up here that use to race. Developed 750BHP at 7500 on a hilborn fuel injection set up.

Made from a 400cuin block that has been de-stroked. Revved very quickly and has lots of good stuff inside it.

750hp 03-20-2014 07:42 PM
What are you doing with the 352 now? Was it used in the 360 sprint car series?

T.L. 03-20-2014 09:46 PM
I was going to put it in a cobra when I lived in NZ, a Graham Berry one, but moved to Aussie instead.

Engine now sitting in my shed next to a plain 350 awaiting a project.

I used the motor in Jet Sprints that I participated in in the early 90's before the move.


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