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Fastest Holden 6 Powered Sedan

Started by _V6 Chev_ , Dec 12 2009 10:13 PM

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#401 N/A-PWR

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Posted 02 April 2015 - 05:41 PM

Excellent stuff Jonesy.

 

Does anyone have any known details on this car??

 

Troy found this one a few days ago:-

 

 

and I seen the same one in another ad:-

 


Edited by NA-PWR, 02 April 2015 - 05:50 PM.

#402 greens nice

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Posted 02 April 2015 - 05:44 PM

9 port with SU's dry sumped with a liberty 5 speed.
It's all very secretive at the moment.
I'd say it's making 1.8-1.9 hp per cube, can't see it weighing anything under 2200 with a cage in it.
Doesn't sound like a holden anymore?? Dunno

Edited by greens nice, 02 April 2015 - 05:46 PM.

#403 _Bomber Watson_

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Posted 02 April 2015 - 05:47 PM

The noise really has me perplexed Kev. Your dead right it sounds nothing like a Holden engine....Very cool though. 


#404 N/A-PWR

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Posted 02 April 2015 - 05:51 PM

Sounds better than a Rotary.


#405 _Bomber Watson_

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Posted 02 April 2015 - 06:08 PM

My 6.30 am after a huge night on the piss and greasy food wake up fart sounds better than a rotary. 


#406 SA EH

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Posted 02 April 2015 - 06:25 PM

I reckon you just haven't heard the sound of a holden 6 under 7k for a full 1/4 mile pass before!

#407 N/A-PWR

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Posted 02 April 2015 - 06:32 PM

liberty 5 speed.

http://www.libertysg.../clutchless.htm



You can hear the Holden 6 firing order hey Jonesy.

 

I reckon you just haven't heard the sound of a holden 6 under 7k for a full 1/4 mile pass before!


#408 _Bomber Watson_

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Posted 02 April 2015 - 06:57 PM

I have heard a lot of them at a lot more than that before Jonesy....

 

Kev, who first mentioned the perculiar noise, has sat behind teh steering wheel of one making a lot more revs than that for a full quarter mile.....Frequently. 


#409 SA EH

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Posted 02 April 2015 - 07:28 PM

Maybe they reversed the firing order then, that might be the secret...

#410 N/A-PWR

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Posted 02 April 2015 - 08:02 PM

Good thinking Jonesy,

 

Holden would of optimized the firing order?

 

But it has been said, changing the firing order of V8's can make an engine breathe better.  B)



Maybe they reversed the firing order then,


#411 Litre8

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Posted 02 April 2015 - 08:12 PM

Changing the firing order (typically for a BBC 4-7 swap is popular: Stock 1-8-4-3-6-5-7-2, with the swap 1-8-7-3-6-5-4-2.) has its chanpions and opponents, some see no improvement when tested.

It may come down to one or more of the manifold design/stroke etc, whether changing the firing order stops consecutive cylinders 5 & 7 stealing off each other (but then what about the resultant 4-2?). I considered the swap for the new Lunati cam I bought but with an IR manifold and short stroke it did not seem worth the effort. 

 

I did read many years ago that, when Peter Molloy was building the 308's for Bob Morris in '78/79, he did change the firing order..  


#412 rodomo

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Posted 02 April 2015 - 09:09 PM

It's 2 stroke ;)


#413 warrenm

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Posted 03 April 2015 - 06:10 AM

It's definitely a 9 port Holden 6, seen it with my own eyes.

Kev it weighs about 2400lbs with the driver in it. 


#414 greens nice

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Posted 03 April 2015 - 08:22 AM

It's very tidy in there.

9B8D3135-3CA5-486F-8364-6F804222675B_zps

#415 SA EH

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Posted 03 April 2015 - 08:56 AM

Wow, I think I'm struck by how "un-race" that looks for a 10.3 sec car. Maybe it's the lack of webers but I'm stoked to see the 2" su's under there, just showing their potential.

#416 _duggan208_

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Posted 03 April 2015 - 11:14 PM

How on earth does that run 10's, I can't spot the gas anywhere, although there is some braided lines going under the headers but i don't think there gas lines. that is the most impressive holden 6 i've known about. the SU manifolds are short. I wonder if the perculier sound is 6 into 1 headers. maybe its secret is the vacuum pump. It sits like and shifts gears like a pro stock car. fantastic

Regards


#417 warrenm

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Posted 04 April 2015 - 06:22 AM

Not sure what the exhaust is, I didn't look underneath. 

It has been well thought out & engineered.

No gas lines.


#418 UC308Hatch

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Posted 04 April 2015 - 06:43 AM

Is it running Methanol & really high compression?


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#419 _Blackxu1_

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Posted 04 April 2015 - 07:38 AM

I read on FB it was making 289rwhp and the car is super light!! Well done to him he has it cracking

#420 N/A-PWR

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Posted 04 April 2015 - 06:12 PM

I just grid proportioned the head vs extractors, 

 

and are only 1 1/2" (38.1mm ) primaries too,

 

now that is good to know.  B)


#421 _ljxu1torana_

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Posted 04 April 2015 - 10:13 PM

I read on FB it was making 289rwhp and the car is super light!! Well done to him he has it cracking

289 rwhp certanly does not make 125 mph.


#422 N/A-PWR

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Posted 04 April 2015 - 10:20 PM

RWHP

 

1600 lb's ( 727kgs ) total body weight would,

 

standard minimum LC weight is about 925kgs.  B)


Edited by NA-PWR, 04 April 2015 - 10:27 PM.

#423 _ljxu1torana_

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Posted 04 April 2015 - 11:11 PM

ok going on lc torana weight of 1100 kg=2450 pounds+driver say 100 kg=220 pounds =2670 pounds.going by the calculater showin by dave 127m/ph=426 hp.


#424 _Bomber Watson_

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Posted 04 April 2015 - 11:15 PM

THats Moroso HP not RWHP though.....


#425 _ljxu1torana_

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Posted 04 April 2015 - 11:48 PM

what are you talking about moroso hp?


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