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Power out of a N/A six 

 

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 Post subject: Re: Power out of a N/A six
Posted: Thu Apr 02, 2009 9:35 pm 
Getting Side Ways
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Power: 171 rwkw

Location: thornton
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Crow cams are rubbish

 

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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track.
86 ZL mint grandpa spec with premo sound and 150000km
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 Post subject: Re: Power out of a N/A six
Posted: Thu Apr 02, 2009 9:35 pm 
Getting Side Ways
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Ride: 94 ED falcon

Location: Brisbane, 4173
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ebxr82nv wrote:
Crow cams are rubbish


Each to there own, don't stir up sh|t.
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 Post subject: Re: Power out of a N/A six
Posted: Thu Apr 02, 2009 9:44 pm 
Getting Side Ways
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Ride: FG MkII Xr6t Ute

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That is pretty gnarly compression for pump juice, as for whether its too high...

Do you happen to know what was done with the ignition timing? I have a feeling there would have been some fairly dramatic changes to stop it pinging with that compression which may have affected it. Either this or it could be running really rich too. Someone with a bit more tuning specific knowledge should be able to help.

 

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EVL098 wrote:
Cramping in the hand from having it on your Wang for an excessive period of time is a definate con.
Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays?

AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone.

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 Post subject: Re: Power out of a N/A six
Posted: Thu Apr 02, 2009 9:49 pm 
Getting Side Ways
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That is indeed pretty high for a streeter. Mine has about 9.9:1, and that is about as high as i would go with the rubbish fuel we have here.

The last NA engine i built had 11.5:1, and i had to run it on C16, pump fuel was a no go. However, a really good tune should see it gone.

 

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 Post subject: Re: Power out of a N/A six
Posted: Thu Apr 02, 2009 9:53 pm 
Smokin em up
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Age: 32

Posts: 251

Joined: 1st Jul 2006

Ride: EBII Fairmont 4.0 206rwkw

Location: Adelaide
SA, Australia

skidder wrote:
That is pretty gnarly compression for pump juice, as for whether its too high...

Do you happen to know what was done with the ignition timing? I have a feeling there would have been some fairly dramatic changes to stop it pinging with that compression which may have affected it. Either this or it could be running really rich too. Someone with a bit more tuning specific knowledge should be able to help.


Its all tuned correctly by the guy who built the motor. Its all thru an EMS Stinger.
He wants me to run a different higher octane fuel to stop the pinging & up the power.
Thanks for the replies.

 

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 Post subject: Re: Power out of a N/A six
Posted: Thu Apr 02, 2009 10:01 pm 
Getting Side Ways
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Ride: FG MkII Xr6t Ute

Location: Brisbane
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Is this car a daily driver/did your engine builder/tuner know it was to be a daily or is it only a circuit car? If you ran race fuel you would probably see better results but this isnt exactly practical if it's a daily.

And i'm with fordfairmont, even in my old race car we left the compression at a touch over 10:1 (although it was only junior street's)

 

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EVL098 wrote:
Cramping in the hand from having it on your Wang for an excessive period of time is a definate con.
Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays?

AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone.

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 Post subject: Re: Power out of a N/A six
Posted: Thu Apr 02, 2009 10:09 pm 
Smokin em up
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Ride: EBII Fairmont 4.0 206rwkw

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SA, Australia

Yeah he knew what i was using the car for. The fuel im gonna use is pump fuel but only available at 2 servos here in SA. One being near my home. So its semi practical. Like i said about the comp, its close to 11:1. Think it was 10:9 maybe? Cant remember.

 

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 12:15 am 
Getting Side Ways
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Ride: AU XR6

Power: 171 rwkw

Location: thornton
NSW, Australia

itlookslikeaxr6 wrote:
ebxr82nv wrote:
Crow cams are rubbish


Each to there own, don't stir up sh|t.


Only speaking from experience bloke. When you change only the cam and pick up 19 rwkw. I'm still waiting to hear back wether or not they gave me the right grind, and it went back before Christmas.

 

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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track.
86 ZL mint grandpa spec with premo sound and 150000km
07 TTG 60000km stock as, mods to come.
97 el futura about to be MOCKed

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 1:32 am 
Getting Side Ways
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Ride: EFII 5.8 NOS TerroristGhia

Power: 274 rwkw

Location: Sydney Australia
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If it is pinging and you have an EMS, get it retuned and take some timing out. That will solve that problem straight away. You may lose some torque, but it wont be that noticeable.
Brett

 

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 9:00 am 
Getting Side Ways
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VIC, Australia

good to see a few high comp setups around!
hoping to have my engine back together sunday, so can give an idea of power with a stock engine at 10:1 comp

 

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XG Panelvan
mild engine, EL ECU & J3, HI6 & MSD coil

in the shed - .595" lift cam, GT4202, forged AU engine, ems 4424 ecu, glide & 5500 stall - next-bellhousing

XH ute daily - DOHC BA XR6 engine, T5, AU3 ECU, J3 chip, wideband & logger, ported BBM, 3" intake

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 1:30 pm 
Stock as a Rock
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Age: 32

Posts: 100

Joined: 4th Jan 2005

Ride: AU XR6

Location: sydney
NSW, Australia

186rwkw @ 6800rpm. from memory 415nm.
Best 60ft is 1.901
Has run a 13.78 @ 104mph, 13.86 @ 102mph, 13.88 @ 104mph.

AU XR6 HP motor.
-Custom extractors
-3inch highflow X-force cat
-Custom 3inch mandrel bent exhaust
-custom 3inch mandrel bent intake
-Pod filter
-Big a** billet Surecam
-Vernier gear
-Completely built head, spings/valves/porting etc etc Been done twice now.
-Ported BBM manifold (got done with the head)
-Aftermarket coil packs, Splitfire leads
-high vol oil pump
-walbro intank fuel pump, upped fuel pressure
-Atomic Stud girdle
-T5z Spec gearbox, because stock T5's are poo.
-5 puck brass button clutch
-2200lb pressure plate
-Lightened billet alloy flywheel
-Rebuilt 4.11 LSD diff with 80lb springs
-SCT Flasher with Custom tune, 7200rpm rev limit.

Already grenaded a stock bottom end at 7200rpm. Needs a new one, which I may be building soon, Undecided if I want to go further with it. Have also thought about the 6 x t/b set up brockyb has.
These things have plenty of potential if you know what your doing with them.

 

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 1:55 pm 
Getting Side Ways
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Ride: 1995 EF Fairmont

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stiddy wrote:
186rwkw @ 6800rpm

6800rpm!! Thats f**k mad :twisted:

Whats it sound like at that rpm? Must be screaming its nuts off :mrgreen:

 

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 2:21 pm 
Stock as a Rock
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Age: 32

Posts: 100

Joined: 4th Jan 2005

Ride: AU XR6

Location: sydney
NSW, Australia

KWIKXR wrote:
stiddy wrote:
186rwkw @ 6800rpm

6800rpm!! Thats f**k mad :twisted:

Whats it sound like at that rpm? Must be screaming its nuts off :mrgreen:


Can't really describe the sound, just one of those things you have to be there to hear.
From 4500-7200rpm its just a type of sound you've never heard before, doesnt sound like
any other 6. Makes me smile everytime I spin it past 6500rpm, but its like pulling a pin on
a grenade.
The whistle/induction noise, and a 3inch exhaust up at those revs sounds pretty nuts, it
makes everyone look, makes babies cry and strikes fear into the hearts of most motorists.
Garenteed to give you a funny lump in your pants and cream if you listen for too long.
But basically yeah its screaming its nuts off lol.
Im being nice to it at the moment, rarely going over 6000rpm until I sort out the bottom end.

 

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 2:28 pm 
Getting Side Ways
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Joined: 28th Oct 2008

Location: melburn
VIC, Australia

props for spinning a stock bottom end that hard lol!

 

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XG Panelvan
mild engine, EL ECU & J3, HI6 & MSD coil

in the shed - .595" lift cam, GT4202, forged AU engine, ems 4424 ecu, glide & 5500 stall - next-bellhousing

XH ute daily - DOHC BA XR6 engine, T5, AU3 ECU, J3 chip, wideband & logger, ported BBM, 3" intake

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 Post subject: Re: Power out of a N/A six
Posted: Fri Apr 03, 2009 2:31 pm 
Getting Side Ways
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Posts: 6166

Joined: 8th May 2007

stiddy what have you done regarding tailshaft changes/mods

with 4.11's behind a manual, and 6000rpm is a deathtrap !!!
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