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Au 4.0 xr6 ef head what psi would be safe to run ??? 

 

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 Post subject: Au 4.0 xr6 ef head what psi would be safe to run ???
Posted: Wed May 15, 2013 11:28 am 
Oompa Loompa
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Joined: 28th Apr 2013

Ride: EF falcon

Location: Perth
WA, Australia

What psi would be safe to run though a au 4.0 with a xr6 ef head running a v2 vortech supercharger what psi should be safe to run and give decent kw with out rebuilding motor ever 6 months

Any ideas would be great :)
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 Post subject: Re: Au 4.0 xr6 ef head what psi would be safe to run ???
Posted: Wed May 15, 2013 12:05 pm 
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Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

7 to 10 psi is pretty safe providing its tuned good.

I had a supercharger on my ed a few years back and it was running up to 12psi for 2 years before I turbo'd the same engine..

a decent intercooler and a really good tune will keep it safe..
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 Post subject: Re: Au 4.0 xr6 ef head what psi would be safe to run ???
Posted: Wed May 15, 2013 12:15 pm 
Getting Side Ways
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Joined: 28th Apr 2011

Gallery: 18 images

Ride: 1997 EL XR6

Power: 180 rwkw

Location: Melbourne
VIC, Australia

Troyman wrote:
7 to 10 psi is pretty safe providing its tuned good.

I had a supercharger on my ed a few years back and it was running up to 12psi for 2 years before I turbo'd the same engine..

a decent intercooler and a really good tune will keep it safe..


Didnt realise you had a supercharger on it for a while....

 

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MGW Short Throw Shifter, CVE Cam, CVE Head, SS Big Mouth Air Intake, Pacemaker Headers, 3" Exhaust, 3" Varex, 3" Cat, 19" Silver Agents, EMS Stinger 4424, 42lb Injectors and Walbro 255lb Fuel Pump

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 Post subject: Re: Au 4.0 xr6 ef head what psi would be safe to run ???
Posted: Wed May 15, 2013 12:40 pm 
Moderator
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Posts: 14513

Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

Six wrote:
Troyman wrote:
7 to 10 psi is pretty safe providing its tuned good.

I had a supercharger on my ed a few years back and it was running up to 12psi for 2 years before I turbo'd the same engine..

a decent intercooler and a really good tune will keep it safe..


Didnt realise you had a supercharger on it for a while....


yea it had a raptor supercharger on it first..
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 Post subject: Re: Au 4.0 xr6 ef head what psi would be safe to run ???
Posted: Wed May 15, 2013 12:42 pm 
Getting Side Ways
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Posts: 901

Joined: 28th Apr 2011

Gallery: 18 images

Ride: 1997 EL XR6

Power: 180 rwkw

Location: Melbourne
VIC, Australia

Troyman wrote:
Six wrote:
Troyman wrote:
7 to 10 psi is pretty safe providing its tuned good.

I had a supercharger on my ed a few years back and it was running up to 12psi for 2 years before I turbo'd the same engine..

a decent intercooler and a really good tune will keep it safe..


Didnt realise you had a supercharger on it for a while....


yea it had a raptor supercharger on it first..


Was reading through your old thread on the ED, that was an awsome looking car!

 

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MGW Short Throw Shifter, CVE Cam, CVE Head, SS Big Mouth Air Intake, Pacemaker Headers, 3" Exhaust, 3" Varex, 3" Cat, 19" Silver Agents, EMS Stinger 4424, 42lb Injectors and Walbro 255lb Fuel Pump

Next: Pacemaker Comps, 6 Individual Throttle Bodies, ICE Coil and ignition

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