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3.9L/4.0L Inline 6 Modification Guide 

 

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Posted: Mon May 01, 2006 11:56 pm 
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Ride: '06 BF GT-P

Power: 293 rwkw

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My cam moved the power band up to about 3000, but it keeps going right to the rev limiter. It's best for a manual or auto with a stally for track/circuit work. Not the best off the line in a TLGP or 1/4.

Image
BTW it's a RPD stg3 AU cam. Lumpy idle, but power comes on later than you indicated you'd want.

 

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Posted: Thu May 04, 2006 4:47 pm 
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well just got my XH snorkel and will drop it on tonight, for a single mod i might be able to let you boys know the extra improvment if i can make the sydney dyno day later in the month
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Posted: Thu May 04, 2006 8:05 pm 
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voxace wrote:
Shiftkit was made for $10


how u do this?
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Posted: Thu May 04, 2006 8:10 pm 
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Posted: Thu May 04, 2006 8:48 pm 
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voxace wrote:


cheers
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Posted: Thu Jun 15, 2006 9:27 pm 
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thanks guys.. very helpful .. and thanks again.. i think its great to take the time and help others.. simply great stuff.. a1 job voxace
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Posted: Mon Jul 24, 2006 8:24 pm 
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Ride: EF XR6 5SPD, EF FAIRMONT 5LTR

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hey there

i would like some opioins on if i put an ef-el intake manifold, injector rails, injectors, throttle body, all linkages, el ghia ecu ect..... on a eb 2 ghia 4.0???

or stick to the standard manifold and upgrade the snorkel and airfilter???

and if i was to do the ef-el converstion is it just a simple bolt off bolt on process or is it difficult??

thanks nic
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Posted: Tue Jul 25, 2006 10:41 am 
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Ride: Fairlane

Location: Melbourne
VIC, Australia

Hi Guys,

I am thinking of doing some air induction on my NC Fairlane.
What would be the best way to go? XH intake and KN panel filter or...

I am also going to be doing some work on my hood.
Shoud i get an intake vent above the airbox and fit a Pod filter?

thanks,
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 Post subject: Cams
Posted: Tue Jul 25, 2006 4:49 pm 
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Ride: Futura

Location: Perth
WA, Australia

Hi All

I got a 4L Intech AU motor and its done 220 000 k's now ive already got a cold air intake pacemakers stainles high flow cat and a lukey mandrel system. what sort of cam should i use and i understand it will probably need new valve spring and "possibly" a bit of head work being so old and if so what springs should i go for standard or slightly harder or softer ones.

Hopefully someone can shed some light onto the situ.

Thanks.
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Posted: Tue Aug 01, 2006 12:49 am 
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Ride: EF, Fairmont

Location: Perth
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Howdy fellas,

I have myself an EF Fairmont '95 Auto w/ Straight 6(why else would i be posting in this thread.. lol). I've decided to get myself a 2.5" exhaust system + headers, and more than likely get some cold air and possibly a cam happening.

I just want to know what you blokes think i should get, i'm looking for something that is going to sound good, but without the droning sound, while keeping the old cat, and of course, i'm chasing for a performance + economy boost.

I'm not sure yet but i may be able to get some work done for free from a mate who works in an Exhaust centre, all i need to buy is the bits and we both go in on a saturday/sunday morning, and start the work. The one thing we aren't sure on is how easy is it to change a cam for my model Ford, the reason i ask is because i can't find anything on it, a parts breakdown would even be good!

Cheers!
- Haz
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Posted: Tue Aug 01, 2006 12:57 am 
Getting Side Ways
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under the rocker cover you will have your rockers
under them you will have the cam

OHC there will be a sticker or some thing on your car that would say that
but it;s not a big job
shiming up the rocker gear on the other hand well
that can be a bit tricky

 

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Posted: Tue Aug 01, 2006 1:01 am 
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dawg1000: XH Snorkel and K&n/BMC filter is the way to go.

Futura_99: The type of cam you select is all up to personal preference, and then when you have selected a cam you can then choose matching valve springs.
So what exactly are you after?

Hazman: Doesn't really matter what cat-back exhaust you go for, as long as it's a 2.5" mandrel bent system. Most people find even without the rear resonator it won't drone.
As for extractors try and make sure (as with the exhaust) that the pipes are mandrel bent. Smaller pipes are generally better for performance and economy on these engines too (funnily enough).

Cheers,
Voxace

 

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Posted: Tue Aug 01, 2006 1:45 am 
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cam change is easy mate,

can be done with 2 people in 2 hours or so.

add a little more time if you plan to have an engine bay fire and strip it all down again ;)

 

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Posted: Tue Aug 01, 2006 5:30 pm 
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Ride: Fairlane

Location: Melbourne
VIC, Australia

Thanks Voxace,

Fitted the XH snorkel in the weekend. Must start looking for a new filter.

Cheers,
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Posted: Tue Aug 01, 2006 10:32 pm 
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Ride: Ford FPV FG F6 310

Power: 149 rwkw

Location: Brisbane
QLD, Australia

Gaz wrote:
cam change is easy mate,

can be done with 2 people in 2 hours or so.

add a little more time if you plan to have an engine bay fire and strip it all down again ;)


it took me 2 hrs to change lifters in my xr6 last week.
one tip - don't do it just after you've been driving it.

did you have a fire in your engine bay gaz? lol.

 

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