5.4.. 4v n/a?

[2001SVTsnake]

so me and my friend's (ls1 nutz) had this debate while gettin drunk tonight:beer:


what does a full bolt on H/C/I 5.4 4v put down n/a?

and if you were to stroke the same full bolt on H/C/I 5.4?

 

[tmhutch]

They'll go 600rwhp but need to upgrade rods and pistons. Cant stroke it, it's already maxed out.

 

[281CJ]

HCI mean Head Cam intake?

a CobraR with boltons cams and a head job put down about 420ish-whp

 

[na svt]

With a Sullivan and Navi heads I'm sure I could get a very streetable 450rwhp out of one. With 03/04 heads and modified Sullivan over 500 streetable rwhp would not be out of the question. I would never stroke one.

 

[birdman941]

You'll get more torque with an Aussie Boss intake.
Boss 315 is rated (flywheel) at 406 HP and 422 torque from the factory.
Cobra R is under-rated at 385/385
Aussie motor has 03-04 heads.(FPV says "R" heads but they are not)
I have a few Aussie intakes here,
and some modded for install in an SN95 or New Edge.
Links:
www.fpv.com.au

(Long thread but a lot of pics. vids on page 21 I think)
http://www.mach1registry.org/forums/showthread.php?t=57118

With a stock Navi long block, Aussie intake, and LT's
mine was estimated by a dyno tuner (he drove it) at around 330-340 RW.
Also, it got 25 mpg on a trip.
It pulls hard all the way to 6500 and would absolutely kill my Mach 1.
No need to stroke a 5.4, as it is already at 4.17". (lots of torque)

 

[na svt]

(Long thread but a lot of pics. vids on page 21 I think)
http://www.mach1registry.org/forums/showthread.php?t=57118

waht's the difference between the 260 and 290 intakes?

 

[birdman941]

The 260, 290 and 302 uppers are the same,
but the 315 upper has a dual blade.
All the lowers are the same.
The lower is a work of art.

 

[birdman941]

My new design upper in a new Edge.
Now the 5.4 32V bolts right in.
A 99-01 Cobra or a Mach it's so easy you wouldn't believe it.
I spent 3.5 years developing this.

 

[281CJ]

Any Aussi intakes fit on a 4.6? lol

 

[Pale Roader]

Always wondered... since stroking these is out, is going with the sleeved big bore the same process as the 4.6's?

How big would that be?

 

[birdman941]

Here is a comparison of 2000 "R" lower and an Aussie lower.
The Aussie is on the left.
(Photo taken at Boss330 racing)

 

[birdman941]

Any Aussi intakes fit on a 4.6? lol

No, as the 5.4 is taller and wider than a 4.6.
Like a 302 and 351W.
Same principal.

Always wondered... since stroking these is out, is going with the sleeved big bore the same process as the 4.6's?

How big would that be?

5.8 liters.

 

[281CJ]

awww why the 5.4 get all the love?, does Aussi even HAVE a 4.6?

 

[birdman941]

They have 4.6 3V's and 2V's, but 4V's are rare.
Their cars are so cool there.
Aussie 2000 Cobra.
Pic is huge.
here's a couple of links.
http://i43.photobucket.com/albums/e376/birdman941/Gt Swap/02AussieCobraVert.jpg
http://i43.photobucket.com/albums/e376/birdman941/Gt Swap/aussiecobra.jpg

 

[na svt]

Always wondered... since stroking these is out, is going with the sleeved big bore the same process as the 4.6's?

How big would that be?

BB 5.4s make good power but the sleeving process is a bit more tricky since the block is iron. However, Modular Performance has a BB 5.4 that has proven to be pretty reliable under race conditions.

 

[281CJ]

yeah those cars freak me out lol

 

[birdman941]

BB 5.4s make good power but the sleeving process is a bit more tricky since the block is iron. However, Modular Performance has a BB 5.4 that has proven to be pretty reliable under race conditions.

Now there's a motor.
Could you imagine the torque?
Holy crapola Batman!

 

[Nazman]

BB 5.4s make good power but the sleeving process is a bit more tricky since the block is iron. However, Modular Performance has a BB 5.4 that has proven to be pretty reliable under race conditions.

Yeah, John and I were planing on building the New GT40 aluminum block machined for wet sump, and "Big Bore" it, to a legendary 351CIs, billet rods, FGT heads and some custom cams.....but the cost of the motor build would have spended my "budget". Not too mention, intake selection, custom headers, etc.

One of the sickest NA builds ever......:rockon:

Naz

*Todd, by the way...just sent you an email.....straight from Colombia!

 

[Nazman]

My new design upper in a new Edge.
Now the 5.4 32V bolts right in.
A 99-01 Cobra or a Mach it's so easy you wouldn't believe it.
I spent 3.5 years developing this.

Steve,

Sick! Great work on that intake hat brother! :rockon::beer:

 

[birdman941]

Thanks Carlos.
That pic is a mockup before welding.
Here's one welded and powder coated.
Throttle bracket not installed at that point, but it is now.