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Old 01-02-2004, 19:40   #1 (permalink)
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300kw from a ef xr8 5.0L

ok i know it is possible but how much do yous rekon itll cost aiming for this figure, im thinking between after market heads and the rest 6-7k any advice
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Old 01-02-2004, 19:43   #2 (permalink)
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Re: 300kw from a ef xr8 5.0L

try forced induction. That would do it.
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Old 01-02-2004, 21:00   #3 (permalink)
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Re: 300kw from a ef xr8 5.0L

Capa has a good setup for the 5.0L widnsors... http://www.capa.com.au/kits_ford.htm
goin NA would cost u a fortune other wise and u would need a stroker to make it driveabke... good luck anyway!
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Old 01-02-2004, 21:02   #4 (permalink)
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Re: 300kw from a ef xr8 5.0L

300kw at the wheels, or at the engine???? 300kw at the engine = 347 stroker with all the good gear bigish cam trickflow minifold, might be able to get away with the gt40 heads but some aftermarket alloy ones would be better and a piggy back computer. if you want 300kw at the wheels then forget 6-7k for sure. for startes you probably need a better block as the windsor might be getting a little stressed with that power probably a sportsman block would do. i am looking at getting a dart block big $$$$ but thats the price of big power.

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Old 01-04-2004, 04:14   #5 (permalink)
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Re: 300kw from a ef xr8 5.0L

yea looking for 300kw at the crank n/a, ive seen a 350hp (260kw) kit that included cam, heads, manifolds, and timingchains and other bits from the states and that was 3k auz i know the manifold is reversed but its from holley so it shouldnt be to hard to get a reversed version. it also reccomends the use of nigger t/b and maf bigger injecters and headers. so how hard would it be to get another 40kw on top of that.
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Old 01-04-2004, 04:16   #6 (permalink)
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Re: 300kw from a ef xr8 5.0L

and those cappa kits there kw at the crank aye
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Old 01-05-2004, 20:36   #7 (permalink)
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Re: 300kw from a ef xr8 5.0L

XRQTOR, you cant reverse the Holley intake, its the only one that cant be spun around due to different intake runner design on no 1 and no 8. Check the pics closely, of course it will still work alright the 'stateside' way round.
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Old 01-07-2004, 03:19   #8 (permalink)
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Re: 300kw from a ef xr8 5.0L

Sorry to hijack this thread. I own an EL V8 Auto and I am looking at getting similar power. It is fully stock at the moment but I was just wondering what are some good things to do for a mild engine. I am looking at a lukey 3 inch system, edelbrock manifold and heads (what are some good ones for street use?), yella terra roller rockers, crow cam, k&n filter and XR8 snorkel. How much power approx will this produce and what else will I need to upgrade with these modifications? Cheers guys.
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Old 01-07-2004, 16:34   #9 (permalink)
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Re: 300kw from a ef xr8 5.0L

I dont think 300kw from a 302 is going to be terribly enjoyable. You would be best to stroke it to give yourself a head start.

Unless you want to throw a blower on it. Im not a real big fan of centrifugal blowers. 300kw peak power is virtually worthless on the street, and below that off boost it would be very soggy. I'd prefer the 260kw N/A option you mentioned any day over the blower option with bigger virtually meaningless numbers.

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Old 01-07-2004, 16:51   #10 (permalink)
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Re: 300kw from a ef xr8 5.0L

Powerdyne maybe but Vortech and such are way better.They are bigger and have better flow at lower rpm...
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