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| madxr8 |
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hey guys,
just wanting to no what the difference is between the 170 kw EL xr8 engine i have to the 220kw engine in the AU series 3 xr8?? this is a 3 part post! Q1: is it still a 302w with mods? Q2: what do i need to do to get my 302w to achieve 220kw Q3: how would i achieve somewhere around the 220-250kw at the wheels? i need to start putting a budget together! lol cheers,
_________________ My baby is a 97 EL xr8 Chaser |
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| BuNtEr |
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a s**t load of money
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| madxr8 |
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{USERNAME} wrote: a s**t load of money
lol hense the budget planning! lol 
any point or just leave it? and save for the ugly looking (just my opinion!) AU 3?
_________________ My baby is a 97 EL xr8 Chaser |
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| gogetta |
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yeah its a windsor.,,,
youll need roller rockers...and bigger cam ported GT40P heads ported manifolds larger throttle body
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| madxr8 |
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{USERNAME} wrote: yeah its a windsor.,,,
youll need roller rockers...and bigger cam ported GT40P heads ported manifolds larger throttle body thats a bit more helpful! thanks
_________________ My baby is a 97 EL xr8 Chaser |
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| schnoods |
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To get a 170kw Windsor to make 220ish at the wheels you need to junk the top end. (especially the HO Manifold and heads).
New heads Intake Manifold Cam, valvetrain Some sort of tuning Piece in some alloy heads $2000-3000 a pair depending on how big and what brand, a Explorer intake can be had for $500 with TB and injectors (24lb opposed to 19's), the Valvetrain is about a grand with lifters and rockers, and tuning would be anywhere from $600 - $2000 depending on Ecu or chip+ dyno time to tune. Other than that forced induction is the other option and can be done for cheaper. Depends as well if you can do most of the work. An AU motor would take alot of the headaches away, but still needs work to get 220rwkw.
_________________ Because of Beer, Thirst is a Beautiful Thing! |
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| MMD |
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{DESCRIPTION}
this is a good thread describing what u have to go through to get 200-250rwkw NA out of the Windsor, well worth the read. personally i would go the forced induction route. Capa Kit or other, Bolt on and can be removed just as easily later on down the track to transfer to another car or sell. Just my 2c |
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| t2te50 |
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I'd buy a reasonably low km second hand one and go from there. Should go very well in an EF-EL.
I was pretty happy with my car other night running stock and a best of 14.3 at 156 kph. Weight is the primary problem with an AU/ irs/ 5L. |
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| BuNtEr |
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Toss those factory headers in the bin get mandrel bent extractors’ 3inch cats and zorst
Larger throttle body Bigger injectors explorer manifold Cam Tune change the cold air intake to a 3 inch mandrel bent pipe Mod the maff Port the GT40 heads or afr's Or turbo it or supercharge it. Get a 347 stroker kit in the end its up to how far you want to go to what you will spend $$$$$$$$$$$$$$$$$$$$$$$$
_________________ BANNED Last edited by BuNtEr on Sat Aug 18, 2007 1:14 pm, edited 1 time in total. |
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| spaz ef |
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why is it so hard to make good power out off a injected 5l a carb'd 5l can break the 220/250 rwkw quite easy
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| Swine |
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Posts: 266 Joined: 16th Feb 2007 |
{USERNAME} wrote: why is it so hard to make good power out off a injected 5l a carb'd 5l can break the 220/250 rwkw quite easy
I dont think carb'd 302 engines are any cheaper to make power with than the efi ones. you still have to replace the same sort of stuff,ie bigger carb = bigger throttle body, lower manifold, heads,blah blah blah. Stock 351's were only putting out 130 at the wheels. I think 200rwkw for any Na 302 windsor is not a cheap thing to achieve. |
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| XR9UTE |
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{USERNAME} wrote: {USERNAME} wrote: why is it so hard to make good power out off a injected 5l a carb'd 5l can break the 220/250 rwkw quite easy I dont think carb'd 302 engines are any cheaper to make power with than the efi ones. you still have to replace the same sort of stuff,ie bigger carb = bigger throttle body, lower manifold, heads,blah blah blah. Stock 351's were only putting out 130 at the wheels. I think 200rwkw for any Na 302 windsor is not a cheap thing to achieve. Hear hear! 220kw is quite easy to achieve at the engine. At the wheels is a different story but doable non-the-less. The next point to make is that this peak figure is just that, a figure. Torque and average power are what its all about. The only thing peak figures are good for is advertising and dyno shootouts. If this car is an auto. I'd go AFR 165 with the comp port or AFR 185, Edelbrock RPM-2, 70mm t-body and a cam similar to an XE266 or XE270HR for use with 1.7's or if you go with a slight stall an XE274. Better still get a custom cam from camshaft innovations in the U.S. This would get you in the 200-220kw range at the wheels without wiping out all your torque. Pete. |
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| spaz ef |
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{USERNAME} wrote: {USERNAME} wrote: why is it so hard to make good power out off a injected 5l a carb'd 5l can break the 220/250 rwkw quite easy I dont think carb'd 302 engines are any cheaper to make power with than the efi ones. you still have to replace the same sort of stuff,ie bigger carb = bigger throttle body, lower manifold, heads,blah blah blah. Stock 351's were only putting out 130 at the wheels. I think 200rwkw for any Na 302 windsor is not a cheap thing to achieve. yer i get what your saying i geas its just what your use't to iv allways use'd carb engine understand them alot better plus contacts for cheap parts allways helps carb'd stuff is just alot more avalible in my group off friends... |
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| Grimketel |
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just buy the series 3 XR8. Much better option. Dont stroke it to the 5.6, it doesnt rev as easy (as the 220 xr8). puts out a truck load more torque though. depends on what you want. Drove a t3 ts50 (5.6 ltr) and a 220 XR8 with herrods exhaust and they were for all intents and purposes identical in how hard they went. The t3 had more torque especially down low, but the XR8 was more rev happy. and lighter. did love the 380 nm from 1000 rpm in the t3 though. its more than my AU makes at peak lol.
_________________ enough isn't enough |
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| spaz ef |
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yer im not talkin about flywheel kw 220 at fly i could run faster than that na i ment 220 250 at the wheel is;nt hard for a carb'd five liter ...
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