500hp Zetec Turbo Build, 180mph target. - Focus Fanatics
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Old 10-14-2003, 04:29 PM   #1
ukfoc
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Lightbulb 500hp Zetec Turbo Build, 180mph target.

Hi Guys, first post here.

Been reading the forums for a while and it's interesting to see how you do things over there.

I've recently started on a build with a target of 500hp, so far I've specced the build and obtained a base 2.0 with only delivery miles on the clock.

Basic spec will be JE pistons, steel rods and suchlike, aftermarket ECU driving 8 injectors, and a Garrett GT series turbo.

The major difference I think to most of yours is that this is what you'd probably consider very low comp, 7.2:1 which isn't unusual over here. Virtually all the major power Zetec Turbos run around that. Our pump fuel is 95 or 98 octane and we generally run them on that, rather than race fuel or octane booster.

As for the 180mph target, recently a Fiesta (slightly larger than a Festiva) over here clocked 178mph. That was done with just over 400whp, 205/40 17" tyres and an 8750rpm rev limit. There are pics on http://www.fiestaturbo.com The engine in that car is the older "series 2" Zetec which came out in 1995, I'm not sure you have them over there.

I reckon more power in a more aerodynamic shape, with 215.35 19s should be able to crack 180. Whether I dare go that far is another matter!


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Old 10-14-2003, 04:45 PM   #2
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so how much $$ u got?lol
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Old 10-14-2003, 09:39 PM   #3
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well you might check around for some good gearing for that speed, i wouldnt rely on tire/wheel sizes alone, i think the tock gears will max out around 163 or so on what tires i dont remember
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Old 10-14-2003, 10:58 PM   #4
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your def going to need a new gearset, other then that, just tear the engine apart, build it, boost it, and spend a month or so tuning it and im sure you will get there
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Old 10-14-2003, 11:00 PM   #5
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a month of tunning and lik $20k later you will get there..
i will be sweet thou...
pls keep us updated with this project !!!

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Old 10-14-2003, 11:24 PM   #6
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180 mph in a Focus, sounds like fun!
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Old 10-15-2003, 05:04 AM   #7
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The standard ratios won't be a problem. You're right that with SVT sized 215/45 17s it will top out at a theoretical maximum of 162.

215/35 19s with the standard (UK) final drive ratio of 3.82:1 equals 180mph @ 7000rpm.

I'm aiming for an 8750rpm limit, which equates to 220mph (!!) (Somhow I can't see that happening!)
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Old 10-15-2003, 09:59 AM   #8
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Just make sure that the car will stay on the ground at those speeds, some of the older cars would begin to fly at about 160....I have gone 165-170 in some porsche 911t's and it feels really loose upp there. be careful...but keep us up to date...sounds fun
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Old 10-21-2003, 08:18 AM   #9
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ask FC...
They are above 500whp with their project turbo focus.
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Old 10-25-2003, 05:52 PM   #10
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where are you from in uk and is this for real.
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