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ZETEC Performance (2000-2004) The place to chat about any 2.0L Zetec engine performance, tuning and exhaust related upgrades.

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Old 06-23-2010, 08:46 PM   #51
bassmasta682
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Great list! thinking of doing some of this + NOS!!
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Old 07-13-2010, 06:50 PM   #52
saosin7938
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well everyone i have a 2000 focus with pacesetter header, jet v force plus chip, bk fuel pressure regulator straight pipe, short throw, accel coil pack bosch wires. after all this shit ive donne its got nothing. it feels like it should have so much more power than what it has now so what can i do to improve. everyone tells me to tune it but i have no clue.
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Old 07-18-2010, 08:02 PM   #53
Randori
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SVT header is the best.

I had a large diameter 4-1 Race header before I got the SVT and a high-flow catalytic converter.

IF the "Race header" makes any REAL power, It's at 7000 - 8000 RPMs or something higher than I ever spun my engine.

The SVT header makes noticeable gains EVERYWHERE I have ever driven. Absolutely the only header worth any money in my opinion.
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Old 11-08-2010, 01:40 AM   #54
71shadow
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the crower II is the street/strip cam correct? if so i saw an article on how to install them in an old FF magazine but it never showed what happened afterwards performance wise so what kind of gain could you get from a N/A zetec with those put in?
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Old 11-20-2010, 08:17 AM   #55
Focus137
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I think that my 2000 ZX3 has the ultimate non-forced induction motor ...

Four Jenvey ITBs (48/45mm) running race prepared head, fully machined, balanced and lightened block with 12.5 to 1 compression and has 8K rpms available - built for torque it has dynoed at 200HP and 165+ foot pounds. It is mated to a full Quaife 4.60 final drive close ratio tranny.

Wha do you think?
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Old 11-20-2010, 09:04 AM   #56
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dyno sheet?
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Old 11-20-2010, 06:21 PM   #57
Focus137
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The engine builder has the engine alone dyno, I have the at the wheels sheets ... I will try to get a computer version and post ... I will try to get my quarter mile ticket - you won't believe it ...

This motor was built to SCCA autocross Prepared rules and could be more without the restrictions - PK Machine in Fitchburg, MA did the build.
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Old 12-14-2010, 07:02 PM   #58
firebirdjoe91
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ok guys everything im seeing here show good numbers but pretty much looks like the n/a build is sluggish at low rpm im looking to do some road racing lots of bends and stuff but id like to stay n/a does anyone have a good build that doesn't kill the off the line power
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Old 12-14-2010, 10:58 PM   #59
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you never lose power off the line, its just hard to gain that power. see, a V8 has lots more cylinders to get everything moving, you only have 4. that in turn is the killer of low end torque, and the reason why when you turn the ac on in a v8, you hardly feel it; and when you turn it on in your car and it takes 14 seconds to get to 60.

Bottom line, the car is very quick in the turns, if you do alot of suspension work to it, it handles better than many more expensive cars. lowering springs, strut braces, traction bars, sway bars, roll cages, they all work wonders. I personally would supercharge if i were going to road race, since the power is there all the time and you don't have to wait for spool up of a turbo, ever. If you don't have the means for that, stick some big cams in it, get a Ford Racing Cylinder head, balanced internals (high compression pistons are a big one for N/A) and get an LSD for your trans, and cut out all the unneeded weight in the car. 170 whp is acheivable on race gas, just talk to mlbbaseball. and in a car as light as a focus, that is a lot more power than you think.

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Old 12-18-2010, 09:15 PM   #60
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sweet thanx thats what i needed to no
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