- which cai is better?
- Novice focus questions
- a A thank you to all [FJ] focaljet™ members!
- 2007 ZX3 exhaust...any??
- power steering cooler?
- duratec revs?
- MPG new High
- Lift numbers of duratec cams
- will this make a big difference?
- Na Dyno
- 2.5in exhust vs 2.25in exhust
- Camshaft Tuning
- PCV and EGT idea
- 05 Focus ST
- FocusSport competes in EuroTuner Grand Prix - article scanned!
- Stock Oil pressure sender?
- CEI question (changed Fuel filter)
- header for the 2.0 pzev.
- Cosworth Exhaust
- Cosworth intake manifold dipstick tube
- Anyone Have To Change Thier Thermostat On Thier D23...
- mods
- AIrbox for PZEV duratecs...$381.00
- Easiest way to cut the stock exhaust?
- Clubman 2.3L build power levels?
- error reading ecu for cel
- Injectors
- I need a pre-filter
- Installing a wideband sensor
- Duratec Cat-Back for Zx4
- question on bogbone inserts
- Steeda Intake for the 2.3
- Intake users - please read / respond
- cosworth cold air intake install instructions pdf
- 3" Exaust on ST
- Did the Iceman intake go away?
- Trubendz still retain 2nd cat?
- 200whp in a NA 2.0 Duratec...
- who knows individual throttle bodies
- Motor/Tranny Mounts
- Couple ?s about New Parts for an 07 2.0 Duratec
- Car Blackout...
- C.A.R.B. legal super's or turbo's
- any updates on Marcymotor Sports Intake
- SCT Tune
- would this be good for texas drivers?
- focussport cai install on 05
- Cosworth race cams 282 degrees
- MIL eliminator question
- you sob's better be right haha!!
- Camshaft overlap's effect on dynamic compression as related to camshaft selection
- Holy battery cable buildup!
- connecting rods - dumb question
- Anyone had a problem with absolutely horrible milage??
- ecm type???
- What next?
- Best bolt-on power.
- differences between 2.3 and 2.0
- 2.3 engine weight?
- Ranger Duratec
- need info on cosi flex pipe
- big bore duratec n/a experiences
- anyone give me specific tools I need?
- Upgrades?
- Custom Valve Cover
- will this exhaust fit???
- Dashhawk for Duratec powered Foci
- Dog bone mount question
- who has automatic and does mods?
- Zetec -> Duratec Conversion mounts
- 03'04 duratec foci
- CAI and mpg
- Tearing apart my spare 2.3! Cool!
- Rpm Limits
- Fuel Capacity?
- Best Exhaust System
- Cai?
- cosworth cai installed!
- FS Vs Borla Exhaust
- Steeda CAI on 2004 2.3?
- Maf Question????????????
- Exhaust Question - HKS and OBX
- f2 Header and Magnaflow Exhaust
- OEM ECU Upgrade?
- Auto Trans Turbokits
- wiring schematic
- Flowmaster
- Block Heater
- Cossie Header hitting Rack?
- 07zx5sepzev
- Cosworth Intake Manifold
- Approaching 50K on duratec 2.0
- Where is the PCV valve on a 2.3 PZEV?
- stealth cai and new modd
- trac control
- Auto vs. Manual
- loud
- Need Part
- AEM CAI's for the Focus run lean?
- Help, need a short block 2.3
- what octane???
- Rev limiter
- intake mani
- 2.5" Magnaflow Exhaust!
- Oversize valves for Duratec 2.3 from Marcy
- Aero exhuast.
- Good shifting rpm's
- Cams from MSS
- Turbo duratech on stock block?
- best header for duratec
- EGR? Or whatever that hole in the intake manifold is for?
- Turbo and cosworth
- Cosworth header
- Exhaust question
- 11.6:1 and 12.5:1 forged pistons
- Black on chrome or chrome on black?
- flowmaster: why not?
- Duratec Motivation, 200whp Club
- Realistic cam expectations
- Shortie header for the 2.3
- Marcy intake manifold
- 3 inch intake
- Any Cosworth exhausts left out there?
- trubendz magnaflow.
- MM project Focus
- throttle body?
- I need a pic of the back of a 2.3 block
- Cleaning Injectors...?
- New dyno for the FSP autocross car.
- Man, it is good to have Walter back!!
- What gives with the duratec?
- ITB Basic Info
- MBRP catback on 07 ZX3?
- exhaust fitmenet question
- '06 running rich code
- tb help?
- motor pull?
- CFM and Cossie TB's
- Compression ratio VS fuel?
- ECU question
- Free HP from your CAI…
- quietest 2.5 exhaust
- Theres so many to choose from
- CAI's
- How loud is the Trubenz Magnaflow exhaust without a resonator?
- Header Question
- Cam Install Difficulty and other cam-related questions
- Air Box Resonator?
- Battery cover
- valve cover
- Header Install Instructions/Help
- Draxas header question
- Balance shaft delete
- valve relief?
- Mazda 2.3 pistons
- Gap on 2.0L plugs
- Coil On Plug Wiring?
- Camshaft Install
- Cam Worries.
- Those with built motors...
- FLEX back exhaust
- Bubble in coolant system
- No more 2.3 ?
- Another exhaust ? (I'm ready to click checkout!!)
- Borla on an ST ?
- Pics of Duratec Manifold Please!!?
- C.E.L prob with domestic power unit
- Looking for a Dyno of ....
- 2.5"exhaust on a 2.0...
- Sound Clip of Cossie Exhaust
- Escape 2.3 the same?
- coil wire problems
- oil weight advantages?
- Rev limit
- Cosworth HP to the Wheels?
- HEaders
- shifter threads?
- Chip? Flash? HELP!
- Oil Pan removal
- Mustang throttle body
- Traction Control auto-off mod
- 2.0 Duratec cover?
- Installing A Tachometer
- Steeda CAI Kit
- What would you do with $1400...
- Hello
- CEL with marcy CAI
- stock intake parts on the mm cai?
- K & N Cai?
- swap in a ranger engine?
- If its not one thing, its another. RE: cruise and Cosworth
- HEaders
- Has anyone ever swapped in a marcy duratech
- Port Polish
- atx swap for a mtx
- Mazda3 engine cover
- rear mount
- I just bought a wrecked '04 2.3 ATX ZX3
- my car stalls when I floor it
- mil eliminator 'How-to'?
- Crank/Head questions
- 2.3 Shortblock from Walter
- marcy heads?
- CrankShafts
- 2.3 turbo kit
- Duratech history- 2.0/2.3 mods read inside
- fs turbo
- whats the thread size and pitch
- shold I swap for 2.3
- Sct question
- 2005-2.0-ZX3-5speed
- Duratec 2.0 Redline?
- Does the 2.3 like to be rev'd?
- ECU Difference?
- Walters 2.0 Turbo
- new header?
- Cosworth IM question?
- making my intake better
- Bosal Exhaust
- Duratec Flow Bench numbers
- head help
- Probably every spec you will ever need for you 2.0 or 2.3
- Probably every spec you will ever need for you 2.0 or 2.3
- What Exhaust Does The 2007 Zx3 Duratec Share??? Plz Help
- Stage 3 cams idle video
- What to gap?
- Torque Damper
- Exhaust.....
- What can i do to get more top end.
- AC Delete?
- oil temp and pres
- dont know if this is needed but...
- ? Yamaha's involvment with 2.0
- Ford Racing ported duratec head on ebay
- springs, retainers, valves!?
- For those with the Focus Sport Exhaust...
- I just ordered
- New FR head for the 2.3??
- Which is better?
- 2.0 to 2.3
- hp #'s on na 2.0
- Fuel filter fun
- high compression question??
- best exhaust system 2.0?
- Need Help
- focussport = awesome
- Found my gauge solution
- What all will i need for High comp and cams?
- 2.5L Duratec?
- exhaust ?'s