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Discussion Starter #1
Hello I'm in the middle of my diy style turbo conversion on my zetec and as I'm getting close to end I'm wondering if what I'm using will work ok or not. I've researched as much as possible before this but still want clarification if anyone can help. I built my own turbo manifold and using a TD04HL-14T turbo setup as a top mount. I clocked turbo and deleted internal wastegate.. I have a Tial ext. wg on the way with a 14psi spring. I plan on keeping engine stock for now and ordered OE head gasket and timing kit thru my work. I have 2.5" intercooler piping with EB Mustang IC, then up to 3" beforeTB for MAF housing. I have a slot type MAF from 11 F150 5.0 that I really want to use but haven't found anyone using one on a zetec focus yet to know it will work. I haven't researched throttle bodies much but by looking at factory bore it looks like I should be going bigger. Lastly, if my car is EEC-V will I need a chip in my PCM, or does my PCM have FEPROM to have my tune uploaded thru an XCal4? this is where I'm hoping the Pro Tom can help me.
TIA.. this forum has been awesome to me over the last few years ?
Paul
 

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Use the stock type MAF , the slot isnt better

I dont see a spot for your waste gate ?

What Injectors are you running ?

You doing a blow through MAF ?

Tom
 

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Discussion Starter #4
The wastegate is in shipping.. it will have a 38mm vband welded to bottom of turbo manifold.
I planned on going blow thru for MAF just before throttle body in 3 inch housing, I ordered a slot/card type weld on flange, will it still be possible with that MAF or will I need to change to factory style MAF 3 inch housing?
I have Siemens 60lb injectors on the way.
 

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Discussion Starter #5
... and buy a MAFia. I went slot type because of researching and read that the card type worked well on cold side of charge pipe in a 3 inch housing it could read the higher amount of Hertz. I'm only a Ford tech and just getting into the tuning now and there isn't alot of help advice in my area.
 

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Thats incorrect they both have the same range 0-5 volts , unless you have it all welded and everything ordered I would stick with the stock MAF type

Tom
 

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Discussion Starter #7 (Edited)
okay I haven't welded the flange on yet so I will go with oe MAF setup like you're saying. So I will need a MAFia and also should I be using a 3 inch oe style MAF housing?
 

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Yes I would go 2.5 piping to the 3 inch MAF then back to 2.5 piping and I would do it blow through

There is some nice 3 inch billet MAF for 90.00 on ebay unless you can make your own

Tom
 
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