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DURATEC Performance (2003-2007) The place to chat about any Duratec 23, 23E, and 20 engine performance, tuning and exhaust related upgrades.

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Old 01-12-2011, 06:27 PM   #1
Eklipse113
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Question designing turbo builds

How can I go about designing a turbo build that I can work on over time, accumulating parts, etc? Are there any guides on how to match parts, what goes well together, etc? I feel like it would be a whole lot cheaper to buy individual parts as I go and DIY it when I get everything in my hands than to purchase one as a kit from FSW or something. But my exprience building computers when I was a bit younger reminds me that not all parts go together- even if they fit and run, they may not run well.

I'm confident I could learn all this stuff if I knew where to look... so seriously, throw some information at me.

meanwhile, what parts would I do well to upgrade before I even get serious about saving up to turbo the car? I know a clutch is a no-brainer... and I already have a short ram CAI (which I am hoping to keep using with the turbo build) and a cat-back exhaust.


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Old 01-12-2011, 07:39 PM   #2
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The biggest things you need to ask yourself with this one is, 1 how much power do i want to have? 2 what type of driving am i goin to do? Check some of the other members set-ups. You are right when it comes to the combination of parts. larger fuel pump is a must.
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Old 01-12-2011, 08:44 PM   #3
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Not trying to jack the thread.......

Quote:
Originally Posted by bairfocus View Post
The biggest things you need to ask yourself with this one is, 1 how much power do i want to have? 2 what type of driving am i goin to do? Check some of the other members set-ups. You are right when it comes to the combination of parts. larger fuel pump is a must.


What would you estimate for max WHP / injector sizes supported by the stock fuel pump?

I've been having some fuel delivery issues since I installed my hot rodded NA motor last year.

It's intermittent, not sure if the pump or driver module is giving me problems, I was going to replace both since it's hard to troubleshoot an intermittent problem on a track only car, you either have to waste a track day for testing, or pay for dyno time etc.

But I'm wondering if a pump with higher GPM would take some of the load off the driver module if the stock pump is running 100% duty cycle for extended periods of time.

Do you know of any uprated pumps that work as a direct replacement for the stock pump on an '05 ZX3?
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Old 01-12-2011, 08:47 PM   #4
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The larger pump will take the load off the module. I do believe that the svt pump is a direct replacement but don't quote me on it.
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Old 01-12-2011, 08:57 PM   #5
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That would be interesting if the svt pump would work in the 05-07, as the svt was for the zetec and the 05-07 was the duratec. Don't know if fuel pumps can be used across diferent engines or not. ( still learning)
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Old 01-12-2011, 08:59 PM   #6
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As long as they use the same connectors and fuel line set-up it should work. i know gm has used the same fuel pump/ sending unit in a lot of their cars. I'm pretty sure ford has done the same thing.
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Old 01-12-2011, 09:11 PM   #7
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I'd recommend doing a lot research. I did over a year of research and buying parts; but there is always room to improve and learn. Check out the Forced Induction area for a lot of good information.

Start here, Garrett's Turbo Tech 101, 102, 103


Your stock engine will be good for about 11 psi. The only upgrades needed would be the clutch, lightweight flywheel and you could add a LSD too. Too put anymore boost into the Duratec's and not have something break you would need to upgrade your internals.

The most important part will be your tune. Stick with a reputable turner who has experience tuning a turbo'd focus.

Companies that can help you out are FSWerks, Top Speed, Focus Power, etc, etc.
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Old 01-12-2011, 11:41 PM   #8
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Quote:
Originally Posted by bairfocus View Post
The larger pump will take the load off the module. I do believe that the svt pump is a direct replacement but don't quote me on it.
I'll look into it, thanks!
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Old 01-13-2011, 12:19 AM   #9
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FACT: The svt pump won't hold over 300 whp without a boost-a-pump.
FACT: They will -not- swap at all into a duratec vehicle as the gas tanks and pumps are completely different.
FACT: The duratec pumps are MUCH better than the stock zetec and svt pumps.

Keep your stock pump. You'll just need injectors.
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Old 01-13-2011, 10:06 AM   #10
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I wonder if some of your fueling issues is the fuel slosh in the tank and getting air , the stock pumps in your car seem to be holding 250HP to the wheel boost with no issues so NA doing 250 would take less fuel/work from the pump ( TQ is lower so work load is lower so less fuel required )

You may want to look at your fuel pump setting in your tune there is a lot of them that need to be set higher to get the pump to reach it max ability

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