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Old 08-06-2007, 10:19 PM   #1
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engine mod for hi boost?

Hi my name is rejean, i speak french but i will make my best.

i had an eagle talon tsi a years ago 12 sec flat on 1/4 miles.

now i buy a focus zx4 st 2.3L
i want progressivly make a turbo conversion and boost 20 psi dealy ( 94 octane we have here)
i read a lot here but its a little bit difficult to understand all.
i read that the duratec can take 7 psi.
what are the modification to do in the engine to make it (safe) to run 20 psi.
first i want buy a focus sport turbo setup with stage 2.
i want to know what is the best datalogger and tuning tool for ford focus.

thank and sorry for my english
Rej


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Old 08-07-2007, 07:23 AM   #2
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If you want to boost realibly to 20psi, you will definately need new pistons and rods. For rods, look to Eagle or Cosworth. For pistons, you will want something with a little lower of a compression ratio, like 9:1. Take a look at either Supertech or Weisco.

For datalogging, I recommend SCT. I use an XCalibrator2 with a laptop.
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Old 08-07-2007, 07:46 AM   #3
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the stock duratec can take 12 psi. id go 10 to be safe.
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Old 08-07-2007, 11:46 AM   #4
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The focus sport stage 2 is 11 psi, so it is safe on stock internals. They also supply the xcal datalogger, and the tune. Going above 12psi requires upgraded internals, ie forged rods & pistons, and upgrade the cams, valves and springs too. Focus sport is great to work with too.

Don't worry about your english. It's not bad. Way better than my french!
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Old 08-07-2007, 11:48 AM   #5
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is your car auto or stick.
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Old 08-07-2007, 11:57 AM   #6
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As others have stated, for 20psi you're gonna need rods and pistons. It probibly wouldn't hurt, if fact I think it is recommended, to get a Cosworth intake manifold for anything over 14psi.

You'll need alot more then that though for 20psi. An LSD (limited slip differential) and a clutch and flywheel would definatety help your cause out. The stock clutch is good to about 7-8 psi, and anything over that drastically reduces its life. An LSD would be and excellent choice too to get the power to the ground. I have problems with traction at 12psi. I could only imagine 20.

Right now my boost spike is set for 12ish psi and it settles around 10-11. Trust me when I say that the car is a blast to drive.
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Old 08-07-2007, 02:04 PM   #7
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look on clubfocusquebec.net someone sell the turbo stage1 of focussport for a duratec..and the price is very low
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Old 08-07-2007, 04:31 PM   #8
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Originally Posted by FleaWannaBe View Post
is your car auto or stick.
i have a manual transmission if the question is this.
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Old 08-07-2007, 04:51 PM   #9
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As others have stated, for 20psi you're gonna need rods and pistons. It probibly wouldn't hurt, if fact I think it is recommended, to get a Cosworth intake manifold for anything over 14psi.

You'll need alot more then that though for 20psi. An LSD (limited slip differential) and a clutch and flywheel would definatety help your cause out. The stock clutch is good to about 7-8 psi, and anything over that drastically reduces its life. An LSD would be and excellent choice too to get the power to the ground. I have problems with traction at 12psi. I could only imagine 20.

Right now my boost spike is set for 12ish psi and it settles around 10-11. Trust me when I say that the car is a blast to drive.
i don't see a lsd for the duratec. i see torsen lsd for zetec and getrag.
where i find some one? by the way what is the number of the transmission.

my talon was AWD. i know that the feeling will not be the same.
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Old 08-07-2007, 04:59 PM   #10
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Quote:
Originally Posted by volks87 View Post
look on clubfocusquebec.net someone sell the turbo stage1 of focussport for a duratec..and the price is very low
i do not know this site. thank you very much.
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