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DURATEC Performance (2003-2011) The place to chat about any Duratec 23, 23E, and 20 engine performance, tuning and exhaust related upgrades.

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Old 11-10-2012, 09:16 PM   #1
Marbs
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Need more power

My girl asked me the other day "how did THAT car beat you?" I was not street racing, just playing a little on a two lane freeway entrance. I didn't even pass the speed limit by more then 5mph. But it left me wondering what I can do to squeeze a few more ponies out of her without going FI (can't afford a Turbo set-up at this point in time, but I hope one day I can). My current performance mods are CAI, MBRP Exhaust, Draxas header, FSWerks flex, Tune, and FRPP Lowering kit. I know there has to be something more as far as N/A performance goes, but for some reason I can't think of what's next? This is my DD so that plays a factor in what's next (no gutting or removing of interior or spare tire etc...).


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Old 11-10-2012, 10:38 PM   #2
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Simple= Add a set of Crane Cam's #0010. Very good DD set. For more add those cams to a 23 head. For more throw a 23 onboard.
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Old 11-12-2012, 04:35 PM   #3
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how much more power do you think the 2.3 head, crane cams, and a revised tune would net? 30hp at the wheels?
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Old 11-13-2012, 02:34 PM   #4
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how much more power do you think the 2.3 head, crane cams, and a revised tune would net? 30hp at the wheels?
30 would be great, but reallisticley I'd say 10-15hp. Next dyno day comes up I'm going, so I have some kind of idea. Stock hp 20 vs a 23 is 20hp. A 20 has to turn more rev's to develop hp, than a 23. It'd be interesting to see a 20 vs 23 on a dyno. Then add a 23 head & see the difference. There is a lot of info on using different heads & strokes lenghts on 5.0's, but none on mzr/dur-tech motor's.
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Old 11-13-2012, 02:56 PM   #5
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15hp for just the head or do you mean 15hp for the new head, cams, and revised tune?
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Old 11-13-2012, 05:25 PM   #6
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15hp for just the head or do you mean 15hp for the new head, cams, and revised tune?
What he said. If cams runs $400-$600(and all I could find where 05 and older cams) and I'm sure heads are up there in price too plus the money for a new tune will only net 15hp, I'm not so sure it's worth the money. What kind of power gains will just the cam net? Any idea?
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Old 11-13-2012, 05:28 PM   #7
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I dont know of any 'actual,' dyno-proven numbers. Only advertised and what vendors say.

At $400 for cams, $400 for a used head, $700-$800 for install, plus tune....you are in for nearly $2000 for 20?hp. For another $1000, one could tap into another 60hp with a turbo
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Old 11-13-2012, 06:00 PM   #8
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I dont know of any 'actual,' dyno-proven numbers. Only advertised and what vendors say.

At $400 for cams, $400 for a used head, $700-$800 for install, plus tune....you are in for nearly $2000 for 20?hp. For another $1000, one could tap into another 60hp with a turbo
That's what I'm saying. I'd install cams and heads myself, well with the help of my engineer budy who has done all this before, to save money. But for that high of price for that little gain, I don't see cost per gain as a money well spent scenario. If that's all the power gained out of that money spent, I'll keep saving for a turbo/engine swap/new car.
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Old 11-13-2012, 07:12 PM   #9
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I'd say throw on UD pulleys and TB maybe.

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$400 for a used head
Don't know where you're paying $400 for a used head, but Pick N Pull you can get them for about $80 for DOHC heads. If you are going to go with the heads I'd say the Crower stage 2's sound about right for what you've already got installed. They're just under $400 on Crower's website
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Old 11-13-2012, 07:24 PM   #10
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I've heard to many horror stories with UDP's on these motors. How are cams on making it harder to pass inspection every year?
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