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Old 03-28-2014, 11:56 PM   #1
Audendre
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Turbo 1.6 mk2

Hello,

I have 2005 1.6 74kw focus. I am planning to build turbo system on this engine. What turbo should I use? Currenly I am looking for TD04L. Is that good?
And is 2,5" exhaust big enough?

Andre


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Old 03-29-2014, 12:21 PM   #2
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2.5 is big enough but best option is 3 inch. Show us your engine bay pics
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Old 04-01-2014, 05:40 AM   #3
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Td04l is an alright size , your problem is that the engine runs at 11.0:1 compression ratio, meaning you could probably run 5-7 psi max depending on tune.
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Old 04-01-2014, 06:39 AM   #4
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How much power can I get from that turbo if I run it with 5-7 psi? And can I increase copression? If yes, then how?

I can't take picures because the car is 10 000km away from me at the moment. And it is completly stock at the moment too.
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Old 04-01-2014, 07:28 AM   #5
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The objective is lower compression less chance of detonation. My engine is built with a 9:1 compression.
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Old 04-02-2014, 08:50 PM   #6
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you can try running a decompression plate on it to lower the compression, but the problem is that the Compression is so high on that engine, you would alsmost definately need to get lower compression pistons and probably rods to suit.

At that point you might as well rebuild the engine and this is where its going to cost you ALOT of money.

i cant really comment on how much power you would see with that turbo, but they loost effeciency at about 15-16 PSI. you might get an extra 50-100hp, but how long the engine will last depends on the tune and how you treat it i suppose.
If this engine is in a focus, i would suggest maybee doing a 2.0 engine swap, you can boost them to about 10psi stock and get about 200-220 Engine HP with a good tune and run it pretty safely.
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