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Engine Specific Info and Questions => IDI Engine => Topic started by: the4ork on March 11, 2010, 02:21:33 pm
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just wondering, seems to me the major thing is they are newer and easier to find in good shape.
but in terms of performance, are we looking at any gains? i found a nice rebuilt shortblock, just wondering what i should do for a head
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lowers compression and way way way better intake ports. and some have 7mm valve stems
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Lower compression may make for harder winter starts, but will be more efficient. If you use the 1.9 head you need to get a 1.9 or TDI intake manifold as the port shape is different than the 1.6.
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I don't think you need to, but it would definitely be a good idea. Especially if you are running more then stock boost.
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Yup it's a performance thing, it would be useless if running NA and would be harder to start to boot.
Running TD you'll get more power with less boost, compared to a 1.6 head.
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cool, i plan on having a custom intake manifold made, and some porting and polishing. so this is good info.
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there are already a couple o guys on here who have done it and are currently doing it "talking about myself" I have hit a financial blockade currently and can't continue for a while, but you can be sure that I will finish. I wish you the best of luck on this, most illustious of builds.
stay excellent 8),
bill, and ted "LOL, not really" Kevin