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Discussion Starter #1
Hello! Here are many people who modded their t4 2.4d with turbochargers and intercoolers. But what about a custom head for direct injection, efectivelly turning it into a 1.9tdi with an extra cylinder. (I know this is a dumb idea, especially since the 2.5 tdi exists, but I thought about it and decided to open a topic here, just for fun)
 

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just bolt a 2.5tdi head on the 2.4 block......

then wonder what to do about pistons as Recardo-chamber heads & tdi heads need diferent chamber size & shaped piston-crowns :unsure:

Rich.
 

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Discussion Starter #3
The head would be the most complicated thing as I don't think the 2.5tdi head just bolts on. The pistons though would be sourced easely from 1.9 tdis.
 
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