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Engine Specific Info and Questions => IDI Engine => Topic started by: subsonic on July 21, 2007, 08:06:32 am

Title: Valves, 1.9idi and 1.9tdi, are they the same?
Post by: subsonic on July 21, 2007, 08:06:32 am

Does anyone know if there is interchangability between the 1.9 idi and tdi cylinder head valves?  I know there are two sizes for the idi, will either of these work in the tdi?  What about the other way around, tdi valves into idi head?  Just wondering about parts availability for 1.9idi heads in the US.  It would be nice to be able to use common parts.

Title: Valves, 1.9idi and 1.9tdi, are they the same?
Post by: subsonic on July 21, 2007, 07:20:35 pm

Lots of lookers.  Any takers?

Title: Valves, 1.9idi and 1.9tdi, are they the same?
Post by: QuickTD on July 21, 2007, 08:41:05 pm

Nope, TDI valves are slightly larger and the stems are slightly longer.