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Old 11-02-2017   #1
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Looking for 2.4jtd engine gurus

Long shot but I'm after info on 2.4 Utd ten valve / 2.4 jtdm twenty valve component interchangeability.
For example is the 20 valve bottom end the same as the 10 valve?
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Rosso Fiat coupe 20 valve turbo
Broom Fiat coupe 20 valve turbo
Fiat Multipla 1.9 multijet
Fiat Marea HLX 130TD
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Old 11-02-2017   #2
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Re: Looking for 2.4jtd engine gurus

To the best of my knowledge, the 1.9TD and the 2.4 TD had little more than a new head and injection system, the block remained the same, AFAIK even the multijet shares the same block, with very little (if none) modification from the TD days. The Wikipedia JTD page seems to agree with me on this one. If i were you though, I would take a look at some of the Alpha or Lancia forums, the FIAT 2.4JTDs are as rare as hens teeth, and finding anyone here with that level of knowledge is going to be tricky, where as, on the other hand, many of the Aphas have them.
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Marea Weekend 2002 Saint Moritz JTD 110 The thread
Marea Weekend 1999 ELX TD100 (DECEASED head gasket failure)

Last edited by franglais; 11-02-2017 at 18:08.
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Old 11-02-2017   #3
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Re: Looking for 2.4jtd engine gurus

Thanks
I've checked on eper and the part numbers are different for the Alfa 20 valve and fiat 10 valve.
I have a marea 2.4 ten valve and also an Alfa 159 2.4jtdm although visual inspection of both engines is almost impossible with ancillaries fitted in the engine bays.
The 20 valve engines are hugely expensive to find used (eBay)
My Marea is the 130bhp
The ten valve alfas got 140bhp
The 156 20 valves had 175bhp
And my 159 20 valve has 200bhp.

I'd love to feel how that engine would perform in the marea being almost 400kg lighter.
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Rosso Fiat coupe 20 valve turbo
Broom Fiat coupe 20 valve turbo
Fiat Multipla 1.9 multijet
Fiat Marea HLX 130TD
My collection
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Old 11-02-2017   #4
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Re: Looking for 2.4jtd engine gurus

I'd love a 159 sw
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Marea Weekend 2002 Saint Moritz JTD 110 The thread
Marea Weekend 1999 ELX TD100 (DECEASED head gasket failure)
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