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Jaguar 4.0/ 4.2/ Lincoln 3.9 interchangeability?

   
Old Sep 18, 2014 | 11:02 PM
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Thank-you Count Iblis. Nothing better than direct from the source.
 
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Old Sep 19, 2014 | 02:01 AM
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Originally Posted by Count Iblis
The 4 litre engine uses a 16 bit ECU system while the later 4.2 onwards use a 16 bit system, both Jags use a denso system, while the Lincoln uses a variant of the Ford EEC ECU system.
I'm under the strong impression (belief) that the 4.2 uses 32-bit Denso not 16-bit. The (S-Type) ones I have had apart have (2 of) the Renesas SH7055 and the PanPAG has SH7058

(The 4.0 Jag S-Type is non-Denso PTEC 16-bit as I recall.)
 
Last edited by JagV8; Sep 19, 2014 at 02:07 AM.
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Old Sep 19, 2014 | 09:14 PM
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Originally Posted by JagV8
I'm under the strong impression (belief) that the 4.2 uses 32-bit Denso not 16-bit. The (S-Type) ones I have had apart have (2 of) the Renesas SH7055 and the PanPAG has SH7058

(The 4.0 Jag S-Type is non-Denso PTEC 16-bit as I recall.)
Mistake on my part- I meant 32 bit- the later 32 bit ECUs were torque based ECUs rather than airflow which makes it even more complicated to map
 
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Old Nov 13, 2017 | 07:57 AM
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Default Swap? what swap?
not an easy swap, but unkique, I think.
 
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