Simon_CSK Posted May 6, 2020 Share Posted May 6, 2020 I have found a 4.0 P38 in need of an engine and happen to have a 4.6 car which has a sweet engine. Is this a straight swap or would I need to play with the electronics in some way to make it work properly? Quote Link to comment Share on other sites More sharing options...
smallfry Posted May 6, 2020 Share Posted May 6, 2020 Provide they are BOTH the same management system, i.e. Gems, or Thor, it should be a straight swap. I believe the engine ECUs use the same map for both engine sizes. Quote Link to comment Share on other sites More sharing options...
Simon_CSK Posted May 6, 2020 Author Share Posted May 6, 2020 Yes they are both Thor and this one seems to be in really nice condition would be a shame for it to go to the crushert because it needs an engine. Just a thought would one change the gearbox at the same time or is that just creating work? Quote Link to comment Share on other sites More sharing options...
smallfry Posted May 7, 2020 Share Posted May 7, 2020 Theres a thought. Have a look at the label on the gearbox. The 4.0 will probably have a 4HP22. The 4.6 SHOULD have the 4HP24 which is a heavier duty box, unless it has been swapped sometime. So Yes, swing the whole lot in one lump if you can, less the transfer box as it is b heavy. They are the same, but I guess one would be handy as a spare. Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted May 7, 2020 Share Posted May 7, 2020 Just how many P38s do you need? 😛  Quote Link to comment Share on other sites More sharing options...
Simon_CSK Posted May 7, 2020 Author Share Posted May 7, 2020 6 hours ago, Bowie69 said: Just how many P38s do you need? 😛  Bowie I have just bought a 99 V8 D2 to add to the other two D2's I have and this is a Westminster P38 to add to the Classic, 2 P38 Vogues and an L322. 👿 Oh and a Mini Cooper Convertible. Buying them because they are extremely cheap and in very good condition. Plan to clear out when lockdown is over this is occupying my time and making a little money at the same time.😋 Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted May 7, 2020 Share Posted May 7, 2020 Totally fair play, if I had the time off I bet I would be doing the same! Quote Link to comment Share on other sites More sharing options...
Henry_b Posted May 11, 2020 Share Posted May 11, 2020 The 4.0 will fit, the 4.6 is a stroked 4.0  Gearbox will be the Hp22.. Quote Link to comment Share on other sites More sharing options...
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