Dear all,

I had my lovely on a nice trip from England to the Netherlands when halfway he developed a lovely thick white smoke from the left side of the engine. Off to my garage and yes blown head gasket. Now i have a question can i swop my engine (V12) for a american v12 engine? are there main differences with the years and with uk ones compared to American ones. To all a happy x-mas and a good new year. May we always be driving. (just not in mine on the moment!)

all advise is welcome.

F. Nijen Twilhaar

 

Sorry the hear about your problem. I can't answer your direct question some of our American experts will chime in.

But you may have some issues with emissions control systems not being the same. Dunno.

Why not mend the one you have?

 

The USA market V12s have lower compression and different emission controls so you'll lose about 35 horsepower. Other than that, I don't see any problem....not that I've ever done it myself, mind you.

Actually, anything related to emissions could be swapped from the old engine to the replacement engine thus keeping Euro-spec equipment in place. But, of course, changing pistons to keep the Euro-spec compression ratio isn't in feasible in this scenario.

I'll add that there were minor running changes to the engine over the course of years but I can't think of anything that would make the idea unworkable.

Cheers
DD

 

hallo all,

a quick update! purchased a new engine today here in Netherlands 300 Euro (HAHAcheap). No electronics on engine but i can switch them over from my old engine. Now cleanup the new engine, new temp meters ect. hope all will go well. thanks for the tips.

 

Hey there, sorry to hear about your issues.

Sounds like you may be well on the way to getting them resolved though....fingers crossed for you

Maybe you'll end up doing a full write up with pics of the swap over? Could end up being in the forum FAQ's?

Please keep us updated

 

Dear All,

I have to start some where. This is my replacement V12 5.3L HE out of a xj12. don 75.000 Miles. All electronics need to be swopped with my old engine.
I'm thinking of replacing all sensors and coolant thermostats. keep you updated.

 

Looks like a great project you got there Frederik. I can't wait to see how you get on!

 

Good luck with it.Great price on the replacement engine.

 

dear all,

afther 2 months of pain stacking work my machanic had the engine running. wonder full to c that a 300euro engine is still running. unfortunately i can not upload the vid of the first start.