ok so i have a 1996 discovery se7 5-speed that's going to need an engine rebuild soon. I want to upgrade to a 4.6 or better. I have read that there are a few routes. Ether I rebuild my 4.0 with the 4.6 crank and rods, and change the ecu programming I believe, or I swap in a newer 4.6 and have to change crank sensor position etc. so i guess i am curious about peoples opinions of the different ways. Are there other ways that I don't know about that I could do this swap, or other engines that are more powerful? I go into the mountains a lot and i have trouble climbing the hills with the 4.0 unloaded


also i found this truck for sale 2000 Land Rover Range Rover HSE I want to be sure that i know what i am getting i don't know rovers very well yet. this has a supercharged 4.6 in it correct? can i still use the crank and rods. more important question is has any one put the supercharged motor in a disco?

sorry for the wall of text, thanks in advance for your input

 

4.0 GEMS and 1999.5 -2004 Discovery 2 4.6 Bosch engines /systems are completely different. The only logical way is to stroke your 4.0 to 4.6. Retaining your original style management system.

 

I know your just asking about a super charger but have you any experience with custom engine work? What is your budget goal? The GEMS 4.0 and 4.6 share the same maps, no tuning changes.

 

yes, I have been building engines for the last five years have experience with tuning and high horse power applications. I have done multiple engine and engine management swaps in other types of cars. I am an ase master tech.

I would really like to be able to flat tow my miata to the track at the 80 mph speed limit, and climb the mountains at the speed limit with the rover full of people and gear to go camping. so another 50-100 whp should be more then enough. I'm not looking to build a monster. i just want more then stock, and i am trying to figure out my options.

budget is cheap. I can buy a rover like that and pull the motor and part the rest of the car and make my money back the goal is to have this project pay for itself -+$800 by the end but we will see.
That does seem like one of the easier ways, but i could also go buy a Chevrolet 5.3 and have 270 hp all day long and more reliability.


on that note some one told me that the rover v8 shares the same bell housing with Chevrolet v8s is that true?

 

If you can put in a 5.3 for cheap let me know. There is a company out of Australia that specializes in chevy engines in Rovers. Marks Adapters I believe. Then you have to worry about emissions testing etc etc.

 

Actually it's easier than that Shifty - GM truck Gen IV with trans. Only need an adapter between the 6L80E trans and LT230 transfer case. GM Gen 4 conversion including LS - Defender Source

 

There are two other engines besides diesels that have been done. Jag 4.0 with SC and BMW 4.0 NA out of a 7 series. Both have much more horse power and can be adapted to the LT230.

Diesels are the GM 6.2 and the 6.5, those do require adapters to mate with the ZF's.

 

that is an awesome read thank you for the link. the chevy v8 is more work then i want to do right now. im more curious about the land rover engine options as the goal for the rover is cheap and easy at this point.

 

another logical way is to swap intake manifolds, timing chain covers, and cps brackets.

 

Isn't the block different? Belt systems? Do the flywheel teeth for Crankshaft sensor work on the Bosch system? Ecu?