the motor from anything earlier than '91 will have less power-the heads are
different. i would personally opt for a rebuild...

"Snow" <snowball_2004@msn.com> wrote in message
news:_0vUa.9215$1I5.1198277@news20.bellglobal.com. ..
> Asking for a co-worker,
>
> A co-worker of mine has a 95 XJ with a 4.0 (I don't know the mileage off
> hand but it has to be close to 280,000 km's), anyways currently it is
> burning lots of oil and needs a rebuild bad, he was wondering about
swapping
> the engine out with a 4.0 from an 89 or 90 Comanche truck (he knows
someone
> who is junking one) Would he get away with just doing a straight forward
> swap or would he need to pull a few other parts as well?? and what would
> those parts be??
>
> Thankies
>
> Snow...
>
>

 

serg wrote:
> the motor from anything earlier than '91 will have less power-the heads are
> different. i would personally opt for a rebuild...

And if it needs bored out you could go over a bit then stroke it out. :)
While your rebuilding, stroking isn't that much more expensive.

Then port and polish (heck, you have the head off anyway)

That will give your 95 a lot more power.

> "Snow" wrote...
>> Asking for a co-worker,
>>
>> A co-worker of mine has a 95 XJ with a 4.0 (I don't know the mileage off
>> hand but it has to be close to 280,000 km's), anyways currently it is
>> burning lots of oil and needs a rebuild bad, he was wondering about swapping
>> the engine out with a 4.0 from an 89 or 90 Comanche truck (he knows someone
>> who is junking one) Would he get away with just doing a straight forward
>> swap or would he need to pull a few other parts as well?? and what would
>> those parts be??
>>
>> Thankies
>>
>> Snow...