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View Full Version : 4.0 head on 4.2


Zorm
09-12-2002, 02:06 AM
G'day
to those that have done this swap, I have read that there is increase in gas milage about 17%. My question is this, what about the low end tourque, can I still tow well or is that a trade off for the better gas milage??

gp_frk
09-12-2002, 02:14 AM
Zorm,
Welcome to the board. Not sure how many on this site have doen this. I am planning to do it in the future but am just getting into this addicition. I have read that there are increases in all three catagories. HP/Torque/milage. But like I said I have no personal experiance to give ya. Got any picks of that export?

Zorm
09-12-2002, 04:58 AM
Yea,
no pictures yet, the diff between it and its counterparts in the states are that the spedo is in kph vise mph, the rear tail lights have a yellow section for the turn signal, and when I turn on my parking lights, the headlights come on real dim.
When i get pictures I will send them to the list.
Not really new to the list. I was on it back in 96/97 when DOC was on the list. I bought his old cherokee from a small car dealer in Orlando back in 93.

Sundowner
09-12-2002, 05:10 AM
it's no trade off, it's better, all around.
this is a popular swap on J/U. do a yahoo seach on monsterslayer. it's one of the older head swaps on the net, but it's still the best