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More from a 4.0L

C

CJ8R

CJ8 Owner
City
Laramie
State
WY
I am considering putting a 4.0L in my 82 but I want to bump it up a little. What kind of modifications can I do to increase the torque? I see there are plenty of aftermarket things I can add on to increase the HP but what can I do to gain more torque? Idealy I'd like to have around 280-290 lb. ft. of torque but I'm not sure if this is possible. As always thanks in advance for the help.
 
Put in a stroker kit. That'll get you pretty close to that number. It'll bump the displacement up to a 4.5L without boring. .030 over will get you a 4.6L and .060 over will get you a 4.7L. You can either do it yourself using a 258 crank and rods or go with a full kit $1500-3000.
If you want a kit:
www.accuratepower.com
www.hescoc.com
www.cliffordperformance.com
Do it yourself:
http://www.bc4x4.com/tech/bryce/stroker/stroker.cfm
http://www.off-road.com/jeep/cherokee/xjtech/xj-engines.html
http://groups.yahoo.com/group/strokers/
 
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