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Old 07-31-2012, 08:56 PM
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Join Date: Mar 2012
Posts: 47
comp cams

i have a 92 yj 4.0 think doing a cam how hard is it any info

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Old 08-01-2012, 06:51 AM   #2
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Join Date: Jul 2012
Location: Cason Oldfield NC.
Posts: 108
Well either pull the engine or pull the grill, radiator (front end) off the jeep. I'd opt for the front end. Consider you have a camshaft the length of the motor, and it comes out around the crankshaft/waterpump area straight forward. That should give you an idea. Comp cams have several excellent grinds for the YJ's.
Here is a good set of videos for motor enlightenment. I recomend watching the series 1-6

Slow awake, Fast asleep.....
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Old 08-01-2012, 07:18 AM   #3
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Join Date: Oct 2011
Location: Front Royal, Va.
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I have done this a few times and it is fairly easy if you a mechanically inclined. Pull the grill and radiator in one piece. Pull the head and manifolds in one piece. Only problem I have found with pulling the head in one piece is the MAP sensor is in the way. The head with the manifolds is fairly heavy so a hoist or a friend may be needed. I am a fairly big guy so i can climb up there and yank it all without a hoist. Putting the head and manifolds back on in one piece with a new head gasket is the trick without a hoist or friend! Pull the belts and balancer, front cover and you are there. Use a magnet or long scribe to pull the lifters out. Pull timing chain then cam...careful with the cam and cam bearings. Lube the new stuff. Reassemble and use new seals!
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