stock camshaft specs? -

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post #1 of 5 Old 12-29-2009, 02:35 PM Thread Starter
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2004 TJ Wrangler 
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stock camshaft specs?

Does anyone have any info on factory camshaft specs? In particular 2004, but I'd imagine any of the F.I. engines would be the same or similar.

COMP Cams - Cam Details

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post #2 of 5 Old 12-29-2009, 03:12 PM
Running Secretly Amok!
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For curiosity... why?
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post #3 of 5 Old 12-29-2009, 04:53 PM
This post/info=my opinion
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The stock '96 and later Jeep 4.0 camshaft is a dual pattern cam with the following specs:
Advertised duration int./exh.: 256.0/260.0 deg
Duration @ 0.050" lift int./exh.: 188.0/192.0 deg
Valve lift int./exh.: 0.408"/0.414"
Lobe separation angle: 107 deg
Intake centerline angle: 114 deg
Valve overlap (advertised): 43 deg
IVO: 20 deg ATDC (0.050" lift)
IVC: 28 deg ABDC
EVO: 16 deg BBDC
EVC: 4 deg BTDC

Sourced from here:
Another source showing almost every cam for the 4.0L/4.2L:

Last edited by Unlimited04; 12-30-2009 at 09:37 AM.
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post #4 of 5 Old 12-29-2009, 04:59 PM
never monday
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changing cams won't help much

regearing is more effective
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post #5 of 5 Old 12-30-2009, 09:32 AM Thread Starter
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WOW Thanks Unlimited04. I knew someone would have this info. I tried searching for this info and came up empty.

As for the other "tools".....
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