4.0 flat-tappet vs. roller vs. hydraulic roller cams
#1
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Year: 1991 (2-door)
Model: Cherokee
Engine: 4.0L
4.0 flat-tappet vs. roller vs. hydraulic roller cams
Does anyone have a link to explain in detail and or know the differences between flat-tappet, roller and hydraulic roller cams and what are the pros and cons of each type as it pertains to our Jeep's 4.0? Is one more reliable than the other and or be able to make more power than another?
What kind of cam comes in the '91 and later 4.0's?
I'm building a 4.6 stroker and want to make the most reliable power(idle-5200rpm's) as possible while also trying to stay within a reasonable budget.
Any info or links to get me started would be much help!
What kind of cam comes in the '91 and later 4.0's?
I'm building a 4.6 stroker and want to make the most reliable power(idle-5200rpm's) as possible while also trying to stay within a reasonable budget.
Any info or links to get me started would be much help!
#3
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Last edited by Adan111; 07-07-2012 at 06:06 AM.
#4
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
That clarifies it for me.
#6
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Year: 1990
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#7
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Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
Originally Posted by cruiser54
Yep. I wouldn't put a roller cam in my rototiller, would you?
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#8
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Year: 1991
Model: Cherokee
Engine: 4.6 stroker
what's your duration? I just got off the phone with them. And what kind of performance did you get out of it? I'm running my 4.6 stroker with a stock can now. No power at high RPM's
#9
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Year: 1993
Model: Cherokee
Engine: 4.0, APN header & 2.5" exhaust
Ditch the stock cam and go with something close to the Comp 68-232-4. A dual pattern cam with some help on the exhaust side does our engines good.
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