ho moter or keep mine 00 4.0

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02-15-2010 | 05:49 PM

Namiexj00

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Joined: Jan 2010

Posts: 105

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From: Paducah ky

Year: 2000

Model: Cherokee

Engine: 4.0

ho moter or keep mine 00 4.0

whats the diffrence in the ho 4.0 than my stock 2000 4.0 like hoursepower and torqe

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02-15-2010 | 05:53 PM

98 JeepJeep

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Joined: Oct 2008

Posts: 2,543

Likes: 5

From: Stafford,VA

Year: 1998

Model: Cherokee

Engine: 4.0

Not much at all....a few hp/Ft lb from 91-01

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02-15-2010 | 05:54 PM

Namiexj00

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Joined: Jan 2010

Posts: 105

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From: Paducah ky

Year: 2000

Model: Cherokee

Engine: 4.0

would it be better 2 keep mine or get the last ho moter

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02-15-2010 | 05:55 PM

98 JeepJeep

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Joined: Oct 2008

Posts: 2,543

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From: Stafford,VA

Year: 1998

Model: Cherokee

Engine: 4.0

I cant answer that Y would you want to swap? if nothing is wrong with yours leave it alone......

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02-15-2010 | 05:59 PM

Namiexj00

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Joined: Jan 2010

Posts: 105

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From: Paducah ky

Year: 2000

Model: Cherokee

Engine: 4.0

no swap just wanted 2 no if there was a diffrence in hp and ftlb from the 2 moters

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02-15-2010 | 06:00 PM

98 JeepJeep

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Joined: Oct 2008

Posts: 2,543

Likes: 5

From: Stafford,VA

Year: 1998

Model: Cherokee

Engine: 4.0

99+ makes the most power due to all the emissions crap that is on the motors.....

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02-15-2010 | 06:07 PM

Namiexj00

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Joined: Jan 2010

Posts: 105

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From: Paducah ky

Year: 2000

Model: Cherokee

Engine: 4.0

o ok i didnt no thanks tho

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02-15-2010 | 06:08 PM

winston427

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Joined: Feb 2009

Posts: 5,900

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Model: Cherokee

All the 4.0s from 91 up are considered H.O. engines even though the H.O. badging was dropped in the later years. Here is a little info on each years hp ratings.

Engines

2.5L I4 carburated - 105 hp @ 5000 rpm, 132 ft lb torque @ 2800 rpm - used in 84-85 models

2.5L I4 TBI (fuel injected) - 117 hp @ 5000 rpm, 135 ftlb @ 3500 rpm - used in 86 and updated in 87-90 to 121hp

2.5L I4 MPI (multi-port injection) - 130 hp @ 5250 rpm, 139 ft lb @ 3250 rpm - used in 91-00

GM 2.8L V6 - 115 hp @ 4800 rpm, 145 ft lb @ 2400 rpm - used in 84-86

Renault 2.1L 4cyl. Turbo Diesel - 85 hp @ 3750 rpm, 132 ft lb @ 2750 rpm - used in 85-87

Italian VM 2.5L Turbo Diesel - 140 hp, 236 ft lb torque - used in overseas XJs

4.0L I6 EFI "Power Tech" - 177 hp @ 4750 rpm, 220 ft lb @ 4000 rpm - used 87-90

4.0L I6 MPI "Power Tech HO" (High Output) - 190 hp @ 4750 rpm, 220 ft lb @ 4,000 rpm - used in 91-95 and updated in 96-01 to 225 ft lb torque @ 3000 rpm (00-01 models use a distributorless ignition system)

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