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post #1 of 5 Old 05-22-2001, 05:05 PM Thread Starter
Loomis4wheeler
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Fuel Injection

I'm planning to add Fuel Injection to my 87. I'm not sure if I'm going to install TBI or multi-port. Has anyone installed either of these kits? The factor is cost, the multi-port runs about $2100, compared to the TBI at $1200.
Thx in advance for your inputs.

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post #2 of 5 Old 05-23-2001, 02:43 AM
lostboy
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Just got the Mopar racing catalog and it's 1695 for the kit minus the harmonic balancer for the MPI. I heard someone got the whole kit with everything at Summit Racing for about 1600. I'm chompin at the bit to get my hands on this one for my '89.
Just waitin for the weather to clear up here to check the engine and see if it will handle it. Keep in mind this is only for the parts.Install is extra.Good info at http://www.jps.net/todherman/moparmpi.htm

89 yj w/ mopar mpi and 4.0 head.94 ax-15 tranny and t-case, more mods comin.
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post #3 of 5 Old 05-23-2001, 05:34 PM Thread Starter
Loomis4wheeler
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Lostboy, thx for the web site. Those are some of the best write-ups I have seen yet. Very well done. If anyone has questions about fuel injection systems, I highly recommend the web site lostboy identified.
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post #4 of 5 Old 05-27-2001, 03:37 AM
lostboy
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Loomis...Just checked my engine today and it looks like a good candiddate for the mod .Gonna call around on Tuesday for the best price.
Cylinders are all about 140 compression and vacuum is pullin 21 with no fluctuation. This is on a motor with 122000 miles. GOODBYE CARTER.
Plannin(hopeing) i can get the 4.0 conversion done soon too.

89 yj w/ mopar mpi and 4.0 head.94 ax-15 tranny and t-case, more mods comin.
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post #5 of 5 Old 05-28-2001, 01:02 PM
osburn
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I have a couple of friends running the JFI kit and one running the Mopar kit. When they're working, all three work fabulous. But the JFI kit seems to have more trouble. One of the real problems are those thousand tiny little jumper wires. Some will work loose over time and it's a nightmare trying to figure out what went wrong. JFI's customer service has been a bit of a problem too. I guess they treat anyone with a problem like they're an idiot for not knowing what the problem is. Even though they've failed to identify the problem themselves in each case. The fellow running the Mopar kit has never had a single problem.

Matt Osburn
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