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Old 10-25-2005, 06:30 PM   #1 (permalink)
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Yj fuel injection.

I looking for information. On doing a CA smog legal fuel injection swap on a 87 yj for a friend. Just wondering who makes the best kit out there. Has to be able to smog in California. Just wanted some advice from anyone who has done this. Looked at Howell's kit last night. Anything to watch out for when doing this swap. Also are there any vendors here on the board fh a kit.

My advice was 350 tbi, but he wasn't going for it
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Old 10-25-2005, 06:47 PM   #2 (permalink)
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Im gonna say, IMHO, the howell kit is the best bang for the buck for a new FI kit.. the mopar kit is good, but I like the simplicity of TBI. Im either gonna run the howell kit, or just go propane.
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Old 10-25-2005, 07:08 PM   #3 (permalink)
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Howell is an excellent company. Don't over look Hesco or Mopor. Hesco made a Complete FI kit, which now Mopar now distributes, to convert carb'd motors. I am pretty sure it is ARB leagal but call or email to make sure(includes injectors, manifold, rail, computer, harness, etc....)

http://www.fourwheeler.com/techarticles/129_0309_efi/
http://www.hesco.biz/cgi-bin/ez-cata...cgi?4X364946#g

Hope that helps
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Old 10-25-2005, 08:28 PM   #4 (permalink)
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IMHO--why bolt new parts on an old motor. If a GM 5.7 or 4.3 TBI wouldn't fly then just go to a 4.0 HO. The older OBDI models are easier to smog but I'm into my '98 OBDII under $1200 and it smogs. Careful shopping and research and it's not that tough.
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Old 10-25-2005, 10:01 PM   #5 (permalink)
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thanks for the feedback. No 4.0 swaps. This needs to remain simple. It is for a dd some no need to throw a GM powerplant either. Thanks Again.
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Old 10-27-2005, 05:33 PM   #6 (permalink)
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I'd suggest going to pick n pull in Sacramento and getting the head and fuel injection off of a 87'+ Jeep Cherokee. There are many to chose from at the pnp, I saw close to a a dozen of them at the pnp off of Sunrise, just south of 50. Better yet, get a 91'+ for the HO head and fuel injection. I don't know why more people don't go this route with their carbed 87-90' YJs. XJs were had fuel injected 6 cylinders from 87'+.

Troy
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Old 12-13-2005, 07:15 PM   #7 (permalink)
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Old thread, but have some input, so thought I would. I think the Mopar is the best kit, done several and found it best ease, good running, best acceleration, etc.

Done some engine swaps in California too, and I will say they are many times the nightmare that the MPI is, not because they are hard, but because state smog makes them hard.

Mopar parts designed for Mopar motor = works right with no problems. Before you do the swap, read this thread for lots of good info:

/forum/jeep-hardcore-tech/367060-4-2l-mpi-kit-pinging-problem.html
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