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As far as I know the Howell kit is California emissions legal and the Holly isnt. I know a few people who re running the Howell, good bang for your buck, but if i had the money id go with the Mopar kit. <IMG SRC="smilies/jeep1.gif" border="0">
 

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The fuel pump in the Holly kit is junk I went through 4 of them 2 were bad out of the box! <IMG SRC="smilies/pissed.gif" border="0"> I have mine up for sale now (2bbl) got tired of fixing it.


hth
 

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The Holley system while not bad can be plagued by grounding problems. I also do not belive that the TPS on it can cope with water well. Mind you all of my experiance with the Holley system is from about 3 yeasr ago or longer, all first and seconed Gen sensors and controllers. I hear they are better now but I am still skeptical. Also it seems that Holley is all about phazing out old systems....this mean parts availability in two years could be a problem. They also seem to want everyone running their FI to own a lap top. Their system is freakishly adjustable, more then most users need but it requires a lap top. Last I heard this is the last year for the analog controller anyway and that means the end of pro-jection w/o a lap top.

A friend of mine runs the Howell kit and it seems great. He did seem to have a problem with it eating up O2 sensors but I feel that is because his heep burns about 3 gallons of oil for every hour of driving. The really nice thing about the Howell kit is replacement parts are all basically for a 90 S-10. This means they are cheap and easy to get at any pats store. No being busted out of state trying to find an oddball sensor.

just my .02
 

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My buddy and I installed a Howell on his 87 YJ. We did it in one day. No too hard, just a bit messy. Especially considering that you have to cut the fuel line to install the external pump and then go through the mess of existing wires to find the handfull that you still need and discarding the rest.
 

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I'm curious why you'd bother? I don't know what the Holley kit goes for but I see Howell's is around $1200 <IMG SRC="smilies/eek.gif" border="0"> Wouldn't it be easier/better/ maybe even cheaper to sell your 258 and swap in a 4.0L with factory EFI already on it? Or if you're already paying $1200 then go all the way and put an EFI 5.0 or 350 in instead (again selling the 258 to recover some costs)?

I realize this sounds funny coming from a guy who is putting EFI on a 401 ( <IMG SRC="smilies/rolleyes.gif" border="0"> ) but my own foolishness aside, I'm seriously curious why people pay so much coin to covert the 258 <IMG SRC="smilies/confused.gif" border="0">
 

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Originally posted by lost:
<STRONG>As far as I know the Howell kit is California emissions legal and the Holly isnt. I know a few people who re running the Howell, good bang for your buck, but if i had the money id go with the Mopar kit. <IMG SRC="smilies/jeep1.gif" border="0"></STRONG>
why not go to a yard, find a 4.0, get the head and MPI from it, and build your own? Around here, the whole 4.0 with around 30k can be had for about 600 bucks, so Im sure the mpi kit and head could be had for around 200 bucks.. Just my thoughts.
Scott <IMG SRC="smilies/grinpimp.gif" border="0"><><
 

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Discussion Starter · #8 ·
Well, I've talked to a lot of people, condisdered the cost on several options and have determined that finding a 4.0L is the way to go. Plenty of power and torque for California Wheel'n, easy to swap (I've been told the tranny bolt patterns are the same on the 4.0L and 4.2L.) and fuel injected.

It's amazing how much money you could dump into a 258. An engine rebuild with the Mopar MPI kit would cost around $4000. The 4.0L engine swap is the only option that really makes sense. A V8 swap might be cheep as well, but in spite of how often its been done it still seems like there would be way to many hidden surprises to over come.
 
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