My new Toy, custom 258 questions - Page 2 - JeepForum.com

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post #16 of 51 Old 07-31-2013, 03:38 PM
walkerhoundvm
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Just FYI, you'll still have to modify the air cleaner connections a bit to get it to work with a TBI. The TBI is a good choice, and wiring it isn't too bad. You'll need a check engine light, though - give me a shout and I'll mail an OEM-looking one to your builder for shipping if you want. It'll need to find a place in the dash to be installed, though.



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post #17 of 51 Old 08-01-2013, 06:47 AM Thread Starter
Tyger78
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Quote:
Originally Posted by Oily View Post
Thank you for your service, !
Thanks Oily, I'm no longer Active Duty though, just a contractor now.

Walkerhoundvm::::: That check engine light is gorgeous. I'll definitely be buying one from you. In fact, I'll PM you post haste to procure it. I just found placement for it too..... Going to slip it right above the steering column and below the dash pad. Not too obvious, but a good spot.

Any input on the intake I should use for the TBI? I gotta get rid of the intake that's on it right now.

I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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post #18 of 51 Old 08-02-2013, 11:31 AM Thread Starter
Tyger78
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My stand-in that was supposed to be "building" at my request is getting fired. Well.... not technically fired, just "not using him once this one job is done".

I told him to remove the engine, take it to the engine shop to have it completely rebuilt with new EVERYTHING and when it's done, this will be in show room condition. Well.... the engine shop is done with it and he tells me, "hey, it cost an extra $250 because they had the wrong rods in there, or had to replace the springs (whatever he said) the head is from a 4.0".

So..... in my mind, all I heard was (they weren't actually using new EVERYTHING, never contacted me with options of parts, then it comes back un-painted).

Okay, I got over that. I then told him I need the "casting code" on the head so I can figure out which one it is, and order the new intake, and TBI for it"
He says.... "well if you put a TBI on it, then you need a new wiring harness, computer, distributor....etc.. yada yada yada.... lets put the carb back on and see how it runs"

SCREACHING STOP............. Woah..... What did you just say to me? I had told you that this thing was going to be built to my specifications, or I'd just let it sit in the driveway and I'll do it myself.

Note: These are all things going on in my head and not coming out of my mouth. I was always happy and never rude about anything.

So in the end.... I told him "okay, cool. We'll just finish up the engine install and I'll get it back home, thank you so much."

If anyone knows of someone down in the south somewhere that wants to make some money and build and install parts at my expense, that can do it how I ask.... please let me know. It's either that, or I waste my measly 4 weeks home every year working on it myself and I might just have it done in about 8 years.

Don't get me wrong, I absolutely hate paying labor for something I'm absolutely capable in doing and do for a living, but vacations are worthless if there's nothing to come home to.

I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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post #19 of 51 Old 08-02-2013, 08:33 PM
John Strenk
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I'm just thinking out loud here but

4.0 head, wrong rods, mpfi intake and exhaust.

Are you sure the engine wasn't originally a 4.0?

Or a 4.0 with a 258 crank making it a stroker?

Just concerned what they might of done to your engine if the put in the wrong parts.

Anyway I thought 4wd or Quadratek sold the TBI kits for the 4.2


Summit racing has the Mopar MPFI kits
http://www.summitracing.com/search/p...onversion-kits


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post #20 of 51 Old 08-02-2013, 10:06 PM
james04si
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Yeah both quadratec and 4wd has the Howell TBI kit. For that matter you can contact Howell directly and they will work out a kit for your specific engine/tranny combo and its the same price as going through one of the 4 wheel sites. I have a Howell using a stock 81+ intake manifold. Works great and the chip he burned for my engine setup was basically spot on.
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post #21 of 51 Old 08-02-2013, 10:22 PM
Golfin8
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Depending on your T-case and Transmission, for the money you're talking about spending on the engine I would say the heck with all that and get a nice Vortec 4.8 dropped in there... the guy at BD Turnkey on Pirate looks like he turns out nice kits -


If my Scrambler didn't have a practically new 258/TBI setup with 3k miles I would have likely gone this route... using a Novak adapter to bolt onto the T176.
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post #22 of 51 Old 08-07-2013, 05:19 PM Thread Starter
Tyger78
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Good call John, I'm not there to check it out, but once it gets to the new builder in Panama City, I'm sure to have this figured out. I contacted "Son of a Jeep", explained how OCD/anal I am about this project and he claimed to understand. So... when ever I get it out of this first place, I'll be sending it to Florida. Good thing too, because I lived nearby in Fort Walton Beach for 10 years, so I'll have no problem having friends stop in to check up on things.

I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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post #23 of 51 Old 09-05-2013, 04:49 AM Thread Starter
Tyger78
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I'm probably going to have to start some kind of actual "build page".... but for now, John brought up a good point about the engine. Here is an extensive amount of pictures that I need help in properly identifying this engine and it's major components.

Mainly, just need to know if this is a normal 258, or some kind of 4.0 stroker hybrid.

Sorry for the picture overload, but I hear they are worth a thousand words a piece, so I'm under my limit.

I will be ordering the TBI/intake/exhaust.... distributor, MSD Ignition, pulleys.... etc.... So any detailed information on doing so is valuable.
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I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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post #24 of 51 Old 09-05-2013, 11:22 AM
gmakra
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Thats a 4.2 block because it has a fuel pump on it. So it not a stroker.
See if the head is 2686 that would be appropriate for the Mopar FI conversion 87-90.
The header looks like it from a 2000+ 4.0.

So if you go the carb route you will have to do some work to the manifold to get it to fit.
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post #25 of 51 Old 09-05-2013, 01:24 PM Thread Starter
Tyger78
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Where would those numbers be on the head? anything I can zoom in on from these pictures? I'm currently out of the country and I'm trying to set up all the parts for when I come home for my two week vacation.

I'm going to go with the Throttle body injection instead of the F.I. I'm hoping to have the right head in order to do so. I'm not too keen on what heads work with what.

I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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post #26 of 51 Old 09-05-2013, 01:32 PM Thread Starter
Tyger78
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Does this number help at all? I'm really not trying to be stupid, sometimes it's just natural.
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1006079_537099056362520_422576471_n.jpg  

I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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post #27 of 51 Old 09-05-2013, 01:43 PM Thread Starter
Tyger78
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A quick search returned #7120 head stamp is from a 91-96. Now I don't know what the hell to do.

I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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post #28 of 51 Old 09-05-2013, 01:48 PM
j33pman
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I believe 7120 is a mid 90's 4.0 head casting.

Edit - you beat me to it

Bill H. - 1984 CJ-7
Now with Fiberglass!

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Last edited by j33pman; 09-05-2013 at 01:49 PM. Reason: beat me to it
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post #29 of 51 Old 09-05-2013, 01:59 PM
j33pman
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Maybe something like this -> http://www.hesco.us/products/21873/j...l#.UijiUNLksqI

Or you could contact these guys about it as well -> http://howellefi.com/

Bill H. - 1984 CJ-7
Now with Fiberglass!

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post #30 of 51 Old 09-05-2013, 02:23 PM Thread Starter
Tyger78
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Thank you so much. I just wrote to Howell to see how they can help. I'm hoping to have something waiting for me when I get home. I couldn't believe how much the Hesco kit was. Either way, I think you gave me some good options and I appreciate that. I'm losing my mind.

I've done lost my mind...... mind.... mind.... mind..... mind..... what a silly word.
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