Stickin a 2 barrel carb on a 232

I've seen lots of posts with people talking about putting a Weber 2 barrel carb on their 258s.

Would there be any point/performance gain from putting one like this onto a 232?
http://shopping.jeep4x4center.com/popup.asp?number=K550

Apparently jeep4x4center has a Weber 2 barrel that will fit a 232.
Don't really want to drop $400 on one, but its something that I've been wondering for a while and would be good to know if the right situation presented itself.
Thanks


FUTURE EDIT:This is what I ended up doing: http://www.earlycj5.com/forums//showthread.php?p=654626

 

If I were to open up the carb and breath more air and fuel in, I would also get a larger intake - two barrel intake. I don't know if you can get one for a 232 - should be same as the 258 I think. I know when we did a 258 the larger intake helped bring the fuel/air into the block and get an additional gain. I think it was a Clifford(sp?).

 

A 232 is just a 258 with a shorter stroke (3.5" v. 3.9") so I'd expect any upgrades would have the same percent increase effects as with a 232.

The 232 is rated 100 hp net, and the 258 is rated 112 hp, 12% more. The 258 is 11.2% larger in displacement than the 232 ... pretty close to that 12% difference in hp.

The same scaling would apply to the 232 v. the 258; if the Weber increases the hp 5% for the 258, it will go from 112 to about 118 hp, while the 232 will go from 100 to 105 hp.

<edit> Oh, Indeed! Garbageman is right - use a 2V intake. The manifolds from an 81-on 258 will bolt up, and are much smoother than the earlier siamesed manifolds (the newer intake is aluminum). No need for an expensive aftermarket manifold.

Anything that will fit the 258 will fit the 232, except for rods, pistons and crank. In fact, you can make a 258 from a 232 by just replacing the rods, pistons and crank. Identical engines except for the displacement. The main downside to the 232 is ... 258s are cheap and available, so you may as well get that extra 12% hp by going with a 258. Otherwise the 232 is a fine engine.

 

Thanks guys!
Yeah, I hate to ditch a well running engine.
Once I tuned up my 232 she seems to run just fine.
I'm not sure if switching to a 258 would be worth the hassle and expense (given mine still runs good)
Along those lines, would another 5hp be worth $$ for weber carb and manifold?
Doesn't look like it.

But now I know the score.
And if I come across a deal, that always changes things
Thanks!!

 

If you're looking for a cheap upgrade get a later model 2bbl intake from a 258 as timgr said and find a Motorcraft 2100 2bbl carburetor in a junkyard. These things are a dime a dozen and a simple bolt on with the right adapter (if you google MC2100 you'll find tons of information on this swap).

I did this on my 74, replacing a 1bbl on a 258 and the seat of the pants performance gain was astounding. Lots of bang for very low buck. (I already had the carb lying around, just need to buy the adaptor for ~ $25.)

 

I just found this guy on ebay... Seems like a good deal.
http://cgi.ebay.com/ebaymotors/ws/e...RK:MEWA:IT&viewitem=&item=220115190488&rd=1,1

Im gonna order one of his kits next week, Ill post the results after the install.

 

Awesome find N3XUS_6!

Garbageman: Is that your 258 I see on this guy's page?

OK, so this guys sells the MC2100 carb $285, tuned and jetted to your spec, with mounting plate, gaskets, throttle linkage
+ Chrome Air Cleaner $18
+ New electric choke $15
= $318

A new intake for $80 or adapter plate for $30.

Nice.

What would be the difference between changing the intake manifold (besides the new smooth ones) and an adapter plate?

 

$285!

Seriously, what does "tuned and jetted to your specs" mean?

These are the simplest carbs in the world. Don't waste your money paying that much for one. Get a $10 junkyard carb and a $15 NAPA rebuild kit and you're good to go. You can rebuild one in about 15 minutes. They are that simple.

Even Autozone and the other local parts stores have rebuilt carbs in stock for less than $285. That's nuts.

 

Wow, nevermind. That is expensive.
I emailed the guy and he said that a 2100 with his [FONT=Arial, Verdana]2bbl-1bbl converter would work great.
I've never heard of anybody putting a 2100 on a 232. Would that be overkill?

Since it worked good on Pathkiller's 258, it shouldn't be too far off for a 232.
Thoughts on drowning my 232 with a MC2100?
[/FONT]

 

Yeah, thats my 258. I bought just the plate and carb. I think around $175 a year ago or so. I found (2) 2100's at my local yard, after 3 weeks of trying to rebuild and tune I gave up.

I have a guy here in town that was rebuilding these for $65 with the jets you needed.

$20 carb from the bone yard
$65 rebuild
$20 adaptor plate if you need it
------------------------
$105 total = best hp and performnace gain you can make for the 258 for that price. No more stalls or stumbles.

 

So would i need an adapter plate for my 258? If so, are they easy to find? I've never rebuilt a carb before...maybe I'll check around a bit more before ordering then.

 

No, I don't think it's overkill. There are different MC2100's with different sized venturi's, the one you want will be stamped "1.08" on the carb, it is the smallest that is commonly available.

Just do a Google search on MC2100 and you'll find tons of info, this is one of the most common Jeep swaps in the world and has been thoroughly discussed in the internets.

Example: http://www.jeepaholics.com/support/topic.asp?TOPIC_ID=40613

 

If your going from a one barrel to a two, yes. And for the bolts to match up, sometimes yes. You can make or have made for you locally.

 

ok, thanks