Both are rebuilt - they aren't making these things new after all. It's my understanding the 2150 has an additional internal feature which allows it to function well across a range of altitudes; with the 2100 you're more dependent on changing out the jets if you change altitude with any frequency. Don't imagine you see much change of elevation in Ohio, but it's up to you which one you go with.
I am planning on buying one of the carbs of the "Ebay guy" for my CJ7 258
Which carb would be better? The MC2100 rebuilt or the new MC2150 he offers..
New always seems better, but I did not know if the MC2100 was better than the 2150 or not..
Any advice is appreciated..
I WENT WITH THE 2150 WITH NO REGRETS. HE WAS A GREAT GUY TO DEAL WITH. GET IT WITH THE ELECTRIC CHOKE. COMES WITH #47 MAIN JETS. IT TOOK VERY LITTLE TO ADJUST MIXTURE, WAS VERY CLOSE. YOU WILL NOT REGRET IT.
You'll fill him in on your engine and any modifications, where you're located and what you plan to use it for (daily driver, etc), and he'll know enough to put the right jets in.
Just a warning, though, his after-sale support is minimal at best. He does provide good install instructions on a disc, and the carb isn't that hard to install and set up anyway, but if you have unforeseen problems like not running right, he's tough to get ahold of.
Also...Initially, I went with the throttle cable setup he included, which kept the pull down setup, but have since ditched all that for the shorter V8 throttle cable, and it is now rear pull. All that pull down bracketry is now gone, and much cleaner looking.
If you look around for junkers you could probably get a MC21XX cheap. I got mine for $25-50 each. Take them apart, put in a $20 rebuild kit, and throw it on the Jeep. Pretty much any Ford or Mercury with a V6 from the early 70's on will have a MC21XX.
85 CJ7 258, borla header, Team Rush, MC2100 ,optima batt, Warn 8274, agr super box 2 & pump, T5 w/ B&M shifter, centerforce 2, superior 1 piece axles, warn hubs 2.5 in lift, 31" BFG MT
I bought a 2150 from Ebay guy. It looks brand new. Was tuned perfect, I couldn't get it any better than the way he sent it. I did have a little issue with the trottle shaft, but no big deal. I emailed him about it, he answered right back with his phone number if I wanted to call. And even an offer to refund some of my money because I had to work on the carb a little.. But like I said it was no big deal, easy fix and I declined the refund.. But super guy to deal with..