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Yeah, the mounts in that kit are polyurethane. Most all the aftermarket stuff uses poly bushings unless they're trying to match OEM. It's cheap and easy, and there are advantages to it, but a harsh ride and more vibration are the downsides. Poly also lasts a lot longer and stand up to abuse...

I don't like that the bushings are outboard and hard. That's perfect for offroad rigs, but transfers too much vibration and restricts movement more than I want for a Jeep intended for pavement and light trails. I'm not needing a universal kit; I can fit mine without the extra joints and holes...

Ok, I like some elements of Genright's design, but not others. Here's my first pass at a crossmember design. I still have some refining to do, and none of it's to scale; I'll have to measure everything tonight and plug the numbers in. This one allows me to capture all four mounting holes (the...

That's the option I'm leaning towards. I've done something similar on a crawler I built, and it worked well. This rig will spend most of its life on the road, so the urethane bushings you get in kits like that would be too hard. With a pair of bushings so far from the transmission, which will...

There's several different paths to upgrade the yj's notoriously spongy brakes. You can go with a dual diaphragm booster from a '95 yj, or there are a couple others that folks have modded in. The most popular master cylinder swaps seem to be either from a 85 Ford E350 or a Dodge Ram 2500. I'm...

Point of no return: The 4.0 motor mounts are history. Had to remove the front brake lines and the steering shaft to get enough room to take the left mount clean. Since the brake lines are opened up, I'm thinking about doing the master cylinder/booster upgrade while I'm at it. Decisions...

The thing about a linked suspension is that there's a lot to it even before you get into the black hole of shock tuning. The generic, bolt on kits you see don't address anti-aquat or roll center. Ignore roll center and you'll get a rig that gets wobbly over 45mph. Ignore anti-squat and the...

Progress! The drivetrain is out, and I'm starting to sort the wiring to turn this thing into a...Jeevy? Cheveep? Whatever. It's a mess now, but it'll be nice and clean when I'm done; I promise.

Heh. I'm not simple enough to ever want to tune another carburetor. With the Fuel injection, the 'simple' comes after, when you get it running and it just works. Last time I did one of these I took a 70s era 350 and retrofitted early 90s throttle body injection on it. It worked great. I...

If you own a Jeep YJ, at the time of this writing it is at least 24 years old. That’s a long time for a rig that was designed in the early 80s, when the American automotive industry was, frankly, not doing its best work. If you’re going to keep your YJ working reliably, you’re going to need to...

It was a tough decision. On the downside, the 4.3s are all really long in the tooth these days (but then, so am I <g>). That drives the cost/effort up if you're trying to make it nice. All the rubber parts are rotten. All the metal parts are corroded, worn, rusty, caked with 30 years of...

Ok, the engine and transmission are ready, the shop is cleared out and the Jeep is staged. Tonight after work I'll begin pulling the fuel injected 4.0/auto and prep to drop in a rebuilt 4.3 V6 from a 91 S10 Blazer. I'm using the 700R4 tranny (also rebuilt) and the NP241C transfer case from the...