Engine New Winter Project. Rebuild or Buy Remanufactured 258 i6?

[Genaz]

This winter's project will be the engine: 258c/6 cylinder. Not sure if I should have this motor rebuilt or buy a re-man. Getting different opinions. Never know what you're getting with a remanufactured engine, but the other side says by the time you do the heads, crank, cam, etc your better off just getting a re-man motor. Will be changing the intake and carb when I do this. Probably M/C 2100. Opinons and recommendations appreciated!

 

[Genaz]

Hi Everyone. Starting to put new 258ci/AMC 258 i6 / 4.2l engine for the 79CJ together. I'm seeing a lot of posts about switching to an HEI distributor and eliminating the coil and ignition control module. All the ads say "one wire" direct hook up, but I'm always skeptical. Any feedback, photos, advice is much appreciated.

 

[Belizean]

I had some MSD stuff, coil and an MSD box and new MSD distributor. Took it all off and put a new DUI HEI distributor. No regrets at all. Easy install.

 

[Manic Mechanic]

I've been running a GM HEI for almost 20 years now. Not a single problem

 

[Genaz]

I had some MSD stuff, coil and an MSD box and new MSD distributor. Took it all off and put a new DUI HEI distributor. No regrets at all. Easy install.

What's the install like? Any photos and recommendations on brand or model for the AMC 258 i6 / 4.2l /6cyl?

 

[Manic Mechanic]

Pull the old unit. Set engine to TDC (top dead center) of compression stroke. Drop in new unit. In stall new wires in correct timing order. Wire up for 12v switched power. Start it. Set timing at approximately 9⁰ before TDC. Run it.

Not great pics but you get the idea. I buy plugs wires for a Ford inline 6 (300 ci) engine. Works great. Or some places offer a kit that comes with wires.

 

[Belizean]

This is mine. I’m still using my MSD wires. High quality. I do have a set of Belken wires for the Ford I6 300 just like MM for a spare set.

 

[Genaz]

Great information and photo's guys. Thanks. I'm seeing a huge range in prices, anywhere from around $90 to around $350.

 

[Genaz]

And MM, can I get a picture of your brake set up? I put in power brakes about a year ago before I took the CJ off the road. I had a h*ll of a time finding a vacuum port and an air cleaner that fit.

 

[Manic Mechanic]

I'll get some when I get home. I had to change mine up when I put the EFI on and moved my engine back

 

[Genaz]

Thanks!