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Went through this on mine recently as well when my 77 got backed into and I found a 79 donor. I was really surprised when the bumpers were also different. Pleasantly surprised though that the 79 bumper assembly is a LOT lighter than the 77.

Pending funds.

I have a 4bbl intake and carb that I was going to use on my slant six before it turned into a 318 Magnum. Parts are located in Albuquerque, and I will ship. Offenhauser 5270: Very nice 1997 casting, all threads look great. Freshly sandblasted and ready for color of your choice. Comes with...

Sold!

96-00 Vortec trucks provide an excellent coil bracket and module heat sink. The Vortec module is not useful unless you’re running something like MicroSquirt for computer controlled ignition, but the heat sink can easily be modified to take an older 4 pin HEI module. The Vortec coil is also not...

I have an Engineered Cooling Products 22” Core Small Block Radiator (SKU: RAD-2374S) that came out of my 77 Volare with a little over 500 miles on it. I installed this radiator when I swapped in a 318 Magnum and 46RH to replace the tiny slant six radiator. Unfortunately, I was backed into...

There it is all buttoned up

That’s what the clearanceing for an A518 at the factory driveline angle looks like. Some hammering also required on the tunnel forward of there. I also added the outer set of holes for the crossmember and extended the crossmember itself. 4 bolts allows the crossmember to carry the load in place...

Many of the 85+ pickups and vans came with non-CCC Quadrajets. I've got two sitting on the shelf, one that I pulled from an untouched van in the yard a couple of months ago. Passenger cars all came with computer controlled carbs, but those cars are rare enough anyways. The stock iron intake...

Bud, about the only thing you can try and do for the rubber hose leaks is install fuel injection style band clamps. They seal a lot better than the old worm gear clamps those hoses typically came with. Next step up would be to install compression fitting adapters (or cut and flare) for braided...

Thanks for the info. The M-body I parted out (318/904) had the 5/16" driver's side trans lines. I also parted a 92 Ramcharger (360/A518) that had 3/8" driver's side trans lines, and a '94 Grand Cherokee (5.2Magnum/46RH) that had 3/8" passenger's side trans lines. On the Jeep, the lines cross...

We'll see if it works! Trans is getting here today. Next up is swapping the 302 heads for some LA-pattern Magnums and throwing in the new hydraulic roller cam. Then I'll start fitting it all to the M-body crossmember and figure out what trans cooler lines and oil filter setup work best with the...

Agreed. I may just take the easy route and supplement the current charge cable with an additional 4GA charge cable straight from the alternator to battery. As you mentioned, I will definitely be upgrading the grounding cable as well, both for the battery and the alternator. Most of this will use...

It’s a single Taurus fan with a Volvo Relay. Should only draw 30A on full speed. I have a small amplifier for the stereo, but it maxes out at 40A and I never push it that hard. No A/C, no power accessories. Because it’s a non-A/C car, I only have the 22” radiator core. I pulled the 26” core...

I’ll definitely be keeping the external voltage regulator. I already converted it to a relay controlled field wire and it works great. All I’ll need to do is hook up the two field wires to the terminals on the Magnum alternator.

Thanks! I put some effort into colormatching everything. Hard to tell from the photo, but I also managed to track down a 125mph certified speedometer. Top pod has Autometer Wideband A/F, Vacuum, and Oil Pressure. There’s also a digital voltage gauge in the spot where a rear window defrost switch...

The alternator charge wire will be on a high-amp fuse just like the factory magnum motors were. I’m not a fan of fusible links, but agree that something is necessary there. “I already have a voltmeter installed in the rear-window defrost switch location” I’m not really interested in debating...

Looking at the wiring diagram a little further in depth, perhaps the best route is just to leave the factory cabling hooked up as designed, including the 14GA wire to the alternator, and just add an additional heavier gauge cable from the alternator back to the battery. I think this might...

Hello all, I'm getting ready to swap in a roller V8 in place of my bare bones slant six, and will be upgrading the charging system to the 90A Magnum alternator to support electric fans and other power needs. While I've done charging system upgrades on GM products before (which is as simple as...

And to clarify, you need the black plastic support from the M-body. M-body gauges will not fit an F-body dash without swapping over the black plastic support.

I see you never got a reply, so I'll answer in case you still need the info. The dash mounting is exactly the same. M-body dash frame will bolt onto your F-body dash perfectly. I believe the fascia takes a very light clearancing in the upper corners to interface with the slightly different...

Howdy, I’m wrapping up a ‘79 M-body gauge cluster swap on my ‘77 Volare, and realized in very un-Mopar like fashion, the windshield wiper switches use a different wiring harness plug. I’ve searched my wiring goody box, and come up short, and I can’t find one new from the typical sources...

Location: New Mexico