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My Barracuda has a 94 magnum swapped in from a Grand Cherokee. Stock injection. After sitting through the winter, I started it and it's running really rough. It smells like it's running rich. It tries to idle down, almost dies, then idles back up. When I rev it up, it smooths out some, but not...

I am using '67 era 273 exhaust manifolds on my '94 Magnum. I used Magnum gaskets and they lasted about a year before blowing out. I know that there is a port mismatch between Magnum heads and LA manifolds. My question- What gaskets should I use? Magnum or LA or something for headers? I am...

In this month's Hot Rod magazine, there is a "rescue" of a 97ish Dodge Ram where they say the vehicle speed sensor was making the engine go lean. Reason being, the truck had larger tires so the sensor was reading incorrectly. Does this really change the fuel mixture? I've got mine hooked up but...

I'm still trying to track down some issues with my Magnum swap. I am wondering if there are differences in injectors by year. My engine is out of a 94 Grand Cherokee. My PCM is out of a 95 Ram with manual trans. When I look at Rockauto those two applications do not use the same injector part...

I need some help diagnosing the last couple issues on my magnum swap. First, let me list my setup: 1994 5.2L out of a Grand Cherokee, factory pump mounted in the tank, fuel regulator is the factory style on the rail, PCM is from a 94 manual trans Ram, using an AX15 transmission. Intake plenum is...

I'm fixing my intake on the magnum and I see that they recommend replacing the intake bolts. The Fel-pro bolts are fairly spendy. Can I go with regular bolts or just re-use? The engineer side of me says I should replace with TTY but I'm wondering what people with experience say. Thanks.

My plenum gasket it blown. I'd like to fix it, but currently, the Hughes plate that fixes the problem permanently is out of the budget. Since I won't be driving this car more than a few thousand miles a year, I'm thinking I can get away with just replacing the gasket. Is there an improved...

So I've got my engine running, and I wanted to check for trouble codes. For some reason the check engine light pin is not working. Today I checked for continuity through the 60 way connector and it's good. I know that the pin provides a ground, so I was checking by looking for continuity to...

Still grinding away on my Magnum swap (1994 vintage from a Grand Cherokee). Couldn't get it to run using the automatic PCM (running an AX15). I picked up a manual trans PCM from a Ram (PN 56028319). Does anyone have a pinout for this PCM? I've googled and can't find one. Or, how do the...

Still plunking away on my project. Currently cleaning up the wiring. How are the wires removed from the PCM connector? I've seen special tools, but the description is vague on what years use the specific tool. This is for a 94 PCM OBD1. Thanks! -Dave

Okay, so I tried starting my car today for the first time. It starts, runs for a couple seconds then dies. The amount of time it "runs" is not consistent. Working the gas pedal doesn't seem to have any effect. I have good fuel pressure at the rail- with key on it is 12-14 PSI and it climbs...

Hello all, I'm working on my wiring harness and need some help. There is a pin labeled: Ignition Accessory Feed. It connects to a few places. The EGR valve and the diagnostic plug and possibly elsewhere. Can anyone tell me if I need this to run the engine? What is it for? This is for an OBD I...

Thought I'd share how I mounted a factory fuel pump from a Jeep Grand Cherokee. I made a sheetmetal box and welded it into the tank. Cut out the threaded flange from a Dakota tank and bolted it down. Shortened up the canister, and here it is. Why would I want to do this...

I have a couple questions as I'm hooking everything up to my 94 318 Magnum. I'm using the serpentine drive as well- out of a Grand Cherokee. First is regarding the lower radiator hose. My car is a 67 and has the radiator inlet on the driver side while the pump side is on the passenger. Has...