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Nice!! It's good to see you getting things resolved.

I was careful to get the smaller pump that supports "only" up to 450 hp. I figured it would be a miracle if I could get a factory Magnum anywhere near 450 hp, so the small pump would be fine. Because with fuel pumps bigger is not better if you don't need it. I've heard a pump that supports...

Thanks, I really tried to make everything as serviceable as possible - ideally with parts that are on the shelf at the local parts store. The filter's output is a male quick connect, so I used a female quick connect to -6 AN fitting, like Vibrant Performance # 16886. It found a pic on my phone...

Here's a pic of my tank and the fuel lines. I can't remember the brand of hose and fittings I used, maybe Earl's. You can see I got quick connect adapter fittings to with fuel regulator. The third pic is the filter / regulator mounted above the diff. If you look closely at the regulator you...

When I was running the non-lockup 904 with my 5.9 engine, Hughes cam, kegger intake, stock throttle body, and a 3.23 gear I got a solid 16 mpg. I would think that you should be way better than 10 - 12 with your setup. And of course the rich smell shouldn't happen in the engine is running in open...

I was asking about fuel pressure because I know those GM filter / regulators operate pretty high (58 psi?) and the OBD1 Magnum spec is 35 - 45 psi. I don't know if your higher fuel pressure would cause the low RPM stumbling issue, but it's something to consider. Maybe it's pushing fuel past...

Have you measured your fuel pressure at the rail?

Thanks! I'm pretty happy with how it came out. I got the buttons from here: Billet Automotive Buttons - Design your own custom billet buttons 12v I got these ones: 19mm 'CRUISE CONTROL SET' Billet Push Button Switches Car Universal This OD button: 19mm 'O/D' Billet Push Button Switch...

No problem, I did my first ever build thread for the cruise upgrade: Rewiring my EFI Magnum - 1970 Dart Swinger You might find I got a little side tracked and did several upgrades that weren't part of the original plan. If you're short on time most of the cruise control stuff is on page 2...

Seems like me and DionR are speaking the same language here :D

I don't often buy from forums or online groups for that very reason. When I do take that risk I use Paypal goods and services and pay the extra fee. So far I have been lucky and haven't been burned trying to buy Mopar parts or parts for my 85 Supra. Yet. I was asking because I didn't use a...

Hah hahaha.... that is pure awesomeness. And I thought I was fancy putting the Magnum cruise control setup on my car!

Question... you mentioned you're using the 904. Did you wire in a speed sensor?

Here's the easy button for a performance tune. Mopar Performance OBD1 PCM for the 5.9. Should work with the 5.2 just fine, maybe with a little extra fuel consumption. Mopar 90s HIGH PERFORMANCE computer#5249546 - auto parts - by owner - vehicle automotive sale - craigslist and Mopar...

+1 on 75slant6's comment. Watch out for Cherokees too, I think a lot of them had security. Maybe you could google the PCM part number and get some answers on what it came out of. If it turns out you do have a security PCM... well, before I make my next suggestion, let me say I hate Facebook...

Maybe it was this article you saw? Not exactly dyno testing, but from a flow perspective the Hughes is still way better than the kegger. Testing intake manifolds for the 5.2 / 5.9 Magnum V8 engines I saw that Engine Masters episode and was pretty impressed with the carb air gap. I think the...

Yeah, people want stupid money for those intakes, I got lucky and found my M1 relatively cheap ($750 CAD). I'm surprised the Hughes wasn't better, I have only heard good things about them. But I would say unless you can find an OBD1 Mopar Performance PCM or upgrade to OBD2 and get a custom...

I have the Mopar M1 intake, a 53 mm throttle body, long tube headers, and the Hughes SER0814ALN-14 cam. My cam has a little less duration than yours, a little more lift, with the same 114° LSA. My car runs fine on the stock 1994 PCM. Your extra duration might be bleeding off a little more...

That cam is on the ragged edge of what the stock tune can deal with. If everything else is set up perfectly then it *should* be OK, but any small thing out of spec can cause issues with the idle and running at low RPM - especially even the slightest vacuum leak. Obviously cap / rotor / plugs /...

Do you know what cam it is exactly? The stock tune will only tolerate so much duration / overlap before it starts to get confused. I'm not surprised to hear that. I had originally set up the fuel sync in my 5.9 using the method described in that youtube video. More recently I set the sync...

Yeah, 96 and up. When they switch to OBD2 and to the 46re they moved the weight from the converter to the flexplate.

When I was running a 904 I used the stock 5.9 flexplate from a 96 and later truck. One hole needs to be opened up maybe an eighth of an inch to allow it to mount to the 904 converter.

I just used the 68 - 69 unsilenced air cleaner I had on my carbureted LA setup. I think I have a 3 inch air filter in there. The kegger intake is a lot taller than a carb intake, but the throttle body is very short so it kind of balances out. Not a great picture, but this is all I have right now.

Your mention of the crank sensor reminded me that you can modify it to get a bit more timing. This idea going around the Ram and Dakota forums around 20 years ago: Your timing is set initially by the crankshaft sensor and the distributor has the camshaft sensor in it to determine when the...

That is awesome! If I didn't have a rallye dash I might have done the same thing. The 3.91 gear with the OD must be realy nice. I have a 5.9 running factory EFI with the 46rh with a 3.23 gear. The 3.23 is is nice on the highway but really the bare minimum for spirited acceleration. I'm just...

My 70 Dart has the 46RH with a 26 inch tire and a 3.23 gear. It cruises at 120 km/h at 2000, so 150 km/h would be about 2600 rpm. I might eventually switch to a 3.73, since the highway speed limits in Canada are usually 100 km/h, with very limited areas being 110. What gear do you have?

Ok, that's really the best way to do it in my opinion. The EFI is so nice in these cars, especially since in has OEM reliability and parts are so easy to get (in North America). I put a 1994 OBD1 Magnum setup in my car so I'm pretty knowledgeable about that. I know for OBD1 Mags you can just...

@Bobs Garage UG how are you going to control that transmission. Are you using the factory EFI and PCM?

There aren't a ton of drop in options for the Mag. I have the Hughes springs that 318willrun mentioned with their SER0814ALN-14 cam. I have spun my engine past 6000 rpm and didn't feel any valve float.

I have a 94 Magnum in my Dart, also running factory EFI. You might be on to something with that crank sensor for the issue of it just shutting down. For the rough running, you might just have a clogged injector. You can have them professionally cleaned, or you can get one of these things from...