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Old thread I know, but I was searching for proportioning valve clearance experience as I'm looking at redoing my master cylinder setup and new front lines was likely going to part of that. Saw this comment and I'm in the same boat. I bought my headers way back when they first came out, so...

I did the same thing on my car. No A/C compressor or P/S pumps and no filler pulleys in their place. I added the one idler puller to the cover on a bolt hole that was already there, but did have to add a few washers to get the belt spacing correct. Have had it that way ever since without any...

The one thing that is potentially a drawback with my Raspberry setup is the really low signaling voltage. I'm not sure if the Pico has the same limits, though it does have some built in analog I/O, so I'm a bit more optimistic. The standard Pis only tolerate 3.3v for I/O, which is really...

To my knowledge the Pico does not need any kind of startup/shutdown, though I haven't actually used one yet. It's basically the Raspberry version of an Arduino Nano, and Arduino actually even makes a board that uses the new Raspberry chip, so you can have both in a way. My speedo code is just...

I'm guessing that means the 6060 doesn't have a speed sensor? I waffled on buying one of those way back when when I swapped the T56 into my car since the T56 had a sensor. The main problem I had was that I wanted to keep the stock speedo and $300+ for one of those boxes just seemed like way...

I haven't really had a chance to try to light up the tires, but everything still seems to be working okay. I have a set of MT ET Radials on the car (street slicks) ever since I found out I somehow bent a rim and cracked the lip on one of my wheels. Normally I'd swap on street tires and keep...

The main Hemi connectors on my 06 5.7 at least were as follows for some general info: Injectors - EV6 style, any number of places make these, I ended up using some GT150 style ones I believe Coils - Amp SSC (sealed sensor connector) Alternator - my alternator is off a truck and was a 2 pin...

Yeah, I've got an IAC, but it was at the very bottom of the travel the way I had my idle set up before. The goal was to have it as close to fully closed as you can get it when the engine is hot. They tell you to set the throttle blade stop just barely under that so you don't stall if you...

Yeah, I can tune on the fly while it's running and log it easily. Bumped the idle timing up to 20 degrees and surprised it didn't make more of a difference in rpm, but I think it did help my stumble issue. I think what was happening there was the timing would pick up when I would blip the...

Not sure I can adjust the scale, but doing the conversion it idles around 16 inHg. Really the chart is almost a direct kPa reading already, just in absolute pressure instead of gauge. To convert basically just invert the scale so the top is 0 and the bottom 100. That would put the idle at 45-50...

Actually, after thinking about it some more I think I should probably just get rid of the hole around idle anyway. I was thinking back to tuning the distributor on my 71 Vette and realized that you set base timing with the vacuum advance plugged, and base timing is usually around 12 degrees or...

I've since changed it quite a bit and it seems to be a fair deal happier. This is the new table I'm running at the moment: It's more like the EFISource table with the idle position adjusted to my car and the bins changed around a little bit. It's way happier on this one and will cruise on...

Yeah, me being cheap as well is another reason I've built most of the stuff myself, lol. The wiring harness is actually one of the few times I pretty much just clicked the buy button without thinking about it too much. All told I probably spent $300-400 building my harness from scratch, though...

You know, I've recently found out my car is getting closer and closer to this without me really realizing it. I've pretty much lived my whole life without having practical vehicles, and the Dart is quickly becoming a go-to option for me. My other vehicles are a 71 Vette (talk about zero...

If you need a list of connectors I might have it as well. I just completely rebuilt my engine harness from scratch when I did my MS3X computer upgrade. I found the actual connector models for pretty much every stock component on my 2006 5.7 at least. That way I could buy it at a housing and...

I know this is a bit of an old thread, but I just got the MS3X setup in my Dart up and running and got a front VSS installed over the weekend, so I'm just getting around to playing with mine. As it stands my DOT slicks and current tune don't really put me in too much wheelspin territory, though...

Took it for the first drive today and everything seems to work well. Logged it against the rear sensor and they are pretty much dead on. Super low speeds under 3 mph or so they might be a tad different, but not by much. Saw one or two hiccups in the log over a 20+ minute drive, but not that...

Well, I ended up going a slightly different way in the end. I was looking at my original design that mimicked RacerJoe's, but I realized the way I was building it I wouldn't actually be able to put the sensor in or take it out. I was trying to tweak the design and cut material away to give...

I don't suppose you'd have any more pictures of just the bracket for the speed sensor itself would you? I went out to the car and took some measurements and have an idea built up in CAD that I'm thinking is more or less what you did, but I'd be curious to double check it against your bracket...

Honestly, the main thing that talked me into the G3 swap was just having a newer engine with all the tech and design updates that have come along with it. You can typically make good power on a modern engine with little work. Your 408 sounds like a blast and something that has been built up...

I'm not sure if a datalog is going to show me anything without a knock sensor. If I had one I think I probably could as I'd be able to check knock against the timing table, but without one I'm not sure what I would compare the timing against. My thought was more if I can get the engine...

Yeah, I'm thinking I might just find myself a copilot to drive the car and I'll sit in the passenger seat and dial up timing as we cruise along and different speeds and gears if I can find long enough stretches of road that are either flat or have constant grade. The poor man's dyno if you...

Fair enough. That's kind of what I'm looking at now. A knock module for the MS3 is only $90, which is probably cheap insurance in the long run. I've already got the stock sensors as well, assuming they actually still work. The one thing that is getting me is the transition from high speed...

So I can make things a little easier in that I actually only have a single 4 bbl throttle body instead of the duals. That was just the best picture I could find that showed the fuel rails. That being said, I think the front and back bores are all on a common linkage with no staging if I...

Yep, it's 18 degrees at top end. I think it can probably take more, but I've just been careful to creep my way up there since I know the ring lands on the stock 5.7 pistons are known to be a little weak to detonation and I'm running lower octane. I'm guessing it can probably take 20 or more...

Yeah, that trips a lot of people up. It's not actually vacuum on that axis, it's pressure (absolute pressure to be more specific).

More specifically to the Megasquirt it's "load". The best way to translate that is "percent manifold pressure relative to atmospheric". That effectively normalizes the table to operate in different altitudes. So 100% means the manifold pressure is the same as atmospheric pressure, or WOT...

Also, I made up my own blend of the EFI Source table mixed with the factory table and ended up with this: It's already a world of difference on a full throttle hit or any quick throttle jab. Pulls much harder right off the hit and carries it better through the full rpm range. I think it...

I've actually got something like that. I have an old Beltronics GX2 or something like that. The trick is getting all the suspension settings dialed in for it to be accurate, though I guess for a back to back comparison that wouldn't really matter much. And by "suspension settings", I mean the...

That is the "total" duration I guess. Duration at 0.050 is 218/226 intake/exhaust. I just made a big comparison spreadsheet of the EFI Source table and the stock MSD table against the factory closed and open loop tables and interestingly enough the MSD one actually doesn't seem all that...