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  1. Map63Vette

    4 speed/G3 hemi

    Generally I've heard people recommend steel for street cars and aluminum for racing. You can drive an aluminum flywheel on the street, but can make taking off and clutch stuff a little trickier since it doesn't have the same inertia.
  2. Map63Vette

    4 speed/G3 hemi

    I ran an 833 behind my 5.7 when I first installed it. I believe I had to trim the input shaft down something like 1/2-5/8", but otherwise it was basically a bolt in setup. I ran it with TTI headers as well, but I think I had to do some modification of my Z bar linkage. I'm not sure I ever had...
  3. Map63Vette

    Factory sensor voltage to value charts?

    The service manual crossed my mind as well, though I tried checking in the manual for my Viper and actually didn't find that much there (they use similar enough sensors at least, so figured it might give me a starting point). I did find a little info in there for the MAP sensor at least, though...
  4. Map63Vette

    Factory sensor voltage to value charts?

    I guess I should have specified the actual 5.7 Hemi sensors for a 2006 vintage engine, not necessarily the old school ones, though maybe they aren't all that different. I tried the tee thing with what I have, but I don't necessarily have a good resolution gauge to use as a reference for what the...
  5. Map63Vette

    Megasquirt knock sensors settings

    Well, against all odds this seem to be one of the few times things just sort of "worked" for me. I was all ready to do a bunch of logging and testing and whatnot to try to figure things out and I pretty much just plugged everything in and it seems like it was good with the nearly default...
  6. Map63Vette

    Factory sensor voltage to value charts?

    As the title suggests, does anyone have charts for the sensor ranges and matching output voltages for things like the MAP and oil pressure sensors? I can't believe it's this hard to find that info, but I'm not having much luck so far. I was hoping I could pull it off of a datasheet from...
  7. Map63Vette

    TTI header woes

    I'm not sure what it is about mine. Granted my car also sits outside all the time, albeit under a cover, but the coating has not held up well for me at all.
  8. Map63Vette

    Why Carb and non OD a Gen 3?

    I have tried some decel fuel cut in the past, but don't recall whether I'm running it now or not. The MS help tips actually suggest against it on a manual car, though I believe that's mostly just because of the "on/off" feeling you can get when you get back on the throttle being jarring to...
  9. Map63Vette

    Why Carb and non OD a Gen 3?

    You know, one joke I've always had with my car since the day I bought it was that no matter what I do, it gets 20 mpg, period. I had a 318 with a 4 speed and low 3.something gears (I think, don't recall what was actually in the rear end when I bought it) and it got 20 mpg on the highway...
  10. Map63Vette

    Why Carb and non OD a Gen 3?

    I was in a similar boat with money at the time when I did my 5.7 swap something like 10+ years ago now. Firstly I was a kid in grad school at the time, so I didn't really have cash to do a full fuel system upgrade to high pressure the way I'd want to do it (in tank pump). Secondly, a lot of the...
  11. Map63Vette

    Megasquirt knock sensors settings

    Yeah, I started doing a little bit of digging and reading and watching videos yesterday, though there is plenty more to do. I have my WOT timing set reasonably conservative still at only 20 degrees at the very top end and 21 a bit before that. It certainly feels spunky enough, but after...
  12. Map63Vette

    Megasquirt knock sensors settings

    As the title suggests, anyone out there running a Megasquirt setup with the internal knock module? Finally found someone making a drop in replacement since DIYAutotune has been out of stock on them for the past 2+ years and took the chance on them. Will be a while before they show up, but I've...
  13. Map63Vette

    Megasquirt values for launch and traction control on 3G swap

    Here's a picture of the clutch sensor as it's installed in the car. So far seems to work pretty well, but haven't really put it through much but a handful of drives at this point. The string gets pretty close to the steering column connector, but I think I can always reroute that a bit if I...
  14. Map63Vette

    Megasquirt values for launch and traction control on 3G swap

    Wow, guess it goes higher than I would have thought. Though I suppose maybe that's intended to cover slicks and other aftermarket goodies perhaps. Semi unrelated, but another clutch switch idea I was originally planning was to put a pressure sensor on the clutch line. Same idea where I could...
  15. Map63Vette

    Megasquirt values for launch and traction control on 3G swap

    I'll try to get a picture the next time I pull the cover off to work on things to show it actually installed, but the short version is I have a potentiometer attached to the pedal with a string and a spring on the other end to keep tension on the setup. It's a similar idea to a string pot for...
  16. Map63Vette

    Megasquirt values for launch and traction control on 3G swap

    As the thread title suggests, I'm looking for some feedback on what people might be using for traction and launch control on their setups. I know Goody had a thread a while back showing the differences on a Cuda 3G swap, but curious if anyone else has played with it at all. I'm mostly just...
  17. Map63Vette

    TTI header woes

    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...
  18. Map63Vette

    A/C and Power Steering Delete on 07' Truck 5.7 HEMI

    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...
  19. Map63Vette

    Front wheel speed sensor retrofit ideas?

    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...
  20. Map63Vette

    Front wheel speed sensor retrofit ideas?

    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...
  21. Map63Vette

    Front wheel speed sensor retrofit ideas?

    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...
  22. Map63Vette

    Front wheel speed sensor retrofit ideas?

    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...
  23. Map63Vette

    Should I make the swap to G3?

    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...
  24. Map63Vette

    Timing tips

    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...
  25. Map63Vette

    Timing tips

    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...
  26. Map63Vette

    Timing tips

    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...
  27. Map63Vette

    Timing tips

    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...
  28. Map63Vette

    Timing tips

    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...
  29. Map63Vette

    Should I make the swap to G3?

    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...
  30. Map63Vette

    Should I make the swap to G3?

    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...
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