Skip to main content

Posts

Showing posts with the label honda

Easy tuning a Honda or Acura with Crome and Freelog

his is a tutorial on how to easily tune using all free software and without using a moates ostrich. I can't believe anyone has never tried this before. 1. First you need to setup your ecm with a basemap and datalogging. There's other articles on this.. I will not be covering how. Make sure you have all your rpms and map sensors correctly set in freelog. (They should match crome). Make sure you have a safe basemap, this means retarded ignition, boost cut off, and lots of fuel under boost (it's better to blow out spark with too much fuel, than melt your pistons by not having enough) 2. When ready, go collect some data with freelog. You want a map of o2 values looking something like this... 3. Do a file -> save fuel map captures as in freelog 4. Open the saved csv file in your spreadsheet program, google doc's works great if you dont have one. I use openoffice.org. It should look like this... 5. I have a B18b, so i'm only doing lo

Convert a stock Honda MAP sensor to read boost for under $10

The stock honda manifold pressure sensor can only read up to 1.5 bar (about 10psi boost).  This quick tutorial will show you how to make it read up to 4 bar (about 45 psi).  Please note that before you start, you're car will not run correctly (if at all) unless it has a tune made for the sensor. Items Needed Stock honda map sensor Freescale Pressure Sensor Models: MXPH6250 - 2.5 Bar reads up to about 22 psi boost MXPH6300 - 3 Bar reads up to about 30 psi boost MXPH6400 - 4 Bar reads up to about 44 psi boost A knife, screwdriver, and or dremel Plastic epoxy Solder, 24 guage wire, and a soldering iron A cordless drill with a drill bit Digital multimeter Free time How to do it: First take a stock map sensor and seprate it at the seam. Cut around it with the knife and pry up, you can try to heat the glue but I was able to get it without that. Be careful not to crack anything, expecially the tip on the bottom cap. Once it's open clean eve