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"hey jason, how long did yours last?"
It lasted about a year,...but who knows how much it screwed up before that time before I was aware how badly it worked.
"also do you think bill will send me a new one ? "
Yes, I do. He sent me a new one.
i have a 18 gauge wire tap into my map sensor inside my car, but i "dont seem to be getting a reading in Volts just mV?"
Work with your multimeter. I don't know.
"also what could i use to hold to wires ground and power to the multimeter ends?"
Just strip the hell out of those 18 ga. wires and wrap them to hell to the multimeter ends. You could also get some metal wire (even found from those paper wrapped wires that are used to tie bread loafs in) and wrap the signal wires.
"so anytime above 0psi i should be at 4.7v or less or more?"
Any time above 0 psi, you should be frozen at 4.7 volts ot close to it.
"also how about under 0psi?"
It will range from ~1.0 volts to 4.7 volts.
"what mapper thing should i buy better then the hrc one ?"
VC-1 from Splitsec.com. I don't have one yet. I'm waiting to see when the VC-2 will be ready.
"could you explain why also its better to remove the fuel mapper if its clamping at a lower voltage than 4.7?"
I would prefer to get a jolting fuel cut that won't hurt the internals from being too lean under boost and having my car detonate.
"also could i drive with or without the mapper as long as i dont boost?"
Yes, you could. As long as you don't boost, you won't go above the 4.7 volt threshold requiring max output from your I'm wating for Splisec.com to come out with the new VC-2, or I'll just buy the vc-1 instead. Either way, with a separate power and ground, it's a much better product that the HRC Fuel Mapper. Think about it, that's all SplitSec does is make these electronic devices. They obviously have devised a better product than that little black box thats obviously been siliconed or glued together.
"also tommorow i'm going to figure out what my hrc mapper is pushing out as volts goes when i have time. also on my obII i can see my map output but i believe its in Hg? what would that convert to 4.7volts?
You want a MULTIMETER or some sort of voltage reading device to measure your boosted Map sensor volts. I wouldn'y bother eading a datalogger. It may not convert properly since the Fuel Mapper is already screwing readings up.
did you also have the cylinder 1&4 etc as misfire also with system too lean?
Yes, I did. I knew mycar was running lean beforehand, and when I'd mash the throttle to troubleshoot what the problem was, I'd get a CE light briefly and test the codes. It was a misfire in 3 and 4 for me with the system too lean. Ever since I got a new HRC Fuel mapper from HRC, I've been rich "enough" but I'm still only topping out at ~4.5 voltz, but it still varies all the time to ~4.3. That is NOT good enough!
>jason, could you explain why also its better to remove the
>fuel mapper if its clamping at a lower voltage than 4.7?
Dino explained this. Map sensor voltage goes to your ecu and your ecu in turns sends a corresponding signal to your fuel injectors for a like amount of fuel. If your map sensor voltage is being clamped at a voltage lower than necessary, then your fuel injectors are sending too little fuel. At 4.7 volts, we KNOW that thie map sensor voltage will send maximum fuel voltage to the injectors. At 3.7-4.3, you can probably guess that it's going to send lesser than max voltage to the injectors.
also could i drive with or without
>the mapper as long as i dont boost?
Sure, since you're not really concerned at what amount of fuel is being sent at +4.7 volts. But you still may be a little lean under vacuum if the map sensor voltage is clamped really egregiously.
_____________________________________
Jason ESi-T
04' BMW 325Ci
91' Nissan 240SX
98' Eagle Talon ESi (sold)
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