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Engine Management, Fuel, Spark, EGTs, and Air/Fuel Ratios This forum includes modification, tuning, repair, replacement, identification and restoration of all components mentioned above including SMEC, SBEC, Logic Modules, aftermarket engine management, etc. Nitrous oxide posts go in here. This is the place

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Old 04-03-2005, 09:49 AM   #1
3-bar map voltage:boost ratio?  
I need a calibration!
 
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Going to do some datalogging once the car is back up and running with the PLX M-500 and was wondering what the voltage:boost ratio is and the min/max of the 3-bar. I know 29psi is max, but I don't know what the minimum (most vaccuum) it can see is. Any help would be appreciated.

Thanks in advance
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Old 04-03-2005, 07:09 PM   #2
 
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"Rough" numbers using my scanner and dattalogger:

.80v idle/vac
1.7v @ 10psi
2.4v @ 15psi
2.8v @ 20psi
3.6v @ 22psi
3.7v @ 23psi
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Old 04-04-2005, 12:33 AM   #3
 
I need a calibration!
 
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Quote:
Originally Posted by russ jerome
"Rough" numbers using my scanner and dattalogger:

.80v idle/vac
1.7v @ 10psi
2.4v @ 15psi
2.8v @ 20psi
3.6v @ 22psi
3.7v @ 23psi

Thanks Russ, this is Jason (I met you at Bryan Lugert's place last summer during a bonfire, was the passenger in the white turbo lebaron that we all checked cam timing on)

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