Power FC How to calibrate map sensor?
11-26-05, 03:59 PM
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How to calibrate map sensor?
I'm buying a 5 bar map sensor for big boost............
Can someone give me a detailed run down on how to calibrate my power fc for this? I'll need a pump, right?
Thanks for the help in advance.
Can someone give me a detailed run down on how to calibrate my power fc for this? I'll need a pump, right?
Thanks for the help in advance.
11-26-05, 06:06 PM
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Get a mini low pressure regulator in the 0 - 30 psi range (or higher) at http://www.mcmaster.com/.
You connect it to an air hose with the other end to a air compressor tank with it's regulator set at 30PSI or higher.
Connect the mini regulator output to your map sensor and car's boost gauge.
Connect a DATALOGIT to the PFC so you can monitor.
As you increase pressure from 0 psi to whatever you need with the mini, you record the boost pressure, PIM voltage, and PIM ABS pressure.
You connect it to an air hose with the other end to a air compressor tank with it's regulator set at 30PSI or higher.
Connect the mini regulator output to your map sensor and car's boost gauge.
Connect a DATALOGIT to the PFC so you can monitor.
As you increase pressure from 0 psi to whatever you need with the mini, you record the boost pressure, PIM voltage, and PIM ABS pressure.
Last edited by cewrx7r1; 11-26-05 at 06:08 PM.
11-26-05, 08:23 PM
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Adjust both to get 0 psi and your boost high point close as posible to being accurate with the pressre regulator then calibrate as above to obtain values to put in your P rows.
11-26-05, 10:04 PM
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Originally Posted by LUPE
You know, I'm going to try and get Jeff48 up here to give me a hand. Thanks for the help....
I really appreciate it.
I really appreciate it.
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11-26-05, 10:11 PM
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Originally Posted by onefastrx7
What about injectors? How many and what kind injectors are you running or planning on running with the PFC?
I already put down a bunch of power with my current setup and could possibly put down 600rwhp but I want more... so that's why I'm upping the injectors.
11-26-05, 10:47 PM
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Originally Posted by LUPE
I've got two 1300cc secondary injectors and two 950cc primary injectors. I'm going to swap some 1680cc injectors for my 1300cc injectors for when Steve Kan comes to tune my car again.....
I already put down a bunch of power with my current setup and could possibly put down 600rwhp but I want more... so that's why I'm upping the injectors.
I already put down a bunch of power with my current setup and could possibly put down 600rwhp but I want more... so that's why I'm upping the injectors.
11-26-05, 10:59 PM
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Originally Posted by onefastrx7
Are you sure that 2 950cc and 2 1680cc will support over 600whp (safely)?
11-26-05, 11:18 PM
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Originally Posted by Trevor
Should do 600whp @ 82.1 - 89.0% IDC with 43 psi base pressure.
11-27-05, 09:55 AM
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Originally Posted by LUPE
I run 52 psi base pressure.
I will have plenty of injector to put up 650 to the ground.
I will have plenty of injector to put up 650 to the ground.
11-27-05, 10:00 AM
#14
with respect to scale....Apexi uses 43860 for the 3 Bar, Steve K uses 44000...these values would translate to 73100 and 73333 for the 5 bar...you could use these numbers as starting points for your boost testing
I have some spreadsheets that may be helpful. A couple are datalogs in Excel format, which consisted of applying boost slowly close to the same manner as was described by Chuck and others for my 3 bar.
The other spreadsheet calculates P row values based on PIM, scale, and offset.
I have some spreadsheets that may be helpful. A couple are datalogs in Excel format, which consisted of applying boost slowly close to the same manner as was described by Chuck and others for my 3 bar.
The other spreadsheet calculates P row values based on PIM, scale, and offset.
Last edited by books; 11-27-05 at 10:02 AM. Reason: to edit
11-27-05, 02:26 PM
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Originally Posted by books
with respect to scale....Apexi uses 43860 for the 3 Bar, Steve K uses 44000...these values would translate to 73100 and 73333 for the 5 bar...you could use these numbers as starting points for your boost testing
I have some spreadsheets that may be helpful. A couple are datalogs in Excel format, which consisted of applying boost slowly close to the same manner as was described by Chuck and others for my 3 bar.
The other spreadsheet calculates P row values based on PIM, scale, and offset.
I have some spreadsheets that may be helpful. A couple are datalogs in Excel format, which consisted of applying boost slowly close to the same manner as was described by Chuck and others for my 3 bar.
The other spreadsheet calculates P row values based on PIM, scale, and offset.
11-27-05, 02:27 PM
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Originally Posted by onefastrx7
What I am saying is that I dont feel comfortable with seeing over 85% IDC on my tunes, esp on rotaries.
I would feel comfortable seeing that on Steve Kans tune.
11-27-05, 06:28 PM
#17
Originally Posted by LUPE
How about you come on over and help........
Have you installed it yet?
Have you asked Steve if he has a map or p values he intends to use?
We could set up the p rows for whatever boost you want, the problem is, are the values and resolution that we set up the ones that Steve will use when he tunes you.
For example we could use rows 11-20 in 3 psi increments resulting in p20 being 30 psi and up or you could start a P9 in increments of 3 psi to P14 and at P15 through P20 in 2 psi increments. Again P20 would be 30 psi and up.
There are countless ways in which you can divide up the rows in the maps. That is why it is important to know the absolute highest boost you will run....so you can set up P19 or P20 for that level and then decide what amount of resolution you want for the boost rows.
Last edited by books; 11-27-05 at 06:30 PM. Reason: to edit
11-27-05, 06:37 PM
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Originally Posted by books
I could possibly come over and help but it would have to be in a couple of weeks.
Have you installed it yet?
Have you asked Steve if he has a map or p values he intends to use?
We could set up the p rows for whatever boost you want, the problem is, are the values and resolution that we set up the ones that Steve will use when he tunes you.
For example we could use rows 11-20 in 3 psi increments resulting in p20 being 30 psi and up or you could start a P9 in increments of 3 psi to P14 and at P15 through P20 in 2 psi increments. Again P20 would be 30 psi and up.
There are countless ways in which you can divide up the rows in the maps. That is why it is important to know the absolute highest boost you will run....so you can set up P19 or P20 for that level and then decide what amount of resolution you want for the boost rows.
Have you installed it yet?
Have you asked Steve if he has a map or p values he intends to use?
We could set up the p rows for whatever boost you want, the problem is, are the values and resolution that we set up the ones that Steve will use when he tunes you.
For example we could use rows 11-20 in 3 psi increments resulting in p20 being 30 psi and up or you could start a P9 in increments of 3 psi to P14 and at P15 through P20 in 2 psi increments. Again P20 would be 30 psi and up.
There are countless ways in which you can divide up the rows in the maps. That is why it is important to know the absolute highest boost you will run....so you can set up P19 or P20 for that level and then decide what amount of resolution you want for the boost rows.
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