07-29-2008, 07:35 AM
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#1
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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Where's mah A/C Pressure Sensor
I don't feel like looking for it and guessing. Any A/C system or electrical diagrams showing where this thing is? I gotta tap my wideband into it in order to get a reading using standard HPTuners (which doesn't have a designated input for wideband, so you have to use an existing useless 0-5v sensor wire and trick it.)
Much appreciated.
BTW HPTuners is awesome. On a WOT pull 0-50 I get:
Fuel Economy: 1-2 MPG (Custom PID, pretty sweet gives you real time MPG)
Shift point: 6200 RPM (for those who thought it was 6250, 6400, etc.)
Boost: 7.3 PSI (likely around 8 in a higher gear, don't really want to push it)
Injector Duty Cycle: 93% (O_O gotta get those LSJ 378cc ones in there soon)
Last edited by [ion] C2 : 07-29-2008 at 09:34 AM.
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07-29-2008, 09:34 AM
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#2
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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Answer from a guy on j-body: "It is on the passenger side under the radiator support brace."
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07-30-2008, 01:58 AM
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#3
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Moderator
Join Date: Nov 2004
Location: Long Grove, IL
Posts: 5,002
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You couldn't use the '99 EGR wires? too bad.
Did you get that problem resolved with the HPT support?
__________________
Cliff Scott
2004 Alero GX w/sport pkg - Sold, living somewhere in WI now.
2011 Saab 9-5 Turbo4 M6
2004 Corvette Convertible M6
1994 Chevy Beretta - Quad4/M5
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07-30-2008, 06:30 AM
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#4
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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I don't feel like finding the ECU and getting a connector to connect to a pin on there. I'd rather simply use a tap splice into the A/C line like most do, I have HPTuners all set up for it already, just gotta tap it. Heheh.
They told me they'll include it in the next compile, probably next week. I've been editing things though, raised the speed limiter to 255MPH, changed the target AFR under PE to 11.8 rather than 13.0. Once I put the LSJ injectors in I know what number to put in for the constant to make things run exactly the same but with far less duty cycle (93% atm, bad).
w00t
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07-30-2008, 09:00 AM
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#5
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Aleromod's most pointless thread starter
Join Date: Aug 2007
Location: Jersey (north and south are 2 diff. states)
Posts: 2,349
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Quote:
Originally Posted by [ion] C2
I've been editing things though, raised the speed limiter to 255MPH
w00t
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255mph
__________________
Quote:
Originally Posted by adam337
whats with all the useless threads lately?..
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New project 1992 460 big block ford notchback mustang
Goal - Mid 11s all motor.
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07-30-2008, 09:13 AM
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#6
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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it's the max value lol, in reverse it's defaulted at 26MPH, not sure why anyone would go that fast backwards
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07-30-2008, 09:32 AM
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#7
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Aleromod's most pointless thread starter
Join Date: Aug 2007
Location: Jersey (north and south are 2 diff. states)
Posts: 2,349
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Quote:
Originally Posted by [ion] C2
it's the max value lol, in reverse it's defaulted at 26MPH, not sure why anyone would go that fast backwards
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should be 256 since everything is usually based of 2^8 which is 256. but i guess they consider 0-255 so whatever.
__________________
Quote:
Originally Posted by adam337
whats with all the useless threads lately?..
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New project 1992 460 big block ford notchback mustang
Goal - Mid 11s all motor.
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07-30-2008, 09:43 AM
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#8
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Gone
Join Date: Mar 2004
Location: Lockport Ny
Posts: 19,244
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Quote:
Originally Posted by [ion] C2
it's the max value lol, in reverse it's defaulted at 26MPH, not sure why anyone would go that fast backwards
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you mean you DON'T go that fast backwards??
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07-30-2008, 10:11 AM
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#9
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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Quote:
Originally Posted by 01silveralero
should be 256 since everything is usually based of 2^8 which is 256. but i guess they consider 0-255 so whatever.
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256 does something weird, it's used to like reset the values or something in most tables
255 is the max value in RGB codes too
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07-30-2008, 12:50 PM
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#10
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Moderator
Join Date: Nov 2004
Location: Long Grove, IL
Posts: 5,002
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Geez, there's 256 vaules, but 0 is included so it only goes to 255.
Oh, I have some pins and wire for the PCM connectors in the garage. The PCM is right above the kick panel on the drivers side.
__________________
Cliff Scott
2004 Alero GX w/sport pkg - Sold, living somewhere in WI now.
2011 Saab 9-5 Turbo4 M6
2004 Corvette Convertible M6
1994 Chevy Beretta - Quad4/M5
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07-30-2008, 12:52 PM
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#11
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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Hm... I'll have to see if this A/C way works first since I nearly have it completely set up.
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07-30-2008, 03:50 PM
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#12
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Aleromod's most pointless thread starter
Join Date: Aug 2007
Location: Jersey (north and south are 2 diff. states)
Posts: 2,349
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Quote:
Originally Posted by Cliff8928
Geez, there's 256 vaules, but 0 is included so it only goes to 255.
Oh, I have some pins and wire for the PCM connectors in the garage. The PCM is right above the kick panel on the drivers side.
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thats exactly what i was saying..........
__________________
Quote:
Originally Posted by adam337
whats with all the useless threads lately?..
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New project 1992 460 big block ford notchback mustang
Goal - Mid 11s all motor.
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