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2007-11-14 20:47:57 (1 year 7 weeks 6 days 3 hours 29 minutes 28 seconds) #179746 | | view posts since this          #1 

gurov
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gennady gurov

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QR crank angle + cam angle sensor

so i've never seen this diagram in b15 manual, it's in 2007+ QR fsm. posting it here for filing and archiving (and for shoving it into manufacturer's faces when you ask them if their product will work on our cars)

http://myspecv.com/crank-signal.png

notice how there are 4 triggers in the 720 degree rotation, and the cam shaft signal represents the cylinder about to fire (i THINK, this is fairly confusing)


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2007-11-26 16:12:22 (1 year 6 weeks 1 day 8 hours 5 minutes 3 seconds) #250805 | | view posts since this          #2 

16g-95gsx
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Re: QR crank angle + cam angle sensor

Thank you for posting this, this is actually exactly what Ive been trying to find for exactly what you described.

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2007-11-26 16:20:42 (1 year 6 weeks 1 day 7 hours 56 minutes 43 seconds) #250818 | | view posts since this          #3 

wperdigon
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Re: QR crank angle + cam angle sensor

hmm - this looks right

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2007-11-26 16:21:22 (1 year 6 weeks 1 day 7 hours 56 minutes 3 seconds) #250820 | | view posts since this          #4 

wperdigon
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Re: QR crank angle + cam angle sensor

now the trick is working on findnign at what variable to control the cam phasing

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2007-11-26 19:07:25 (1 year 6 weeks 1 day 5 hours 10 minutes) #250946 | | view posts since this          #5 

16g-95gsx
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Re: QR crank angle + cam angle sensor

wperdigon wrote:

now the trick is working on findnign at what variable to control the cam phasing

Not sure what you are saying here.  Are you asking what changes the cam phasing?

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2007-11-29 15:41:52 (1 year 5 weeks 5 days 8 hours 35 minutes 33 seconds) #253103 | | view posts since this          #6 

gurov
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gennady gurov

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Re: QR crank angle + cam angle sensor

wperdigon wrote:

now the trick is working on findnign at what variable to control the cam phasing

there's probably an internal variable that is "intake cam is X degrees"

then there's a map that's "maf v vs rpm vs throttle" or something like that that says "cam should be X avanced

then there's always the adjustment of if it's this advanced, advance it This much to get to target.


you'd really have to take over the solenoid to be able to control it

hope this makes seome sense.


http://gurov.us/sig1.png
04 turbo @ 14 psi -
MegaSquirt-I standalone - unit #0 (fuel only mode), gsquirt board v1.0, Pivot 3 Drive Throttle Controller,
J&S UltraSafeguard individual cylinder knock suppression system, Autosport Wiring Engine Harness
660cc msd injectors, 255 walbro fuel pump, JGY fuel rail,  t3/t4 57trim, Coolingmist Varicool Progressive Alky controller,
Shurtank with 150psi alky pump.

05 automatic se-r: upcoming turbo project
04 BMW 325xi - daily driver

Online

 

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