bastarddsm
20+ Year Contributor
- 5,641
- 1,475
- Aug 26, 2003
-
Mendota,
Illinois
I know why and I've said it many many times. The duration and phase of the cam signal is different. I don't have a 2g cas to look at, but you can look at the plots on RRE's page and count the hash marks. They are different remember that each hash is 50ms, (.050s) and the ecu knows whats going on down to a fraction of a microsecond on the order of (.00000006s) The ecu can tell there is a difference.
Here's what I can show you, a 97 Galant CAS diagram, and a 1G cas diagram. It's not a 2g dsm, but I'd imagine it's close enough. If you can't tell the difference, I can't help you. I'd get the one for the 2g's but I don't have a tech manual handy and all the links I can find are for scribd.
BPK, I think you are getting caught up by the injector signals. Don't pay any attention to those as we don't use them to generate Cam/crank signals. Also you need to pay attention to the entire length of the pulse. Looking at only the leading edge tells only half the story. I'm 99% sure we don't anything with the rising edge. The ecu listens for it to be high in a certain window.
I still stand by my original statement. If you run the kiggly trigger you can use what ever, but it would be better if you ran the correct cam signal for your ecu.
Obviously they do make an impact or we would have options like "invert cas" or "disable random misfire"
As far as showing why, I have. I don't know what more you want from me. The start and end of each "high" in the cam signal is different for all 3.
Here's what I can show you, a 97 Galant CAS diagram, and a 1G cas diagram. It's not a 2g dsm, but I'd imagine it's close enough. If you can't tell the difference, I can't help you. I'd get the one for the 2g's but I don't have a tech manual handy and all the links I can find are for scribd.
BPK, I think you are getting caught up by the injector signals. Don't pay any attention to those as we don't use them to generate Cam/crank signals. Also you need to pay attention to the entire length of the pulse. Looking at only the leading edge tells only half the story. I'm 99% sure we don't anything with the rising edge. The ecu listens for it to be high in a certain window.
I still stand by my original statement. If you run the kiggly trigger you can use what ever, but it would be better if you ran the correct cam signal for your ecu.
How about insinuate.
Not buying it. This has been going on for years, if the signals are different enough, they'd make an impact and the DSM world would be all over it. Surely you aren't the only wizard. The signals are different, but you don't know why. You just keep saying they are and should use the correct sensor. I can agree. However, if I was as knowledable, I'd have it figured out. You could make a huge difference but no, you just settle on *they're different, so use correct sensor*.
Obviously they do make an impact or we would have options like "invert cas" or "disable random misfire"
As far as showing why, I have. I don't know what more you want from me. The start and end of each "high" in the cam signal is different for all 3.
Attachments
Last edited by a moderator: