camshaft/crankshaft trigger pattern
I am trying to go with the AEM computer, but they do not have a system for the cobalt ss. I have a 2007 lsj. does anyone know what the cam/crank trigger pattern is?
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crank/cam trigger pattern
the crank pattern is 6+1 and the cam trigger pattern is inevenly spaced.
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message TJolley, he installs AEM infinity on cobalts.
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how do I make a private message?
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https://www.cobaltss.net/forums/members/tjolley-58494/
Under his name there is a button that says send message. :cssNET: |
I got it already, I'm new to this forum, ive had my cobalt for a while, but I'm starting to do this where I need other people inputs and experiences
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the 6+1 trigger wheel is in the early l61 only. the lsj is a 60-2, and i believe the cam trigger is a 2-2-1-1 pattern, im just not sure of the clocking of the trigger wheels.
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all data said its 6+1 :(
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no one that I know of supports lsj setup why are you wanting to run a stand alone
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Flex fuel. Do you have a better idea on how to get flex fuel beside stand alone. I can’t think of any other way. |
e67 pcm and dig around on here and on the redline forums there is some info about using the stock pcm and such for flex fuel and hpt and swapping the tune works also
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Originally Posted by WRXSS_207
(Post 7690027)
all data said its 6+1 :(
i can tell you for a factthat the lsj crank trigger is 60-2, or 58x, whatever you prefer to call it. |
Does change that cam trigger pattern is uneven and still isn’t supported. I would have to run semi-sequential fueling, instead of sequential |
Doesn't really help your situation but for future ref this is gm's description
Crankshaft Reluctor Wheel The crankshaft reluctor wheel is part of the crankshaft. The reluctor wheel consists of 58 teeth and a reference gap. Each tooth on the reluctor wheel is spaced 6 degrees apart with a 12-degree space for the reference gap. The pulse from the reference gap is known as the sync pulse. The sync pulse is used to synchronize the coil firing sequence with the crankshaft position, while the other teeth provide cylinder location during a revolution. Camshaft Position (CMP) Sensor The camshaft position (CMP) sensor is triggered by a notched reluctor wheel driven by the camshaft. The CMP sensor provides four signal pulses every camshaft revolution. Each notch, or feature of the reluctor wheel is of a different size which is used to identify the compression stroke of each cylinder and to enable sequential fuel injection. The CMP sensor is connected to the PCM by the following circuits: •A 5-volt circuit •A low reference circuit •A signal circuit |
Originally Posted by WRXSS_207
(Post 7690098)
Does change that cam trigger pattern is uneven and still isn’t supported. I would have to run semi-sequential fueling, instead of sequential |
If I remember correctly, they mounted their own crank position trigger wheel to the outside of an ATI with an external/aftermarket sensor. As for the cam sensor, I'm not sure
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Originally Posted by 07blackg5
(Post 7690118)
If I remember correctly, they mounted their own crank position trigger wheel to the outside of an ATI with an external/aftermarket sensor. As for the cam sensor, I'm not sure
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Originally Posted by 07blackg5
(Post 7690118)
If I remember correctly, they mounted their own crank position trigger wheel to the outside of an ATI with an external/aftermarket sensor. As for the cam sensor, I'm not sure
They are currently using an external crank trigger wheel but last I talked to Trevor they are working on a cam trigger setup. That's been a while back so I don't know where they are at on it currently. I'm interested in the cam trigger setup as I would like to convert to standalone at some point too. |
with AEM trying to figure out a system, read trevors and AEMs conversation on a AEM forum. AEM needs to have demand, 50-100 people need to be interested in it PER YEAR. so I doubt anything will happen. and I private messenged trevor and haven't gotten anything back
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Originally Posted by WRXSS_207
(Post 7690182)
with AEM trying to figure out a system, read trevors and AEMs conversation on a AEM forum. AEM needs to have demand, 50-100 people need to be interested in it PER YEAR. so I doubt anything will happen. and I private messenged trevor and haven't gotten anything back
Try messaging him on facebook. |
Originally Posted by jdbaugh1
(Post 7690153)
They are currently using an external crank trigger wheel but last I talked to Trevor they are working on a cam trigger setup. That's been a while back so I don't know where they are at on it currently. I'm interested in the cam trigger setup as I would like to convert to standalone at some point too.
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I know someone is running the cam sensor housing on the intake cam with a mega squirt system
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Originally Posted by mrbelvedere
(Post 7690241)
I know someone is running the cam sensor housing on the intake cam with a mega squirt system
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im running an external 60-2 trigger on my l61 with a microtech ecm and it works just fine. it doesnt use a cam sensor, and runs in semi sequential mode. i honestly dont feel id be gaining much by going to a fully sequential system.
if your really wanting stand alone on an ecotec with full sequential injection, have a look at a megasquirt 3. it will do everything you can think of, aside from electronic throttle control. |
Originally Posted by WRXSS_207
(Post 7690242)
tjolley is |
Originally Posted by Sharkey
(Post 7690251)
im running an external 60-2 trigger on my l61 with a microtech ecm and it works just fine. it doesnt use a cam sensor, and runs in semi sequential mode. i honestly dont feel id be gaining much by going to a fully sequential system.
if your really wanting stand alone on an ecotec with full sequential injection, have a look at a megasquirt 3. it will do everything you can think of, aside from electronic throttle control. |
Originally Posted by mrbelvedere
(Post 7690254)
it's not jolley
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I think MrB is referring to Mike Roof, hes not on here that I know of.
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no real need for 2 ecms, if your tuning with hp tuners you can just have 2 different tunes and change the tunes back and forth. i think this would take less time than physically swapping the ecm.
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You cant tune the GMR pcm can you?
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the gmr pcm is not tunable
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