TurboJ wrote:As I said earlier I would post a log of this engine to help out.
Below is a scope log of cranking speed.
It is clear that the centre of the crank signal is not on the 0V line therefore a trigger offset of ~0.5V should be applied.Triggering off the rising edge is a must as a falling edge trigger would change the missing tooth length as the engine accelerates.
It is also clear that the centre of the cam signal is not on the 0V line either therefore a trigger offset of ~0.25V should be applied. Triggering off the falling edge is imposable as the tipping point could be up to 240degrees long! Only triggering off the rising edge will produce a consistence cam signal.
TurboJ wrote:Hope this helps everyone.
gross polluter wrote:I think he's confusing his 2ZZ engine for a 2JZ.
TurboJ wrote:gross polluter wrote:I think he's confusing his 2ZZ engine for a 2JZ.
Lol I'm so stupid and I even labelled my first sync log 2ZZ aswell. My mistake please edit/move to a new thread if need be. I reversed the crank and cam polarity and it still sits off the zero as I suspected it would. It's a box standard factory engine with no changes. Please find the reversed log below. I'm not running this engine on MSX because of the DbW but might fit throttle bodies with cable throttle in the future, so for now just going to help aid the flow of information while I can in case others try to use this engine without DbW.
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