ThatDriftyR33 Posted August 21, 2023 Report Share Posted August 21, 2023 Hi everyone ! Got a small question regarding the wiring & setup of a Cam + Crank Trigger Kit. Me & my tuner are slightly confused. Using on an R33 GTST Spec 2 RB25 with a Plug-In NGTR G4X. Bought a Crank Trigger by MZR Garage (Crank Trigger Kit) which uses a 36-2 Trigger Disc with a reluctant/magnetic position sensor by Bosch. Wired it on the original ECU at Pin 42 as I have read on a different post that pin 42 or 52 can be used as to be the Crank Position Sensor 1° and then a simple ground. In the settings itself we have used (Trigger 1) : Trigger 1 Type : Reluctor Trigger 1 Filtering : Level 1 (Low) Trigger 1 Edge : Rising Tooth Count : 32 Number of missing teeth : 2 For the Cam, I have bought the one by NZ Wirimg (Cam Trigger Kit) using a 24-1 Trigger Disc and using OEM Wiring + Plug with a Bosch Reluctor Sensor aswell. As for settings we went for this Trigger 2 : Trigger 2 Type : Reluctor Trigger 2 Filtering : Level 1 (Low) Trigger 2 Edge : Rising Sync Mode : Cam Pulse 1x When cranking we do get an RPM signal but only about 90rpm, which normally should be around 200. Is there a setting that we might have missed or incorrectly setted up? We will look tomorrow correctly with oscilloscope to see if both sensors a working correctly as we are having the idea that we are only getting an rpm signal from the Cam sensor. We used this post as a base and adapted to our parts. https://forums.linkecu.com/topic/6382-ross-trigger-kit-rb26/ Any help would be greatly appreciated. Quote Link to comment Share on other sites More sharing options...
Vaughan Posted August 21, 2023 Report Share Posted August 21, 2023 Trigger 1 tooth count should be 36. Trigger 1 Edge setting shouldn't be visible it type is set to reluctor. Using a 24-1 disk on the cam will not provide a proper sync signal, you want a single tooth on the cam when using cam pulse mode. Also not a bad idea to provide a trigger scope so that the polarity of the reluctor triggers can be checked. Quote Link to comment Share on other sites More sharing options...
ThatDriftyR33 Posted August 21, 2023 Author Report Share Posted August 21, 2023 1 minute ago, Vaughan said: Trigger 1 tooth count should be 36. Trigger 1 Edge setting shouldn't be visible it type is set to reluctor. Using a 24-1 disk on the cam will not provide a proper sync signal, you want a single tooth on the cam when using cam pulse mode. Also not a bad idea to provide a trigger scope so that the polarity of the reluctor triggers can be checked. Tooth count is 36, my mistake while typing the post. As for the cam, you recommend changing the Cam Trigger Kit to something with a single tooth like this? Should be able to provide you a trigger scope picture tomorrow. Quote Link to comment Share on other sites More sharing options...
Vaughan Posted August 21, 2023 Report Share Posted August 21, 2023 4 minutes ago, ThatDriftyR33 said: As for the cam, you recommend changing the Cam Trigger Kit to something with a single tooth like this? yes Quote Link to comment Share on other sites More sharing options...
ThatDriftyR33 Posted August 22, 2023 Author Report Share Posted August 22, 2023 12 hours ago, Vaughan said: yes Thank you for your help. As for Wiring & Setup, was the rest correct? Quote Link to comment Share on other sites More sharing options...
Adamw Posted August 22, 2023 Report Share Posted August 22, 2023 The rest sounds correct. You could possibly get the NZ Wiring cam trigger to work as a sync by grinding off all teeth except 1 if you already own it. Quote Link to comment Share on other sites More sharing options...
ThatDriftyR33 Posted August 22, 2023 Author Report Share Posted August 22, 2023 8 minutes ago, Adamw said: The rest sounds correct. You could possibly get the NZ Wiring cam trigger to work as a sync by grinding off all teeth except 1 if you already own it. Thanks Adam. I'm slightly scarred of grinding the Teeth out. I'm scared that the remaining tooth might not become on sync with the Crank Triggering. Or should I grind out all the teeth except the last before the "gap" arrives? So both gaps are on sync? Quote Link to comment Share on other sites More sharing options...
ThatDriftyR33 Posted August 22, 2023 Author Report Share Posted August 22, 2023 So you'd simply leave either Tooth 1 or Tooth 2 here in the attached pic? Logically the one after the Gap, so both gaps are synced together and the ECU picks and syncs up the first tooth after the Gap? Quote Link to comment Share on other sites More sharing options...
Adamw Posted August 22, 2023 Report Share Posted August 22, 2023 Which tooth you leave doesnt matter. All the ecu needs to see is a single tooth per cam rev, it doesnt care where. Quote Link to comment Share on other sites More sharing options...
ThatDriftyR33 Posted August 22, 2023 Author Report Share Posted August 22, 2023 54 minutes ago, Adamw said: Which tooth you leave doesnt matter. All the ecu needs to see is a single tooth per cam rev, it doesnt care where. Thank you for your help Adam. Will keep this post updated incase everything was solved. Quote Link to comment Share on other sites More sharing options...
AbbeyMS Posted August 25, 2023 Report Share Posted August 25, 2023 wanting to use this as a reference trigger, yes just grind the teeth to look like this, we use this set up and work all good Quote Link to comment Share on other sites More sharing options...
ThatDriftyR33 Posted August 26, 2023 Author Report Share Posted August 26, 2023 On 8/25/2023 at 8:51 AM, AbbeyMS said: wanting to use this as a reference trigger, yes just grind the teeth to look like this, we use this set up and work all good Pretty much what we are going to do now. Thanks a lot ! Will keep you guys updated on progress. Quote Link to comment Share on other sites More sharing options...
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