link_user Posted March 22, 2022 Report Share Posted March 22, 2022 Installing a G4+ Xtreme on an Audi 4.2 V8 with all 4 VVT cams. I can not find any information on Audi V8 VVT mode that is available in the VVT menu in the PC link software. Can somebody confirm if this VVT mode supports all 4 cams with VVT. Cam trigger has 2 long and 2 short teeth as many other VW/AUDI cam triggers. Quote Link to comment Share on other sites More sharing options...
Adamw Posted March 22, 2022 Report Share Posted March 22, 2022 I think the Audi V8 VVT mode is only set up for 2 intake cams. You should be able to use Holden v6 vvt mode which does 4 cams with the same pattern on the trigger wheels. Worst case would be the User Defined VVT mode will do it, but more manual set up is required. LH Intake sensor to trig 2, RH intake to DI1, LH Exhaust to DI2, RH exhaust to DI3. Pull-ups on, falling edge. VVT solenoids connected to Aux 1-4. Quote Link to comment Share on other sites More sharing options...
link_user Posted March 23, 2022 Author Report Share Posted March 23, 2022 Thank you for the advice. Especially where to connect the cam signals. Quote Link to comment Share on other sites More sharing options...
PRO32 Posted January 30 Report Share Posted January 30 Hi Link_user Would you have a base map for this engine? Have one going in a WRX Happy to make a donation for your time. Quote Link to comment Share on other sites More sharing options...
Hurtenstein Posted January 30 Report Share Posted January 30 On 3/23/2022 at 5:14 AM, Adamw said: I think the Audi V8 VVT mode is only set up for 2 intake cams. You should be able to use Holden v6 vvt mode which does 4 cams with the same pattern on the trigger wheels. Worst case would be the User Defined VVT mode will do it, but more manual set up is required. LH Intake sensor to trig 2, RH intake to DI1, LH Exhaust to DI2, RH exhaust to DI3. Pull-ups on, falling edge. VVT solenoids connected to Aux 1-4. The old 40V were just VVT on the intake. I was trying to nut out the Audi drawings and wasn't sure. I can't find any input that refers to "Cam trigger", but there are two called "cam position" as shown below. I was thinking that the "cam position" would just be for the ECU to know advance/retard position, but does it also use it as a trigger? Quote Link to comment Share on other sites More sharing options...
Adamw Posted January 31 Report Share Posted January 31 One of them will be used for both sync (trigger) and vvt, the other just VVT only. Connect the left-hand cam sensor to trigger 2 as mentioned earlier. Hurtenstein 1 Quote Link to comment Share on other sites More sharing options...
Hurtenstein Posted January 31 Report Share Posted January 31 Perfect, will do. Thanks. Quote Link to comment Share on other sites More sharing options...
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