I have a 99 VTV6 ecotec manual with the following modifications; extractors/exhaust, stage 4 memcal, which way rockers, Throttle body and 81 degree thermostat. However the car is still not responsive or direct. It gradually gets going in time? Please advi
Posted by MACE Support on 30 April 2018 09:23 AM
Congratulations on the little girl. Regarding the car not being responsive or direct, have checked the car for any error codes, also check the coils, leads and spark plugs.Did this car start doing after any particular upgrade?What are you current list of upgrades?Does the car behave this way when the factory memcal ins installed?Also check for vacuum leaks.In regards to performance upgrades, please check out the link below

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