ZR-1 Net Registry Forums - View Single Post - Removing Secondary Vacuum System questions.

DScott600 · 12-01-2009

I should have wrote this sooner but I deleted the secondaries shortly after I started this thread and I am very happy with the results. I purchased a chip from Mark, removed the entire secondary system except for the sensor under the ECM and wire tied and safety wired the secondaries open. I didn't notice any difference at low speed and Marks tune has improved the idle and gave it more power. In the future I plan on getting the injector housings and plenum ported and powder coated and while I have it all apart I will remove the throttle plates. It's so good to not have to worry about a secondary vacuum leak area under the plenum is much nicer looking without the rats nest of hoses. Thank you for all the advice.

12-01-2009	#9
DScott600 Join Date: Aug 2008 Location: LaFayette, GA Posts: 31	Re: Removing Secondary Vacuum System questions. I should have wrote this sooner but I deleted the secondaries shortly after I started this thread and I am very happy with the results. I purchased a chip from Mark, removed the entire secondary system except for the sensor under the ECM and wire tied and safety wired the secondaries open. I didn't notice any difference at low speed and Marks tune has improved the idle and gave it more power. In the future I plan on getting the injector housings and plenum ported and powder coated and while I have it all apart I will remove the throttle plates. It's so good to not have to worry about a secondary vacuum leak area under the plenum is much nicer looking without the rats nest of hoses. Thank you for all the advice.