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Vette73 · 08-13-2016

if it's sll stock the car should idle around 650-700 in neutral..If it searches, than maybe there could be vacuum leaks under the plenum....If the car is otherwise really clean, I wouldn't let it bother you...Removing the plenum ( which is something that every ZR-1 owner should know how to do at least once) is not that difficult..Remember, your plug wires,starter,some vacuum lines and coil packs are underneath the plenum..

08-13-2016	#8
Vette73 Join Date: Nov 2014 Location: Brooklyn ny Posts: 1,044	Re: potential ZR1 purchase if it's sll stock the car should idle around 650-700 in neutral..If it searches, than maybe there could be vacuum leaks under the plenum....If the car is otherwise really clean, I wouldn't let it bother you...Removing the plenum ( which is something that every ZR-1 owner should know how to do at least once) is not that difficult..Remember, your plug wires,starter,some vacuum lines and coil packs are underneath the plenum..