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Paul Workman · 07-05-2010

As mentioned, Marc Haibeck's calibration upgrade for the 90 ZR-1 includes better heat control by way of operating the fans to both come on at 205* and turn off at 200*. I can tell ya it makes a world of difference - not just the fan operation, but the entire calibration package really improves overall drivability (IMO).

P.

07-05-2010	#3
Paul Workman Join Date: Nov 2007 Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri Posts: 6,466	Controlled by the ECM... As mentioned, Marc Haibeck's calibration upgrade for the 90 ZR-1 includes better heat control by way of operating the fans to both come on at 205* and turn off at 200. I can tell ya it makes a world of difference - not just the fan operation, but the entire calibration package really improves overall drivability (IMO). P. Last edited by Paul Workman; 07-05-2010 at 07:31 AM.*