ZYA2 K-Constant

European strategy specific for 2004 ford mustang euro spec but also modified by SVT and used on the 03/04 cobra. Can be used on all 2002-2004 mustang v8 and v6 manual and automatics. Supports automatic 4r70w control. Can be used on 2001-2004 ford F-150 4.6 / 5.4 ecu's if configured correctly as well.
bad86capri
Posts: 163
Joined: 2021 Feb 16, 10:09
Location: Knoxville, TN
Vehicle Information: 1986 Capri 306, Twisted Wedge heads, RPM II Intake, Anderson B3 cam, 80Lbs Siemens Injectors, MAC Longtube Headers, G-Force T5, Spec 6 Puck Clutch, Ford Racing Aluminum Driveshaft.

ZYA2 K-Constant

Unread post by bad86capri »

I noticed that the K-Constant in the ZYA2 bin is 24.265 instead of 30. Should this be changed or is it supposed to be different? Also should the FN072 Patch and the FN1360b patches be applied?
decipha
Posts: 4950
Joined: 2021 Feb 15, 12:23
Location: Metairie, LA
Vehicle Information: Work Truck
'19 F-150 3.3L

Re: ZYA2 K-Constant

Unread post by decipha »

Yeah that's the stock value.

It should be changed but when doing so all of the SP** parameters will need to be updated. The fuel write up has the specifics.

those patches are up to you the tuner to decide. Read my comments for each patch so you know what al it does.
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