I'd start with your fans. Verified there blowing the correct direction and not reversed? SD7 has lower output than the 508, which is one of the reasons accessory drives have the overdriven crank pulley. Ive never experienced that issue with VA before. My only other thought is you have the blend door not programmed correctly. There is also 2 ECU's, one for factory air car and one for non air car. Have you verified you have the correct ECu for the installation? I know some people have had some issues, but Ive installed dozens and I think I only ran across one bad ECU.
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Mike Redpath
Musclerodz & Customz
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Last edited by Musclerodz; 07-31-2021 at 09:42 PM.
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