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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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Gt 5.0: I have an 87 gt mustang that has been changed over

Customer Question

I have an 87 gt mustang that has been changed over to mass air. It has gt 40 heads gt 40 upper and lower intake a ford b cam it runs great but doesn't seem to know how to idle. Some times the idle is fine but when not will vary about 1500 rpms. My main question is can I install an a9l computer in place of the one in or any suggestions to what is causing the problem it has a 5 speed t5 transmission.
Doug XXX
Submitted: 2 years ago.
Category: Ford