Recent content by tequilaboy

Here's another option that would be well suited for a Callaway (or any other high hp 86-89 L98 with MAF): Instead of just buying a replacement MAF sensor, you could convert to a modern slot-style MAF sensor and housing that offers increased measurement range. With an accompanying ecm tune and...

From your other posts, it is not clear to me which mask you are using, $32, $32B or $6E. For the 1986 $32 Mask: The address for the gallons/hr display constant is: 70C. For the 1987-88 $32B Mask: The address for the gallons/hr display constant is: 712 For the 1989 $6E Mask (as already...

The ecm activates the O/D by providing ground to the O/D relay pin B. A manual switch would simply need to ground pin B for activation and to open the circuit between pin B and ground in order to deactivate. This applies to 86, but its close enough to describe how the circuits work...

I responded to your earlier posts on one of the other forums. Since you car's behavior doesn't fit into the normal patterns. I'm really curious as to what could be wrong. What we know: Erratic behavior No response from shifter switch Both conditions cannot be explained by a single failure...