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Does anyone know of a manufacter of headers that will fit a 87 grand national? I found these from advance adaptors, but I believe they are for the older Fireball engines. https://www.advanceadapters.com/5745 I also found these, but I think its the same deal. The gaskets for odd fire and...

I am looking at using FWD pan fit my 87 20 bolt turbo engine. I am swapping it into a custom application and it would be so much easier if it were front sump. Looking on summit the pan gasket is the same for the 87 olds tornado (also 20 bolt), and the FWD oil pan/pickup is a full length sump. I...

I have an 87 GN powertrain that I am using with the GN 2004r in a swap. I know the Cluster provides the speed signal to the ECM. Do I need the signal? Not sure if its required for TCC lockup. I do not have/ need cruise control. Is this what I need to get the correct signal to the ECM...

Using a factory harness for a hybrid swap. I have about 95% figured out and labeled, but a few stumping me. Any help is appreciated. Chiltons with the wiring diagram is enroute. White connecter is inside the firewall. Other connectors are about 1 foot to the passenger side from the engine...